ASHIKAGA Tadashi 足利正

… Alternative Names

足利正アシカガタダシ

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Researcher Number	90125203
Other IDs
External Links
Affiliation (Current)	2023: 東北学院大学, 工学総合研究所, 客員教授
Affiliation (based on the past Project Information) *help	2000 – 2019: 東北学院大学, 工学部, 教授 2001: 東北学院大学, 工学科, 教授 1996: 東北学院大学, 工学部, 助教授 1993 – 1994: 東北学院大学, 工学部, 助教授 1991: 東北学院大学, 工学部, 助教授
Review Section/Research Field	Principal Investigator Algebra / Algebra Except Principal Investigator Geometry / Algebra / Geometry / Basic analysis / Algebra / 代数学・幾何学
Keywords	Principal Investigator 符号数 / モノドロミー / 退化 / 特異点 / 局所化 / モジュライ / モジュライ空間 / 代数曲線 / 代数曲面 / 連分数 … More / デデキンド和 / 安定還元 / ファイバー空間 / リーマン面 / Dedekind和 / Monodromy / Signature / 安定環元 / monodromy / degeneration / atomic fiber / Horikawa index / 曲線束 / オービフォールド / 商特異点 / 局所不変量 / 特異ファイバー / トーリック幾何 / 複素曲面 / Horikawa指数 / 曲線族 / 原子ファイバー / 超楕円曲線 / 巡回被覆 / 幾何種数 / 指標 / 一般型曲線 / 自己同型 / 特性類 / 写像空間 / タイヒミューラー空間 / 倉西空間 / 堀川指数 / 一般型曲面 / Moduli / Stable roduction / Dedekind sum / Degenerate family / Algebraic curve / Lefschetz固定点公式 / 行列式束 / 退化族 / Fixed point theorem / Pedeking Sum / Stable reduction / Families of algebraic carves / Localization / Degeneration / 局所集中性 / 同変指数定理 / デデキント和 / 半安定環元 / 局所符号数 / 不動点定理 / 代数曲線族 / semi-stable reduction / hyperlliptic curre / signature / family of curves / morsification / stable curve / modali map / splitting family / Morsification / 半安定還元 / モース化 / 符号不足数 / 双有理変換 / orbifold / Todd class / Fourier-Dedekind sum / continued fraction / toric resolution / singularity / 安定曲線 / トーリック写像 / 相互律 / オービフォルド / エータ不変量 / ファイバー芽 / モジュライ写像 / 局所変形 / モノドロミ- / 分岐写像 / ミルナ-数 / ミルナ-束 / ニュートン多面体 / ミルナー数 / 標準解消 … More Except Principal Investigator リーマン面 / モノドロミー / タイヒミュラー空間 / コンパクト化 / モジュライ空間 / 特異点 / Riemann surface / 退化 / 特異ファイバー / 代数曲線束 / 写像類群 / 符号数 / 局所符号数 / 不変量 / Legendrian knot / Mordell-Weil lattice / ガロア被覆 / monodromy / モーデル・ヴェイユ格子 / 局所不変量 / Lefschetz fibration / 対数的混合ホッジ構造 / 堀川指数 / モジュライ / ホッジ理論 / 国際研究者交流 / 基本群 / オービフォールド / 4次元多様体 / カラビ・ヤウ多様体 / K3曲面 / 代数曲面 / 代数曲線 / カーブ複体 / ４次元多様体 / 結晶群 / ドリーニュ・マンフォードコンパクト化 / 曲面特異点 / 高次被覆 / フランス:ドイツ:ベトナム:ブラジル / フランス:ドイツ:ブラジル / 特性類 / 特異Lefschetz束 / 特異点解消 / 特異性類 / 同境 / ブラジル：フランス / 配置空間 / 実多項式写像芽 / 構造安定性 / 可微分写像 / データ可視化 / 同境群 / はめ込み / 埋め込み / 特異点消去 / 多項式写像芽 / strong trivial / Dedekind sum / link / Seifert fiberd space / covering space / knot / 被膜空間 / 多様体 / 結び目理論 / マルコフ同値 / strong triviality / Dedekind 和 / 組み紐 / ザイフェルトファイバー空間 / 被覆空間 / 結び目 / Zanski pair / Galois point / branched covering / local signature / Pencil of algebraic curves / 超特異K3局面 / fibration / 有理曲面 / endomorphism / 標準線形系 / ガロワ点 / スロープ / 標準サイクル / ザリスキー対 / ガロア点 / 分岐被覆 / signature / 4-manifolds / フラックス予想 / シンプレクティック幾何 / 初等手術理論 / チャート理論 / 正則ファイバー空間 / レフシェツ・ファイバー空間 / Diophantine problem / function field / Teichmuller space / mapping class group / holomorphic family / 普遍被覆空間 / 普遍被覆面 / ディオファントス問題 / 関数体 / 正則族 / Differential equations / Polydiscs / Symmetric groups / Dihedral groups / projective plane / fundamental groups / Galois coverings / Zariski pair / 不正則数 / 射影空間 / 微分方程式 / 多重円盤 / 対称群 / 二面体群 / 射影平面 / splitting / singular fiber / degeneration / Riemann surfaces / 擬周期写像 / 同伴不等式 / カンドル / 大域モノドロミー / Seiberg-witten方程式 / 分裂変形 / クアンドル / 大域的モノドロミー / 分裂 / オービフォールド特性類 / Zariski対 / 退化族 / 代数学 / 自己同型群 / 原始的双有理変換 / 楕円曲面 / 自己同型 / Lefschetz pencils / Lefschetz fibrations / Kodaira dimension / geography / fibered complex surface / pseudoholomorphic curve / symplectic manifold / Lefschetz pencil / Ｋｏｄａｉｒａ　ｄｉｍｅｎｓｉｏｎ / Ｇｒｏｍｏｖ　ｉｎｖａｒｉａｎｔ / ｐｓｅｕｄｏｈｏｌｏｍｏｒｐｈｉｃ　ｃｕｒｖｅ / ｇｅｏｇｒａｐｈｙ / ｓｙｍｐｌｅｃｔｉｃ　ｔｏｐｏｌｏｇｙ / Ｌｅｆｓｃｈｅｔｚ　ｐｅｎｃｉｌ / Ｌｅｆｓｃｈｅｔｚ　ｆｉｂｒａｔｉｏｎ / 鏡対称性 / 一般多様体 / ログ幾何学 / デデキント和 / スロープ不等式 / 対数的幾何学 / 対数的ホッジ理論 / 算術的コーエン・マコーレー束 / ツイスター空間 / Orbifold 特性類 / 非特殊線形系 / 安定性 / ルート系 / 双エルミート構造 / ２次元正規特異点 / slope 安定束 / 加藤曲面 / 基本図式 / ホッジ構造 / log geometry / 対数的混合ホッジ理論 / ミラー対称性 / ネロンモデル / 混合版基本図式 / 混合対数的ホッジ構造 / 周期写像 / くりこみ / ベキ変形,close-to-convex / 正則運動 / Martin境界 / リーマン面の退化 / 多国籍 / 国際情報交換 / 複素解析 / 複素力学系 / Klein群 / Alexander多項式 / Polar作用 / Milnor fibration / radially weighted / polar weihted / トム不等式 / 混合射影曲線 / ミルナー束 / 極擬斉次多項式 / 混合特異点 / contact structure / symplextic structure / polar degree / mixed function / polar weighted / Milnor fibrattion / 特異ファイバーの分裂 / 普遍退化族 / グルポイド / 位相幾何学 / BorcherdsΦ関数 / 楕円j関数 / Kummer 曲面 / BorcherdsΦ-関数 / 楕円モジュラー関数 / 保型形式 / Borcherds積 / Calabi-Yau多様体 / チョウラ・セルバーグ公式 / トマエ公式 / ボルチャーズφ関数 / ガウス写像 / 半安定還元 / 中野半正ベクトル束 / 解析的捩率 / 複素解析幾何 / 代数多様本 / モティーフ / トーリック / 代数群 / モチーフ / 代数多様体 / 循環商特異点 / 凸多面体 / 扇 / トーリック多様体 / 特殊一次系 / 標準環 / ニュ-トン図形 / ト-リック特異点 / ト-リック多様体 / 整凸多面体 Less

Studies on invariants of fibrations of curves and multidimensional continued fractions related to singularitiesPrincipal Investigator
- Principal Investigator
  
  Ashikaga Tadashi
- Project Period (FY)
  2016 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Tohoku Gakuin University
Studies of the geography of fibrations of algebraic curves from the theory of higher degree coverings and muduli spaces
- Principal Investigator
  
  Ishida Hirotaka
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Ube National College of Technology
Riemann surfaces and low dimensional manifolds
- Principal Investigator
  
  Matsumoto Yukio
- Project Period (FY)
  2014 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Gakushuin University
Studies of fibred complex surfaces from diversified perspectives
- Principal Investigator
  
  Konno Kazuhiro
- Project Period (FY)
  2012 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Algebra
- Research Institution
  Osaka University
Application of orbifold signature to singularities and singular fibersPrincipal Investigator
- Principal Investigator
  
  Ashikaga Tadashi
- Project Period (FY)
  2012 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Tohoku Gakuin University
Theory of mixed log Hodge structures and its applications
- Principal Investigator
  
  USUI Sampei
- Project Period (FY)
  2011 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Osaka University
A study of 4-dimensional manifolds from the symplectic-topological viewpoint and the algebraic-geometrical viewpoint
- Principal Investigator
  
  SATO Yoshihisa
- Project Period (FY)
  2011 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Kyushu Institute of Technology
New developments of singularity theory of mappings
- Principal Investigator
  
  SAEKI OSAMU
- Project Period (FY)
  2011 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  Kyushu University
Analysis of degenerations and singularities of Kleinian groups and complex dynamics
- Principal Investigator
  
  SHIGA Hiroshige
- Project Period (FY)
  2010 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Basic analysis
- Research Institution
  Tokyo Institute of Technology
Signature divisor on the moduli of curves, signature defect and its applicationsPrincipal Investigator
- Principal Investigator
  
  ASHIKAGA Tadshi
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Tohoku Gakuin University
4-MANIFOLDS AND RIEMANN SURFACES
- Principal Investigator
  
  MATSUMOTO Yukio
- Project Period (FY)
  2008 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Gakushuin University
Research on the geometry of the projective hypersutfaces and plane curves
- Principal Investigator
  
  OKA Mutsuo
- Project Period (FY)
  2008 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tokyo University of Science
Extensions and applications of the theory of toric varieties
- Principal Investigator
  
  ISHIDA Masanori
- Project Period (FY)
  2007 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Tohoku University
Analytic torsion and geometry of moduli spaces
- Principal Investigator
  
  YOSHIKAWA Kenichi
- Project Period (FY)
  2007 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Kyoto University
  The University of Tokyo
Studies on local invariants of degeneration of algebraic curves via moduli map and monodromyPrincipal Investigator
- Principal Investigator
  
  ASHIKAGA Tadashi
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Tohoku Gakuin University
Study of Knot theory from Geometric Structure
- Principal Investigator
  
  UCHIDA Yoshiaki
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Yamagata University
Geometry and topology of 4-manifolds
- Principal Investigator
  
  MATSUMOTO Yukio
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  University of Tokyo
Various aspects of pencils of algebraic curves
- Principal Investigator
  
  KONNO Kazuhiro
- Project Period (FY)
  2004 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Osaka University
Study of modulimap of degenerate families of algebraic curves and local signature arizing from automorphic formPrincipal Investigator
- Principal Investigator
  
  ASHIKAGA Tadashi
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Tohoku-Gakuin University
Study on Diophantine problem over function fields and Teichmuller spaces
- Principal Investigator
  
  IMAYOSHI Yoichi
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Basic analysis
- Research Institution
  Osaka City University
Studis on local signature and monodromy of degenerate families of algebraic carvesPrincipal Investigator
- Principal Investigator
  
  ASHIKAGA Tadashi
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Tohoku-Gakuin University
特異代数曲線の標準環と特殊一次系
- Principal Investigator
  
  KONNO Kazuhiro
- Project Period (FY)
  2000 – 2002
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  Algebra
- Research Institution
  Osaka University
Topological Study on the Degeneration Phenomena of Riemann Surfaces
- Principal Investigator
  
  MATSUMOTO Yukio
- Project Period (FY)
  2000 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  The University of Tokyo
Research for Morse theory and module maps of degenerate familios of curvesPrincipal Investigator
- Principal Investigator
  
  ASHIKAGA Tadashi
- Project Period (FY)
  2000 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Tohoku-Gakuin University
The structure of Galois covering spaces of the protective plane
- Principal Investigator
  
  TSUCHIHASHI Hiroyasu
- Project Period (FY)
  2000 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tohoku Gakuin University
代数曲面の特異点の局所的研究とその大域的応用Principal Investigator
- Principal Investigator
  
  足利正
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Tohoku Gakuin University
特異代数曲面のプリュッカー型公式の探求とその応用Principal Investigator
- Principal Investigator
  
  足利正
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Tohoku Gakuin University
二次元孤立特異点の不変量の解析とその代数曲面論への応用Principal Investigator
- Principal Investigator
  
  足利正
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Tohoku Gakuin University
整凸多面体とト-リック多様体の部分多様体上の特異点
- Principal Investigator
  
  TSUCHIHASHI Hiroyasu
- Project Period (FY)
  1991
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  代数学・幾何学
- Research Institution
  Tohoku Gakuin University

[Journal Article] Multidimensional continued fractions for cyclic quotient singularities and Dedekind sums2019
- Author(s)
  Tadashi Ashikaga
- Journal Title
  
  Kyoto Journal of Mathematics
  
  Volume: 59 Issue: 4
- DOI
  10.1215/21562261-2019-0032
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K05104
[Journal Article] Multi-dimensional continued fractions for cyclic quotient singularities and Dedekind sums2019
- Author(s)
  Tadashi Ashikaga
- Journal Title
  
  Kyoto J. Math.
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K05104
[Journal Article] Multi-dimensional continued fractions for cyclic quotient singularities and Dedekind sums2018
- Author(s)
  T. Ashikaga
- Journal Title
  
  to appear in Kyoto J. Math.
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K05104
[Journal Article] Toric modifications of cyclic orbifolds and extended Zagier reciprocity foe Dedekind sums2015
- Author(s)
  Tadashi Ashikaga
- Journal Title
  
  Tohoku Mathematical Journal
  
  Volume: 67 Pages: 323-347
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-24244002
[Journal Article] Toric modifications of cyclic orbifolds and an extended Zagier reciprocity for Dedekind sums2015
- Author(s)
  T.Ashikaga
- Journal Title
  
  Tohoku Mathematical Journal
  
  Volume: 67
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24540048
[Journal Article] Toric modifications of cyclic orbifolds and an extended Dedekind sums2015
- Author(s)
  T.Ashikaga
- Journal Title
  
  Tohoku Math. J.
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340028
[Journal Article] Toric modifications of cyclic orbifolds and extended Zagier reciprocity for Dedekind sums2015
- Author(s)
  Ashikaga, Tadashi
- Journal Title
  
  Tohoku Mathematical Journal
  
  Volume: 67 Pages: 323-347
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23340008
[Journal Article] Dedekind 和に関する Zagier 相互律の幾何的拡張2012
- Author(s)
  足利　正
- Journal Title
  
  研究集会「リーマン面に関連する位相幾何学」予稿集
  
  Pages: 12-21
- Data Source
  KAKENHI-PROJECT-23540096
[Journal Article] Local signature defect of fibered complex surfaces via moduli and monodromy2010
- Author(s)
  T.Ashikaga
- Journal Title
  
  Demonstratin Math.
  
  Volume: XLIII Pages: 263-276
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540047
[Journal Article] Local signature defect of fibered complex surfaces via monodromy and stable reduction2010
- Author(s)
  T. Ashikaga
- Journal Title
  
  Comment. Math. Helv
  
  Volume: 85 Pages: 417-461
- Data Source
  KAKENHI-PROJECT-20340014
[Journal Article] Local signature defect of fibered complex surfaces via monodromy and stable reduction2010
- Author(s)
  Ashikaga, T
- Journal Title
  
  Comment. Math. Helv
  
  Volume: 85 Pages: 417-461
- Data Source
  KAKENHI-PROJECT-20540094
[Journal Article] Local signature defect of fibered complex surfaces via monodromy and stable reduction2010
- Author(s)
  T.Ashikaga
- Journal Title
  
  Comment.Math.Helv
  
  Volume: 85 Pages: 417-461
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340028
[Journal Article] Local signature defect of fibered complex surfaces via monodromy and stable reduction2010
- Author(s)
  T.Ashikaga
- Journal Title
  
  Comment.Math.Helv.
  
  Volume: 85 Pages: 417-461
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540047
[Journal Article] Local signature defect of fibered complex surfaces via monodromy and stable reduction2010
- Author(s)
  T.Ashikaga
- Journal Title
  
  Comment.Math.Helv. 85
  
  Pages: 417-461
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340014
[Journal Article] Local signature defect of fibered complex surfaces via monodromy and stable reduction2010
- Author(s)
  T. Ashikaga
- Journal Title
  
  Comment. Math. Helv. 85
  
  Pages: 417-461
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340001
[Journal Article] Local signature defect of fibered complex surfaces via monodromy and stable reduction2010
- Author(s)
  T.Ashikaga
- Journal Title
  
  Comment.Math.Hely. 85
  
  Pages: 417-461
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340014
[Journal Article] Local signature defect of fibered complex surfaces via moduli and monodromy2010
- Author(s)
  T. Ashikaga
- Journal Title
  
  Demonstratio Math. XLIII
  
  Pages: 263-279
- Data Source
  KAKENHI-PROJECT-20340014
[Journal Article] Local signature defect of fibered complex surfaces via moduli andmonodromy2010
- Author(s)
  Ashikaga, T
- Journal Title
  
  Demonstratio Math
  
  Volume: Vol.XLIII Pages: 263-276
- Data Source
  KAKENHI-PROJECT-20540094
[Journal Article] Local signature defect of fibered complex surfaces via monodromy and stable reduction2010
- Author(s)
  T. Ashikaga
- Journal Title
  
  Comment. Math. Helv.
  
  Volume: 85 Pages: 417-461
- Data Source
  KAKENHI-PROJECT-21540047
[Journal Article] Local signature defect of fibered complex surfaces via monodromy and stable reduction2010
- Author(s)
  T. Ashikaga
- Journal Title
  
  Comment. Math. Helv.
  
  Volume: 85 Pages: 417-461
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340001
[Journal Article] Local signature defect of fibered complex surfaces via monodromy and stable reduction2010
- Author(s)
  Ashikaga, T.
- Journal Title
  
  Comment.Math.Helv. 85
  
  Pages: 417-461
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540094
[Journal Article] Local signature defect of fibered complex surfaces via moduli and monodromy2010
- Author(s)
  T.Ashikaga
- Journal Title
  
  Demonstratio Math.
  
  Volume: 43 Pages: 263-276
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340028
[Journal Article] Local signature defect of fibered complex surfaces via monodromy and stable reduction2010
- Author(s)
  T.Ashikaga
- Journal Title
  
  Comment.Math.Helv. 85
  
  Pages: 417-461
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540047
[Journal Article] Local signature defect of fibered complex surfaces via moduli and monodromy2010
- Author(s)
  T. Ashikaga
- Journal Title
  
  Demonstratio Math
  
  Volume: XLIII Pages: 263-276
- Data Source
  KAKENHI-PROJECT-21540047
[Journal Article] A divisor on the moduli space of curves associated to the signature of fibered surfaces2009
- Author(s)
  足利正, 吉川謙一
- Journal Title
  
  Advanced Studies in Pure Math. 56
  
  Pages: 1-34
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340016
[Journal Article] A divisor on themoduli space of curves associated to the signature of fibered surfaces, with an appendix by K. Konno2009
- Author(s)
  T. Ashikaga, K.-I. Yoshikawa
- Journal Title
  
  Advanced Studies in Pure Math
  
  Volume: 56 Pages: 1-34
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340016
[Journal Article] A divisor on the moduli spaces of curves associated to the signature of fibered complex surfaces2009
- Author(s)
  Ashikaga, T. and Yoshikawa, K
- Journal Title
  
  Adv. St. Pure Math
  
  Volume: 56 Pages: 1-34
- Data Source
  KAKENHI-PROJECT-20540094
[Journal Article] A divisor on the moduli spaces of curves associated to the signature of fibered complex surfaces2009
- Author(s)
  T.Ashikaga, K.Yoshikawa
- Journal Title
  
  Adv.St.Pure Math. 56
  
  Pages: 1-34
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540047
[Journal Article] A divisor on the moduli space of curves associated to the signature of fibered complex surfaces(with an Appendix by Kazuhiro Konno)2009
- Author(s)
  T.Ashikaga, K.Yoshikawa
- Journal Title
  
  Advanced St.Pure Math. 56
  
  Pages: 1-34
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340014
[Journal Article] A divisor on the moduli spaces of curves assorciated to the signature of fibered complex surfaces(with appendix by Kazuhiro Konno)2009
- Author(s)
  T. Ashikaga and K.-I. Yoshikawa
- Journal Title
  
  Adv. St. Pure Math
  
  Volume: 56 Pages: 1-34
- Data Source
  KAKENHI-PROJECT-20340014
[Journal Article] A divisor on the moduli spaces of curves associated to the signature of fibered complex surfaces(with an Appendix by Kazuhiro Konno)2009
- Author(s)
  T. Ashikaga and K.-I. Yoshikawa
- Journal Title
  
  Adv. St. Pure Math.
  
  Volume: 56 Pages: 1-34
- Data Source
  KAKENHI-PROJECT-21540047
[Journal Article] A divisor on the moduli space of curves associated to the signature of fibered surfaces2009
- Author(s)
  T.Ashikaga, K.-I.Yoshikawa
- Journal Title
  
  Advanced Studies in Pure Mathematics 56
  
  Pages: 1-34
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340016
[Journal Article] Vatrious aspects of degenerate of Riemann surfaces2006
- Author(s)
  Tadashi, Ashikaga・Hisaaki, Endo
- Journal Title
  
  Sugaku Expositions, Amer. Math. Soc. 19
  
  Pages: 171-196
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540059
[Journal Article] Various aspects of degenerate families of Riemann surfaces2006
- Author(s)
  Tadashi Ashikaga and Hisaaki Endo
- Journal Title
  
  Sugaku Expositions Amer. Math. Soc. 19
  
  Pages: 171-196
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Journal Article] Various aspects of degenerate families of Riemann surfaces2006
- Author(s)
  T.Ashikaga, H.Endo
- Journal Title
  
  Sugaku Expositions 19
  
  Pages: 171-196
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16204003
[Journal Article] Various aspects of degenerate families of Riemann surfaces2006
- Author(s)
  Tadashi Ashikaga, Hisaaki Endo
- Journal Title
  
  Sugaku Expositions, Amer. Math. Soc. 19
  
  Pages: 171-196
- Data Source
  KAKENHI-PROJECT-16340008
[Journal Article] Various aspects of degenerate families of Rirmann surfaces2006
- Author(s)
  T.Ashikaga, H.Endo
- Journal Title
  
  Sugaka Expositions 19
  
  Pages: 171-196
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16204003
[Journal Article] Local splitting families of hyperelliptic pencils II.2004
- Author(s)
  T.Arakawa, T.Ashikaga
- Journal Title
  
  Nagoya Math.J. 175
  
  Pages: 103-124
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340049
[Journal Article] Local splitting families of hyperelliptic pencils, II2004
- Author(s)
  T.Arakawa, T.Ashikaga
- Journal Title
  
  Nagoya Math.J. 175
  
  Pages: 103-124
- Data Source
  KAKENHI-PROJECT-16540036
[Journal Article] Local splitting families of hyperelliptic pencils II2004
- Author(s)
  Tatsuya Arakawa, Tadashi Ashikaga
- Journal Title
  
  Nagoya Math.J. 175
  
  Pages: 103-124
- Data Source
  KAKENHI-PROJECT-16340008
[Journal Article] Local splitting families of hyperelliptic pencils II2004
- Author(s)
  T.Arakawa, T.Ashikaga
- Journal Title
  
  Nagoya Math. J. 175
  
  Pages: 103-124
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340049
[Journal Article] Local signature defect of fibered complex surfaces via monodromy and stable reduction
- Author(s)
  T. Ashikaga
- Journal Title
  
  (現在投稿中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540047
[Journal Article] A divisor on the moduli space of curves associated to the signature of fibered surfaces
- Author(s)
  T. Ashikaga, K.-1. Yoshikawa
- Journal Title
  
  Advanced Studies in Pure Mathematics (掲載決定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340016
[Journal Article] Various aspects of degenerate families of Riemann surfaces
- Author(s)
  T.Ashikaga, H.Endo
- Journal Title
  
  Sugaku Expose, A. M. S. (to appear)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340049
[Journal Article] Another form of the reciprocity law of Dedekind sum
- Author(s)
  T. Ashikaga, M. Ishizaka
- Journal Title
  
  Revista Math. (掲載予定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540047
[Journal Article] Various aspects of degenerate families of Riemann surfaces.
- Author(s)
  T.Ashikaga, H.Endo
- Journal Title
  
  Sugaku Expose, A.M.S. (to appear)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340049
[Journal Article] A divisor on the moduli space of curves associated to the signature of fibered surfaces, to appear in Adv
- Author(s)
  Tadashi Ashikaga and Ken-ichi Yoshikawa
- Journal Title
  
  Studies in Pure Math
- Data Source
  KAKENHI-PROJECT-19540047
[Journal Article] A divisor on the moduli space of curves associated with the signature of fibered surfaces
- Author(s)
  T. Ashikaga, K. Yoshikawa
- Journal Title
  
  Advanced studies in Pure Math. (掲載予定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540047
[Journal Article] A divisor on the moduli space of curves associated to the signature of fibered surfaces
- Author(s)
  T. Ashikaga, K. -I. Yoshikawa
- Journal Title
  
  Advanced Studies in Pure Mathematics (掲載決定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19340016
[Journal Article] Another form of the reciprocity law of Dedekind sum
- Author(s)
  Tadashi Ashikaga and Mizuho Ishizaka
- Journal Title
  
  to appear in Revista Math
- Data Source
  KAKENHI-PROJECT-19540047
[Presentation] 総実3次代数体の単数群への2次元連分数の応用の試み2020
- Author(s)
  足利　正
- Organizer
  代数幾何学ミニワークショップ
- Invited
- Data Source
  KAKENHI-PROJECT-16K05104
[Presentation] Spaces of moduli maps and Castelnuovo-Horikawa index,2019
- Author(s)
  Tadashi Ashikaga
- Organizer
  Algebraic surfaces and related topics
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K05104
[Presentation] 退化代数曲線族のオービフォールドモジュライ写像とタイヒミューラー構造2019
- Author(s)
  足利正
- Organizer
  代数幾何学ミニワークショップ
- Invited
- Data Source
  KAKENHI-PROJECT-16K05104
[Presentation] The space of orbifold moduli maps of degenerations of curves2019
- Author(s)
  Tadashi Ashikaga
- Organizer
  Workshop on Topology of singularities
- Invited
- Data Source
  KAKENHI-PROJECT-16K05104
[Presentation] The space of orbifold moduli maps of degenerations of curves2019
- Author(s)
  Tadashi Ashikaga
- Organizer
  Workshop: Toric geometry, degenerations and related topics
- Invited
- Data Source
  KAKENHI-PROJECT-16K05104
[Presentation] The space of orbifold moduli maps of degenerations of Riemann surfaces2018
- Author(s)
  足利正
- Organizer
  北海道大学幾何学コロキューム
- Invited
- Data Source
  KAKENHI-PROJECT-16K05104
[Presentation] Analytic structures and moduli maps of degenerations of curves2018
- Author(s)
  足利正
- Organizer
  倉西正武先生を囲む複素2次元特異点勉強会・伊豆
- Invited
- Data Source
  KAKENHI-PROJECT-16K05104
[Presentation] Castelnuovo-Horikawa index of genus three via signature divisor2018
- Author(s)
  足利　正
- Organizer
  第13回代数幾何解析セミナー（鹿児島大学会場）
- Invited
- Data Source
  KAKENHI-PROJECT-16K05104
[Presentation] Orbifold moduli maps of degenerations of Riemann surfaces2018
- Author(s)
  足利正
- Organizer
  リーマン面に関連する位相幾何学研究集会
- Invited
- Data Source
  KAKENHI-PROJECT-16K05104
[Presentation] Horikawa index of genus three via signature divisor2017
- Author(s)
  T. Ashikaga
- Organizer
  Mini workshop ''Fibered Varieties" in honor of Prof. M. A. Barja
- Place of Presentation
  大阪大学
- Year and Date
  2017-03-22
- Invited
- Data Source
  KAKENHI-PROJECT-24244002
[Presentation] Horikawa index of non-hyoerelliptic genus three fibration2017
- Author(s)
  足利　正
- Organizer
  Seminar on Algebraic Surfaces (at Dalian Univ. of Tech.)
- Invited
- Data Source
  KAKENHI-PROJECT-16K05104
[Presentation] Log Eichler trace formula and hyperelliptic multiplicity2017
- Author(s)
  足利　正
- Organizer
  代数幾何学ミニワークショップ
- Place of Presentation
  八千代プラザ（兵庫県多可郡多可町）
- Year and Date
  2017-01-07
- Invited
- Data Source
  KAKENHI-PROJECT-16K05104
[Presentation] Horikawa index of genus three via signature divisor2017
- Author(s)
  足利　正
- Organizer
  Mini workshop ''Fibered Varieties" in honor of Prof. M. A. Barja
- Place of Presentation
  大阪大学大学院理学研究科（大阪府豊中市）
- Year and Date
  2017-03-22
- Invited
- Data Source
  KAKENHI-PROJECT-16K05104
[Presentation] A certain intersection number on moduli space of genus 3 and Horikawa index2016
- Author(s)
  足利正
- Organizer
  代数曲面ワークショップ
- Place of Presentation
  首都大学東京サテライトキャンパス（東京都千代田区秋葉原）
- Year and Date
  2016-02-06
- Invited
- Data Source
  KAKENHI-PROJECT-24540048
[Presentation] Horikawa index of genus three via signature divisor2016
- Author(s)
  T. Ashikaga
- Organizer
  Algebraic Geometry Seminar
- Place of Presentation
  East China Normal University
- Year and Date
  2016-09-06
- Invited
- Data Source
  KAKENHI-PROJECT-24244002
[Presentation] Horikawa index of genus 3 and hyperelliptic multiplicity2016
- Author(s)
  足利　正
- Organizer
  研究集会「代数曲線と曲面及びその周辺」
- Place of Presentation
  大阪大学大学院理学研究科（大阪府豊中市）
- Year and Date
  2016-11-26
- Invited
- Data Source
  KAKENHI-PROJECT-16K05104
[Presentation] Dedekind 和を用いた種数3のモジュライ空間上のある交点数表示2016
- Author(s)
  足利正
- Organizer
  代数幾何学ミニワークショップ
- Place of Presentation
  兵庫県多可町八千代フラザ
- Year and Date
  2016-01-09
- Invited
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] A certain intersection number on moduli space of genus 3 and Horikawa index2016
- Author(s)
  足利正
- Organizer
  代数曲面ワークショップ
- Place of Presentation
  首都大学東京
- Year and Date
  2016-02-06
- Invited
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] Horikawa index of genus 3 and hyperelliptic multiplicity2016
- Author(s)
  足利　正
- Organizer
  代数曲線・曲面とその周辺 (Ohbuchi 60)
- Place of Presentation
  大阪大学
- Year and Date
  2016-11-26
- Invited
- Data Source
  KAKENHI-PROJECT-24244002
[Presentation] A certain intersection number on moduli space of genus 3 and Horikawa index2016
- Author(s)
  足利正
- Organizer
  代数曲面ワークショップ
- Place of Presentation
  首都大学東京秋葉原サテライトキャンパス
- Year and Date
  2016-02-06
- Invited
- Data Source
  KAKENHI-PROJECT-24244002
[Presentation] Dedekind 和を用いた種数3のモジュライ空間上のある交点数表示2016
- Author(s)
  足利正
- Organizer
  代数幾何学ミニワークショップ
- Place of Presentation
  兵庫県多可町八千代フラザ（兵庫県多可郡）
- Year and Date
  2016-01-09
- Invited
- Data Source
  KAKENHI-PROJECT-24540048
[Presentation] Horikawa index of genus three via signature divisor2016
- Author(s)
  T. Ashikaga
- Organizer
  Seminar on Algebraic Geomtry
- Place of Presentation
  East China Normal Univ. (Shanghei, China)
- Year and Date
  2016-09-06
- Invited
- Data Source
  KAKENHI-PROJECT-16K05104
[Presentation] Automorphisms of stable curves and invariants of fiber germs2015
- Author(s)
  足利正
- Organizer
  代数幾何セミナー
- Place of Presentation
  高知工科大学
- Year and Date
  2015-11-02
- Invited
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] 種数３のファイバー芽の堀川指数とアイヒラー型跡公式2015
- Author(s)
  足利正
- Organizer
  第２回代数幾何学研究集会宇部
- Place of Presentation
  宇部工業高専
- Year and Date
  2015-01-24
- Invited
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] Another realizaion of Birman-Hilden relation via hyperellptic splitting family2015
- Author(s)
  足利正
- Organizer
  Mini-Symposium “Topology and singularities”
- Place of Presentation
  Gakushuin Univ., 東京
- Year and Date
  2015-10-14
- Invited
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] 種数３のファイバー芽の堀川指数とアイヒラー型跡公式2015
- Author(s)
  足利正
- Organizer
  第２回代数幾何学研究集会宇部
- Place of Presentation
  宇部高専
- Year and Date
  2015-01-24
- Invited
- Data Source
  KAKENHI-PROJECT-24244002
[Presentation] Another realizaion of Birman-Hilden relation via hyperellptic splitting family2015
- Author(s)
  Tadashi Ashikaga
- Organizer
  Topology and singularities
- Place of Presentation
  Gakushuin Univ.
- Year and Date
  2015-10-14
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24244002
[Presentation] 種数３のファイバー芽の堀川指数とアイヒラー型跡公式2015
- Author(s)
  足利　正
- Organizer
  第２回代数幾何学研究集会宇部
- Place of Presentation
  宇部工業高等専門学校（山口県宇部市）
- Year and Date
  2015-01-24
- Invited
- Data Source
  KAKENHI-PROJECT-24540048
[Presentation] Another realizaion of Birman-Hilden relation via hyperellptic splitting family2015
- Author(s)
  足利正
- Organizer
  Mini-Symposium “Topology and singularities”
- Place of Presentation
  学習院大学（東京都豊島区）
- Year and Date
  2015-10-14
- Invited
- Data Source
  KAKENHI-PROJECT-24540048
[Presentation] 種数３のモジュライ空間上のある交点数と堀川指数2015
- Author(s)
  足利　正
- Organizer
  代数幾何学ミニワークショップ
- Place of Presentation
  Edel Sasayuri（兵庫県多可町）
- Year and Date
  2015-01-10
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] 種数３のファイバー芽の堀川指数とアイヒラー型跡公式2015
- Author(s)
  足利正
- Organizer
  第２回代数幾何学研究集会宇部
- Place of Presentation
  宇部高等専門学校
- Year and Date
  2015-01-24
- Invited
- Data Source
  KAKENHI-PROJECT-23540096
[Presentation] 種数３のモジュライ空間上のある交点数と堀川指数2015
- Author(s)
  足利　正
- Organizer
  代数幾何学ミニワークショップ
- Place of Presentation
  八千代プラザ（兵庫県多可町）
- Year and Date
  2015-01-10
- Invited
- Data Source
  KAKENHI-PROJECT-24540048
[Presentation] 種数３のファイバー芽の堀川指数とアイヒラー型跡公式2015
- Author(s)
  足利　正
- Organizer
  第２回代数幾何学研究集会-宇部
- Place of Presentation
  宇部高専（山口県宇部市）
- Year and Date
  2015-01-24
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Automorphisms of stable curves and invariants of fiber germs2015
- Author(s)
  足利正
- Organizer
  代数幾何学セミナー
- Place of Presentation
  高知工科大学（高知県高知市）
- Year and Date
  2015-11-02
- Invited
- Data Source
  KAKENHI-PROJECT-24540048
[Presentation] 種数３のモジュライ空間上のある交点数と堀川指数2015
- Author(s)
  足利正
- Organizer
  代数幾何学ミニワークショップ
- Place of Presentation
  兵庫県多可町
- Year and Date
  2015-01-10
- Invited
- Data Source
  KAKENHI-PROJECT-23540096
[Presentation] 種数３のモジュライ空間上のある交点数と堀川指数2015
- Author(s)
  足利正
- Organizer
  代数幾何学ミニワークショップ
- Place of Presentation
  兵庫県多可町八千代プラザ
- Year and Date
  2015-01-10
- Invited
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] Horikawa index of genus 3 with periodic monodromy via Eichler's trace formula2014
- Author(s)
  足利正
- Organizer
  リーマン面に関する位相幾何学2014
- Place of Presentation
  東京大学数理科学研究科
- Year and Date
  2014-08-25
- Invited
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] Horikawa index of genus 3 with periodic monodromy via Eicjler's trace formula2014
- Author(s)
  足利　正
- Organizer
  リーマン面に関連する位相幾何学2014
- Place of Presentation
  東京大学駒場キャンパス（東京都目黒区）
- Year and Date
  2014-08-25
- Invited
- Data Source
  KAKENHI-PROJECT-24540048
[Presentation] 2 次元連分数の子孫項に伴う有理 Chow 環と Fourier-Dedekind 和2014
- Author(s)
  足利正
- Organizer
  代数幾何学ミニワークショプ
- Place of Presentation
  八千代プラザ兵庫県多可郡多可町
- Invited
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] Horikawa index of genus 3 with periodic monodromy via Eicjler's trace formula2014
- Author(s)
  足利正
- Organizer
  リーマン面に関する位相幾何学2014
- Place of Presentation
  東京大学
- Year and Date
  2014-08-25
- Invited
- Data Source
  KAKENHI-PROJECT-24244002
[Presentation] Horikawa index of genus 3 with periodic monodromy via Eicjler's trace formula2014
- Author(s)
  T. Ashikaga
- Organizer
  リーマン面に関する位相幾何学2014
- Place of Presentation
  東京大学駒場キャンパス（東京都目黒区）
- Year and Date
  2014-08-25
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Horikawa index of genus 3 with periodic monodromy via Eicjler's trace formula2014
- Author(s)
  足利正
- Organizer
  リーマン面に関する位相幾何学 2014
- Place of Presentation
  東京大学大学院数理科学研究科
- Year and Date
  2014-08-25
- Invited
- Data Source
  KAKENHI-PROJECT-23540096
[Presentation] Higher-dimensional continued fractions for cyclic orbifold and Dedekind sums2013
- Author(s)
  足利正
- Organizer
  研究集会「射影多様体の幾何とその周辺2013」
- Place of Presentation
  高知大学　高知県
- Invited
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] Cotangent sums of Atiyah-Singer and Oka toric modifications2013
- Author(s)
  T. Ashikaga
- Organizer
  特異点ミニワークショップ
- Place of Presentation
  東京理科大学、東京都(招待講演)
- Year and Date
  2013-03-11
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] Cotangent sums of Atiyah-Singer and Oka toric modifications2013
- Author(s)
  足利　正
- Organizer
  特異点ミニワークショップ
- Place of Presentation
  東京理科大学
- Invited
- Data Source
  KAKENHI-PROJECT-23540096
[Presentation] A map germ to moduli of curves with automorphisms2013
- Author(s)
  T. Ashikaga
- Organizer
  代数幾何学ミニワークショップ
- Place of Presentation
  兵庫県多可町八千代プラザ(招待講演)
- Year and Date
  2013-01-12
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] A map germ to moduli of curves with automorphisms2013
- Author(s)
  足利　正
- Organizer
  代数幾何学ミニワークショプ
- Place of Presentation
  兵庫県多可町
- Invited
- Data Source
  KAKENHI-PROJECT-23540096
[Presentation] Toric modification of cyclic orbifolds and Dedekind sums2012
- Author(s)
  T. Ashikaga
- Organizer
  WCU workshop on classification and construction of algebraic varieties
- Place of Presentation
  Busan, KOREA(招待講演)
- Year and Date
  2012-03-26
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] Toric modification of cyclic orbifolds and extened Zagier reciprocity for Dedekin sums2012
- Author(s)
  足利正
- Organizer
  代数学シンポジウム
- Place of Presentation
  京都大学数理解析研究所
- Invited
- Data Source
  KAKENHI-PROJECT-24244002
[Presentation] Dedekind和に関するZagier相互律の幾何的拡張2012
- Author(s)
  T. Ashikaga
- Organizer
  2012年リーマン面に関連する位相幾何学研究集会
- Place of Presentation
  東京大学、東京都(招待講演)
- Year and Date
  2012-09-02
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] 巡回商特異点のある解消プロセスとその例外集合2012
- Author(s)
  T. Ashikaga
- Organizer
  多変数関数論冬セミナー
- Place of Presentation
  東北大学、仙台市(招待講演)
- Year and Date
  2012-12-23
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] Dedekind和に関するZagier 相互律の幾何的拡張2012
- Author(s)
  足利　正
- Organizer
  研究集会「リーマン面に関連する位相幾何学」
- Place of Presentation
  東京大学大学院数理科学研究科
- Invited
- Data Source
  KAKENHI-PROJECT-23540096
[Presentation] 巡回商特異点のある解消プロセスとその例外集合2012
- Author(s)
  足利正
- Organizer
  Encounter with Mathematics 第59回
- Place of Presentation
  中央大学
- Invited
- Data Source
  KAKENHI-PROJECT-24244002
[Presentation] Dedekind和に関するZagier相互律の拡張と巡回商特異点間の双対性2012
- Author(s)
  足利正
- Organizer
  代数幾何ミニワークショップ
- Place of Presentation
  兵庫県多可町
- Year and Date
  2012-02-11
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] Dedekind和に関するZagier相互律の拡張と巡回商特異点間の双対性2012
- Author(s)
  足利正
- Organizer
  代数幾何学ミニワークショップ
- Place of Presentation
  兵庫県多可町(兵庫県)
- Year and Date
  2012-02-11
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] 巡回商特異点の解消と高次元連分数2012
- Author(s)
  足利　正
- Organizer
  多変数関数論冬セミナー
- Place of Presentation
  東北大学
- Invited
- Data Source
  KAKENHI-PROJECT-23540096
[Presentation] 巡回商特異点のある解消プロセスとその例外集合2012
- Author(s)
  足利　正
- Organizer
  第59回 Encounter with Mathematics
- Place of Presentation
  中央大学
- Invited
- Data Source
  KAKENHI-PROJECT-23540096
[Presentation] Dedekind和に関するZagier相互律の拡張と巡回商特異点間の双対性2012
- Author(s)
  足利正
- Organizer
  代数幾何学ミニワークショップ
- Place of Presentation
  兵庫県多可町、八千代プラザ(招待講演)
- Year and Date
  2012-02-11
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] 巡回商特異点のある解消プロセスとその例外集合2012
- Author(s)
  T. Ashikaga
- Organizer
  Encounter with Mathematics 第59回
- Place of Presentation
  中央大学、東京都(招待講演)
- Year and Date
  2012-10-13
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] 特異点・特異ファイバー・一般型曲面・夢2012
- Author(s)
  足利　正
- Organizer
  2012年特異点と多様体の幾何学研究集会
- Place of Presentation
  山形大学
- Invited
- Data Source
  KAKENHI-PROJECT-23540096
[Presentation] Toric modification of cyclic orbifolds and Dedekind sums2012
- Author(s)
  Tadashi Ashikaga
- Organizer
  WCU workshop on classification and construction of algebraic varieties
- Place of Presentation
  Busan, KOREA
- Invited
- Data Source
  KAKENHI-PROJECT-23540096
[Presentation] Extended Zagier reciprocity for Dedekind sum via cyclic quotient singularities2012
- Author(s)
  T.Ashikaga
- Organizer
  Topology of Singularities and Related Topics III
- Place of Presentation
  Univ.Dalat, VIETNAM
- Year and Date
  2012-03-26
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] Extended Zagier recipr ocity for Dedekind sum via cyclic quotient singularities2012
- Author(s)
  T. Ashikaga
- Organizer
  Topology of Singularities and Related Topics III
- Place of Presentation
  Dalat. VIETNAM
- Year and Date
  2012-03-26
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] Extended Zagier reciprocity for Dedekind sum via cyclic quotient singularities2012
- Author(s)
  足利正
- Organizer
  Topology of Singularities and Related Topics III
- Place of Presentation
  Dalat Vietnam
- Year and Date
  2012-03-26
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] Toric modification of cyclic orbifolds and extened Zagier reciprocity for Dedekin sums2012
- Author(s)
  足利　正
- Organizer
  代数学シンポジューム 2012
- Place of Presentation
  京都大学数理解析研究所
- Invited
- Data Source
  KAKENHI-PROJECT-23540096
[Presentation] Extended Zagier reciprocity for Dedekind sum via cyclic quotient singularities2012
- Author(s)
  足利正
- Organizer
  Topology and Singularities and Related Topics III
- Place of Presentation
  Dalat, Vietnam(招待講演)
- Year and Date
  2012-03-26
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] 特異点・特異ファイバー・一般型曲面・夢2012
- Author(s)
  T. Ashikaga
- Organizer
  2012年特異点と多様体の幾何学研究集会
- Place of Presentation
  山形大学、山形市(招待講演)
- Year and Date
  2012-08-26
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] Toric modification of cyclic orbifolds and extened Zagier reciprocity for Dedekin sums2012
- Author(s)
  T. Ashikaga
- Organizer
  代数学シンポジューム2012
- Place of Presentation
  京都大学数理解析研究所、京都市(招待講演)
- Year and Date
  2012-08-22
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] Higher-dimensional continued linear fractions for cyclic quotient singularities2011
- Author(s)
  T.Ashikaga
- Organizer
  Workshop on Singularity
- Place of Presentation
  東京理科大学
- Year and Date
  2011-01-22
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] 巡回商特異点に関する高次連分数とZagier相互律2011
- Author(s)
  足利正
- Organizer
  リーマン面に関する位相幾何学研究集会
- Place of Presentation
  東京大学(招待講演)
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] 巡回商特異点に関する高次元連分数とZagier相互律2011
- Author(s)
  足利正
- Organizer
  リーマン面に関する位相幾何学研究集会
- Place of Presentation
  東京大学
- Year and Date
  2011-09-04
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] Higher-dimensional continued linear fractions for cyclic quotient singularities2011
- Author(s)
  足利正
- Organizer
  Workshop on Singularity
- Place of Presentation
  東京理科大学
- Year and Date
  2011-01-22
- Data Source
  KAKENHI-PROJECT-19340001
[Presentation] 巡回商特異点に関する高次元連分数とZagier相互律2011
- Author(s)
  足利正
- Organizer
  リーマン面に関する位相幾何学研究集会
- Place of Presentation
  東京大学(東京都)
- Year and Date
  2011-09-04
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] 特異点に関する高次元連分数とZagier相互律2011
- Author(s)
  足利正
- Organizer
  リーマン面に関する位相幾何学研究集会
- Place of Presentation
  東京大学
- Year and Date
  2011-09-04
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] Higher-dimensional continued linear fractions for cyclic quotient singularities2011
- Author(s)
  T. Ashikaga
- Organizer
  Workshop on Singularity
- Place of Presentation
  東京理科大学
- Year and Date
  2011-01-22
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] 巡回商特異点に伴う高次元連分数とZagier相互律2011
- Author(s)
  足利正
- Organizer
  リーマン面に関連する位相幾何学
- Place of Presentation
  東京都、東京大学(招待講演)
- Year and Date
  2011-09-04
- Data Source
  KAKENHI-PROJECT-23340008
[Presentation] Higher-dimensional continued linear fractions for cyclic quotient singularities2011
- Author(s)
  T.Ashikaga
- Organizer
  Workshop on Singularity
- Place of Presentation
  東京理科大学(東京都)
- Year and Date
  2011-01-22
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] 高次元循環商特異点の解消とある非可換多項式2011
- Author(s)
  T.Ashikaga
- Organizer
  代数幾何学ミニワークショップ
- Place of Presentation
  兵庫県西脇市八千代
- Year and Date
  2011-02-19
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Toric resolution of a certain non-normal singutarity2010
- Author(s)
  足利正
- Organizer
  山形特異点研究会
- Place of Presentation
  山形大学
- Year and Date
  2010-03-02
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] Planar continued linear fraction and three-dimensional quotient singularities2010
- Author(s)
  足利正
- Organizer
  Workshop on Lefschetz fibration and category theory
- Place of Presentation
  大阪大学(大阪府)
- Year and Date
  2010-06-27
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] Planar continued linear fraction for three-dimensional cyclic quotient singularities2010
- Author(s)
  T.Ashikaga
- Organizer
  第二回東北復旦代数幾何交流シンボジューム
- Place of Presentation
  復旦大学,China
- Year and Date
  2010-06-03
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] Towards resolution of surface singularity via toroidal fiber space2010
- Author(s)
  足利正
- Organizer
  代数幾何ミニワークショップ
- Place of Presentation
  兵庫県八千代町
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] Toric resolution of a certain non-normal singularity,2010
- Author(s)
  T.Ashikaga
- Organizer
  山形特異点セミナー
- Place of Presentation
  山形県山形大学
- Year and Date
  2010-03-02
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] Planar continued linear fraction and three-dimensional quotient singularities2010
- Author(s)
  足利正
- Organizer
  Workshop on Lefschetz fibration and category theory
- Place of Presentation
  大阪大学
- Year and Date
  2010-06-27
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] Planer continued linear fraction for 3-dimensional cyclic quotient singularities2010
- Author(s)
  足利正
- Organizer
  第二回東北復旦代数幾何交流シンポジューム
- Place of Presentation
  複旦大学
- Year and Date
  2010-06-03
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] Planar continued linear fraction for three-dimensional cyclic quotient singularities2010
- Author(s)
  T.Ashikaga
- Organizer
  第二回東北復旦代数幾何交流シンポジューム
- Place of Presentation
  復旦大学, 中国
- Year and Date
  2010-06-03
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Towards resolution of surface singularity via toroidal fiber space2010
- Author(s)
  T.Ashikaga
- Organizer
  代数幾何学ミニワークショップ
- Place of Presentation
  兵庫県西脇市
- Year and Date
  2010-02-20
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] Planar continued linear fraction for three-dimensional cyclic quotient singularities2010
- Author(s)
  T. Ashikaga
- Organizer
  第二回東北復旦代数幾何交流シンポジューム
- Place of Presentation
  復日大学, CHINA
- Year and Date
  2010-06-03
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] Towards the signature of complex surfaces and singularities2010
- Author(s)
  足利正
- Organizer
  Mini Workshop on Singularity Theory
- Place of Presentation
  東京理科大学
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] Towards the signature of complex surfaces and singularities2010
- Author(s)
  T.Ashikaga
- Organizer
  Mini Workshop on Singularity Theory
- Place of Presentation
  東京都東京理科大学
- Year and Date
  2010-03-14
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] Multi-dimensional continued linear fractions for cyclic quotient singularities2010
- Author(s)
  T.Ashikaga
- Organizer
  ワークショップ「複素代数幾何と位相幾何の交差点」
- Place of Presentation
  東京大学
- Year and Date
  2010-12-25
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Planar continued linear fraction for three-dimensional cyclic quotient singularities2010
- Author(s)
  T.Ashikaga
- Organizer
  Workshop on Lefschetz fibration and category theory
- Place of Presentation
  大阪大学
- Year and Date
  2010-06-27
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Signature Divisor on the moduli space of curves and Its applications2009
- Author(s)
  足利正
- Organizer
  第4回代数・幾何・解析セミナー
- Place of Presentation
  鹿児島大学
- Year and Date
  2009-02-17
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] On local signature and Horikawa index of fibered surfaces2009
- Author(s)
  T.Ashikaga
- Organizer
  Hodge理論と代数幾何学
- Place of Presentation
  京都府京都大学数理解析研究所
- Year and Date
  2009-06-29
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] Local signature of fibered surfaces and its application2009
- Author(s)
  T. Ashikaga
- Organizer
  Conference on Algebraic surfaces and related topics
- Place of Presentation
  Pohang. KOREA
- Year and Date
  2009-08-19
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] Another geometric proof of the reciprocity law of Dedekind sum(jointly with M. Ishizaka)2009
- Author(s)
  足利正
- Organizer
  第一回東北復旦代数幾何交流シンポジューム
- Place of Presentation
  東北大学
- Year and Date
  2009-11-26
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] Local signature and eta invariant of degeneration Of Riemann surfaces2009
- Author(s)
  足利正
- Organizer
  Branched Coverings, Degenerations, and Related Topics
- Place of Presentation
  広島大学理学部
- Year and Date
  2009-03-12
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] 曲線の退化ファイバー芽のエータ不変量に関する一考察2009
- Author(s)
  足利正
- Organizer
  代数幾何学ミニワークショップ
- Place of Presentation
  兵庫県八千代町
- Data Source
  KAKENHI-PROJECT-19540047
[Presentation] Signature divisor on moduli space of curves and its application2009
- Author(s)
  T. Ashikaga
- Organizer
  Franco-Japan symposium on Singularity
- Place of Presentation
  Strasbourg, FRANCE
- Year and Date
  2009-08-27
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] 曲線の退化ファイバー芽のエータ不変量に関する-考察2009
- Author(s)
  足利正
- Organizer
  代数幾何学ミニワークショップ
- Place of Presentation
  兵庫県八千代市
- Year and Date
  2009-02-21
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] Eta invariant and local signature of degeneration of Riemann surfaces, Symposium on Branched coverings2009
- Author(s)
  足利正
- Organizer
  Degenerations and Related topics
- Place of Presentation
  広島大学
- Data Source
  KAKENHI-PROJECT-19540047
[Presentation] Another geometric proof of the reciprocity law of Dedekind sum (jointly with M.Ishizaka)2009
- Author(s)
  T.Ashikaga
- Organizer
  第一回東北復旦代数幾何交流シンポジューム
- Place of Presentation
  宮城県東北大学
- Year and Date
  2009-11-26
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] Signature divisor on the moduli space of curves and its application2009
- Author(s)
  足利正
- Organizer
  第4回代数・幾何・解析セミナー
- Place of Presentation
  鹿児島大学
- Data Source
  KAKENHI-PROJECT-19540047
[Presentation] Signature divisor on moduli space of curves and its application2009
- Author(s)
  足利正
- Organizer
  Franco-Japan symposium on Singularity
- Place of Presentation
  Strasbourg, フランス
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] Another geometric proof of the reciprocity law of Dedekind sum2009
- Author(s)
  足利正
- Organizer
  第一回貨東北復旦代数幾何交流シンポジューム
- Place of Presentation
  東北大学
- Year and Date
  2009-11-26
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] Localization of signature of fibered complex surfaces2009
- Author(s)
  足利正
- Organizer
  2009年度代数幾何学シンポジューム
- Place of Presentation
  兵庫県城崎大会議館
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] Another geometric proof of the reciprocity of Dedekind sum(jointly with M.Ishizaka)2009
- Author(s)
  足利正
- Organizer
  第一回東北復旦代数幾何交流シンポジューム
- Place of Presentation
  東北大学
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] On local signature and Horikawa index of fibered surfaces2009
- Author(s)
  足利正
- Organizer
  Hodge理論と代数幾何学
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2009-06-29
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] On local signature and Horikawa index of fibered surfaces2009
- Author(s)
  足利正
- Organizer
  Hodge理論と代数幾何学
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] signature divisor on the moduli space of curves and its application2009
- Author(s)
  足利正
- Organizer
  第4回代数・幾何・解析セミナー
- Place of Presentation
  鹿児島大学
- Year and Date
  2009-02-17
- Data Source
  KAKENHI-PROJECT-19540047
[Presentation] Signature divisor on moduli space of curves and its application2009
- Author(s)
  足利正
- Organizer
  The 5-th Franco-Japanese singularity symposium
- Place of Presentation
  Univ. Strasbourg
- Year and Date
  2009-08-27
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] Localization of signature of fibered compcx surfaces2009
- Author(s)
  足利正
- Organizer
  2009年度代数幾何学シンポジューム
- Place of Presentation
  兵庫県城崎大会議館
- Year and Date
  2009-10-30
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] Local signature of fibered surfaces and its application2009
- Author(s)
  T.Ashikaga
- Organizer
  Conference on Algebraic surfaces and related topics
- Place of Presentation
  Pohang, KOREA
- Year and Date
  2009-08-19
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] Localization of signature of fibered compex surfaces2009
- Author(s)
  T.Ashikaga
- Organizer
  2009年度代数幾何学シンポジューム
- Place of Presentation
  兵庫県城崎大会議館
- Year and Date
  2009-10-30
- Data Source
  KAKENHI-PROJECT-21540047
[Presentation] Local signature of fibered surface and its application2009
- Author(s)
  足利正
- Organizer
  Conference on Algebraic surfaces and related topics
- Place of Presentation
  Pohang, 韓国
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] Remarks on the Castelnuovo-Horikawa index2008
- Author(s)
  足利正
- Organizer
  研究集会「被覆のつどい」(第2回)
- Place of Presentation
  首都大学東京
- Year and Date
  2008-01-12
- Data Source
  KAKENHI-PROJECT-19540047
[Presentation] Remarks on Horikawa index2008
- Author(s)
  Tadashi Ashikaga
- Organizer
  Mini workshop "Algebraic Geometry"
- Place of Presentation
  Yachiyo town Hyogo
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] Invariants of fiber germs and surface singularities2008
- Author(s)
  Tadashi Ashikaga
- Organizer
  Workshop "Branched covering with Algebraic Geometry and Topology II"
- Place of Presentation
  Tokyo Metropolitan University
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] A new formula for Dedekind sum and the signature of fibered surfaces2008
- Author(s)
  足利正・石坂瑞穂
- Organizer
  Hodge理論・退化・特異点の代数幾何とトポロジー(第4回)
- Place of Presentation
  東北学院大学
- Year and Date
  2008-03-12
- Data Source
  KAKENHI-PROJECT-19540047
[Presentation] Localization of the signature of fibered complex surfaces2008
- Author(s)
  足利正
- Organizer
  International Conference on finite And infinite dimensional complex analysis
- Place of Presentation
  韓国、Gyengju大学
- Year and Date
  2008-07-28
- Data Source
  KAKENHI-PROJECT-20340014
[Presentation] Remarks on Horikawa index2008
- Author(s)
  足利正
- Organizer
  分岐被覆に関連する代数幾何ミニワークショップ
- Place of Presentation
  兵庫県八千代町
- Data Source
  KAKENHI-PROJECT-19540047
[Presentation] Invariants of fiber germs and surface singularities2008
- Author(s)
  足利正
- Organizer
  分岐被覆に関連する代数幾何とトポロジー(第2回)
- Place of Presentation
  首都大学東京
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] Localization of the signature of fibered complex surfaces2008
- Author(s)
  T.Ashikaga
- Organizer
  International Conference on finite and infinite dimensional complex analysis and its application, Gyengju Univ. KOREA
- Data Source
  KAKENHI-PROJECT-19540047
[Presentation] Remarks on Horikawa index2008
- Author(s)
  足利正
- Organizer
  代数幾何ミニワークショップ
- Place of Presentation
  兵庫県八千代町
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] Invariants of fiber germs and surface singularities2008
- Author(s)
  足利正
- Organizer
  分岐被覆に関連する代数幾何とトポロジー(第2回)
- Place of Presentation
  首都大学東京
- Data Source
  KAKENHI-PROJECT-19540047
[Presentation] Dedekind和の相互律の幾何と新公式2008
- Author(s)
  足利正, 石坂瑞穂
- Organizer
  Hodge理論・退化・特異点の代数幾何とトポロジー研究集会(第4回)
- Place of Presentation
  東北学院大学
- Data Source
  KAKENHI-PROJECT-19540047
[Presentation] Localization of signature of fibered complex surfaces2007
- Author(s)
  T. Ashikaga
- Organizer
  Polish-Japanese Singularity Conference, Sopot, POLAND
- Data Source
  KAKENHI-PROJECT-19540047
[Presentation] 射影直線東内のNon・Galois被覆曲面の標準解消2007
- Author(s)
  足利正
- Organizer
  会岐被覆に関連する代数幾何とトポロジー(第1回)
- Place of Presentation
  東北学院大学
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] The reciprocity law of the Dedekind sum and monodromy2007
- Author(s)
  Tadashi Ashikaga
- Organizer
  Mini Workshop "Algebraic Geometry"
- Place of Presentation
  Yachiyo town Hyogo
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] Localization of signature of fibered complex surfaces2007
- Author(s)
  T. Ashikaga
- Organizer
  Japanese-Polish Singularity Conference
- Place of Presentation
  Sopot(Poland)
- Year and Date
  2007-07-13
- Data Source
  KAKENHI-PROJECT-19540047
[Presentation] Deneration of non-Galois covering in projective space bundle2007
- Author(s)
  Tadashi Ashikaga
- Organizer
  Workshop "Branched covering with Algebraic Geometry and Topology I"
- Place of Presentation
  Tohoku Gakuin University
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] Dedekind和の相互律とモノドロミー2007
- Author(s)
  足利正
- Organizer
  代数幾何ミニワークショップ
- Place of Presentation
  兵庫県八千代町
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] 射影直線束内のNon-Galois被覆曲面の標準解消2007
- Author(s)
  足利正
- Organizer
  分岐被覆に関連する代数幾何とトポロジー(第1回)
- Place of Presentation
  東北学院大学
- Data Source
  KAKENHI-PROJECT-19540047
[Presentation] 射影直線束内のNon-Galois被覆曲面の標準解消2007
- Author(s)
  足利正
- Organizer
  分岐被覆に関連する代数幾何とトポロジー(第1回)
- Place of Presentation
  東北学院大学
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] Signature・Monodromy・Dedekind2006
- Author(s)
  Tadashi Ashikaga
- Organizer
  Hakone Seminar "Splitting family・Chart・"Monodromy"
- Place of Presentation
  Hakone Lake Hotel
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] Local signature and Horikawa index of pencils of2006
- Author(s)
  Tadashi Ashikaga
- Organizer
  Workshop "Algebraic Geometry and Topology"
- Place of Presentation
  RIMS
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] Local signature of fiberd complex surfaces via monodromy and stable reduction2006
- Author(s)
  Tadashi Ashikaga
- Organizer
  Workshop "Singular point and Algebraic Geometry"
- Place of Presentation
  Tokyo University of Science
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] 符号数・モノドロミー・Dedekind2006
- Author(s)
  足利正
- Organizer
  分裂族・チャート・モノドロミー箱根セミナー
- Place of Presentation
  小田急箱根レイクホテル
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] Dedeind和とモノドロミー2006
- Author(s)
  足利正
- Organizer
  代数幾何ミニワークショップ
- Place of Presentation
  兵庫県八千代町
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] Local signatute of fibered complex surfaces via monodromy and stable reduction2006
- Author(s)
  足利正
- Organizer
  特異点と代数幾何ワークショップ
- Place of Presentation
  東京理科大学
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] Local invariants of pencils of curves2006
- Author(s)
  足利正
- Organizer
  代数幾何学と複素力学系研究会
- Place of Presentation
  京阪奈プラザホテル
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] Dedekind sum and monodromy2006
- Author(s)
  Tadashi Ashikaga
- Organizer
  Mini Workshop "Algebraic Geometry"
- Place of Presentation
  Yachiyo town Hyogo
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] Local invariants of pencils of curves2006
- Author(s)
  Tadashi Ashikaga
- Organizer
  Workshop "Algebraic Geometry and Complex Dynamical Systems"
- Place of Presentation
  Keihanna-plaza Hotel
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] Local sigitature and Horikawa index of pencils of curves2006
- Author(s)
  足利正
- Organizer
  代数幾何と位相幾何の周辺研究集会
- Place of Presentation
  京都大学数理解析研究所
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] Horika.wa index of maximal-gonal fibrations of odd genus2005
- Author(s)
  足利正
- Organizer
  Algebraic Geomerty in East Asia II
- Place of Presentation
  Hanoi,ベトナム
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] Horikawa index of maximal-gonal fibrations of odd genus2005
- Author(s)
  Tadashi Ashikaga
- Organizer
  Algebraic Geometry in East Asia II
- Place of Presentation
  Hanoi
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] Localization of signature2005
- Author(s)
  足利正
- Organizer
  Workshop on Singularity theory
- Place of Presentation
  東京理科大学
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] Localization of signature2005
- Author(s)
  Tadashi Ashikaga
- Organizer
  Workshop on Singularity
- Place of Presentation
  Tokyo University of Science
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540059
[Presentation] 2 次元連分数の子孫項に伴う有理 Chow 環と Fourier-Dedekind 和
- Author(s)
  足利正
- Organizer
  代数幾何学ミニワークショプ
- Place of Presentation
  兵庫県多可町
- Invited
- Data Source
  KAKENHI-PROJECT-24244002
[Presentation] Toric modification of cyclic orbifolds and extened Zagier reciprocity for Dedekin sums
- Author(s)
  足利正
- Organizer
  代数学シンポジューム 2012
- Place of Presentation
  京都大学数理解析研究所
- Invited
- Data Source
  KAKENHI-PROJECT-24540048
[Presentation] Higher-dimensional continued fractions for cyclic orbifold and Dedekind sums
- Author(s)
  足利正
- Organizer
  研究集会「射影多様体の幾何とその周辺2013」
- Place of Presentation
  高知大学（高知県）
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] 2 次元連分数の子孫項に伴う有理 Chow 環と Fourier-Dedekind 和
- Author(s)
  足利正
- Organizer
  代数幾何学ミニワークショプ
- Place of Presentation
  兵庫県多可町
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] 2 次元連分数の子孫項に伴う有理 Chow 環と Fourier-Dedekind 和
- Author(s)
  足利正
- Organizer
  代数幾何学ミニワークショプ
- Place of Presentation
  多可町中央公民館セミナー室（兵庫県多可郡多可町）
- Invited
- Data Source
  KAKENHI-PROJECT-24540048
[Presentation] 巡回商特異点のある解消プロセスとその例外集合
- Author(s)
  足利正
- Organizer
  Encounter with Mathematics 第59回
- Place of Presentation
  中央大学理工学部数学科（東京都）
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Dedekind 和に関する Zagier 相互律の拡張と巡回商特異点間の双対性
- Author(s)
  足利　正
- Organizer
  代数幾何学ミニワークショップ
- Place of Presentation
  兵庫県多可町
- Data Source
  KAKENHI-PROJECT-23540096
[Presentation] Toric modification of cyclic orbifolds and Dedekind sums
- Author(s)
  T.Ashikaga
- Organizer
  WCU workshop on classification and construction of algebraic varieties
- Place of Presentation
  Busan, KOREA
- Invited
- Data Source
  KAKENHI-PROJECT-24540048
[Presentation] 2 次元連分数の子孫項に伴う有理 Chow 環と Fourier-Dedekind 和
- Author(s)
  足利　正
- Organizer
  「代数幾何学ミニワークショプ」
- Place of Presentation
  兵庫県多可町
- Invited
- Data Source
  KAKENHI-PROJECT-23540096
[Presentation] Dedekind和に関するZagier 相互律の幾何的拡張
- Author(s)
  足利正
- Organizer
  2012年リーマン面に関連する位相幾何学研究集会
- Place of Presentation
  東京大学
- Invited
- Data Source
  KAKENHI-PROJECT-24540048
[Presentation] Toric modification of cyclic orbifolds and extened Zagier reciprocity for Dedekin sums
- Author(s)
  足利正
- Organizer
  代数学シンポジューム 2012
- Place of Presentation
  京都大学数理解析研究所（京都府）
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] 巡回商特異点の解消と高次元連分数
- Author(s)
  足利正
- Organizer
  多変数関数論冬セミナー
- Place of Presentation
  東北大学
- Invited
- Data Source
  KAKENHI-PROJECT-24540048
[Presentation] Toric modification of cyclic orbifolds and Dedekind sums
- Author(s)
  T. Ashikaga
- Organizer
  WCU workshop on classification and construction of algebraic varieties
- Place of Presentation
  Busan, Korea
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] 巡回商特異点に伴う高次元連分数とZagier 相互律
- Author(s)
  足利正
- Organizer
  リーマン面に関連する位相幾何学研究集会
- Place of Presentation
  東京大学
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Dedekind和に関するZagier 相互律の幾何的拡張
- Author(s)
  足利正
- Organizer
  2012年リーマン面に関連する位相幾何学研究集会
- Place of Presentation
  東京大学大学院数理科学研究科（東京都）
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] 巡回商特異点のある解消プロセスとその例外集合
- Author(s)
  足利正
- Organizer
  Encounter with Mathematics 第59回
- Place of Presentation
  中央大学
- Invited
- Data Source
  KAKENHI-PROJECT-24540048
[Presentation] Cotangent sums of Atiyah-Singer and Oka toric modifications
- Author(s)
  足利正
- Organizer
  特異点ミニワークショップ
- Place of Presentation
  東京理科大学神楽坂校舎（東京都）
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] 特異点・特異ファイバー・一般型曲面・夢
- Author(s)
  足利正
- Organizer
  2012年特異点と多様体の幾何学研究集会
- Place of Presentation
  山形大学（山形県）
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Higher-dimensional continued fractions for cyclic orbifold and Dedekind sums
- Author(s)
  足利　正
- Organizer
  研究集会「射影多様体の幾何とその周辺2013」
- Place of Presentation
  高知大学
- Invited
- Data Source
  KAKENHI-PROJECT-23540096
[Presentation] 巡回商特異点の解消と高次元連分数
- Author(s)
  足利正
- Organizer
  多変数関数論冬セミナー
- Place of Presentation
  東北大学理学部・数理科学記念館（宮城県）
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] Higher-dimensional continued fractions for cyclic orbifold and Dedekind sums
- Author(s)
  足利正
- Organizer
  研究集会「射影多様体の幾何とその周辺2013」
- Place of Presentation
  高知大学理学部（高知県高知市曙町）
- Invited
- Data Source
  KAKENHI-PROJECT-24540048
[Presentation] An extended Zagier reciprocity for Dedekind sum via cyclic quotient singularities
- Author(s)
  T. Ashikaga
- Organizer
  Topology of Singularities and Related Topics III
- Place of Presentation
  Dalat Univ. VIETNAM
- Data Source
  KAKENHI-PROJECT-23540096
[Presentation] A map germ to moduli of curves with automorphisms
- Author(s)
  足利正
- Organizer
  代数幾何学ミニワークショップ
- Place of Presentation
  兵庫県多可町（兵庫県）
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] 巡回商特異点に伴う高次元連分数とZagier 相互律
- Author(s)
  足利　正
- Organizer
  研究集会「リーマン面に関連する位相幾何学」
- Place of Presentation
  東京大学大学院数理科学研究科
- Data Source
  KAKENHI-PROJECT-23540096
[Presentation] Dedekind 和に関する Zagier 相互律の拡張と巡回商特異点間の双対性
- Author(s)
  足利正
- Organizer
  代数幾何学ミニワークショップ
- Place of Presentation
  兵庫県多可町
- Invited
- Data Source
  KAKENHI-PROJECT-22340028
[Presentation] 特異点, 特異ファイバー, 一般型曲面, 夢
- Author(s)
  足利正
- Organizer
  2012年特異点と多様体の幾何学研究集会
- Place of Presentation
  山形大学
- Invited
- Data Source
  KAKENHI-PROJECT-24540048
[Presentation] Higher-dimensional continued fractions for cyclic orbifold and Dedekind sums
- Author(s)
  足利正
- Organizer
  射影多様体の幾何とその周辺2013
- Place of Presentation
  高知大学
- Invited
- Data Source
  KAKENHI-PROJECT-24244002
[Presentation] Cotangent sums of Atiyah-Singer and Oka toric modifications
- Author(s)
  足利正
- Organizer
  特異点ミニワークショップ
- Place of Presentation
  東京理科大学
- Invited
- Data Source
  KAKENHI-PROJECT-24540048

1. KONNO Kazuhiro (10186869)

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40. FUJIKI Akira (80027383)

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41. TAKAHASHI Atsushi (50314290)

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42. WATANABE Kenta (70582683)

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43. KATO Kazuya (90111450)

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44. SATO Yoshihisa (90231349)

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45. HIROSE Susumu (10264144)

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46. FUKUHARA Shinji (20011687)

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47. AHARA Kazushi (80247147)

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48. KAWAUCHI Akio (00112524)

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49. NOGUCHI Junjiro (20033920)

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50. UCHIDA Yoshiaki (80280890)

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51. TORISU Ichiro (50323134)

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52. YOKURA Shoji (60182680)

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53. IWASE Norio (60213287)

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54. SAKUMA Kazuhiro (80270362)

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55. ISHIKAWA Masaharu (10361784)

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56. FUKUI Toshizumi (90218892)

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57. ISHIKAWA Goo (50176161)

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58. YAMAMOTO Minoru (40435475)

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59. TAKASE Masamichi (30447718)

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60. KATANAGA Atsuko (20373128)

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61. KOBAYASHI Mahito (10261645)

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62. YAMAMOTO Takahiro (60435972)

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63. TAKEUCHI Kiyoshi (70281160)

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64. TAKATA Toshie (40253398)

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65. SHIRANE Taketo (70615161)

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66. 中川清和 (80128884)

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69. 大鹿健一 (70183225)

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70. 大鹿健一 (70173325)

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72. 大渕朗 (10211111)

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73. 古田幹雄 (50181459)

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74. 佐官謙一 (70110856)

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75. 加藤信 (10243354)

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76. 小野薫 (20204232)

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77. 志摩亜希子 (50317765)

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78. 吉原久夫 (60114807)

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79. 中山昇 (10189079)

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# of Collaborated Products: 0 results

ASHIKAGA Tadashi 足利 正

足利 正 アシカガ タダシ

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Studies on invariants of fibrations of curves and multidimensional continued fractions related to singularitiesPrincipal Investigator

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Application of orbifold signature to singularities and singular fibersPrincipal Investigator

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Signature divisor on the moduli of curves, signature defect and its applicationsPrincipal Investigator

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Studies on local invariants of degeneration of algebraic curves via moduli map and monodromyPrincipal Investigator

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ASHIKAGA Tadashi 足利正

足利正アシカガタダシ