YASUHARA Akira 安原晃

… Alternative Names

安原晃ヤスハラアキラ

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Researcher Number	60256625
Other IDs
External Links
Affiliation (Current)	2026: 早稲田大学, 商学学術院, 教授
Affiliation (based on the past Project Information) *help	2026: 早稲田大学, 商学学術院, 教授 2018 – 2024: 早稲田大学, 商学学術院, 教授 2016 – 2017: 津田塾大学, 学芸学部, 教授 2011 – 2015: 東京学芸大学, 教育学部, 教授 2007 – 2010: Tokyo Gakugei University, Department of Education, Associate Professor … More 2001 – 2006: 東京学芸大学, 教育学部, 助教授 1999: 学芸大, 教育学部, 講師 1998: 東京学芸大学, 教育学部, 講師 1996: 東京学芸大学, 教育学部, 講師 1995: 東京電機大学, 理工学部, 助手 Less
Review Section/Research Field	Principal Investigator Geometry / Geometry / Basic Section 11020:Geometry-related / Geometry Except Principal Investigator Intelligent informatics / Geometry
Keywords	Principal Investigator ミルナー不変量 / Cn-move / ストリング絡み目 / Milnor invariant / delta-move / self Cn-move / string link / link / リンク・ホモトピー / 有限型不変量 … More / 絡み目 / C_κ-move / Vassiliev不変量 / 結び目 / グラフホモロジー / 空間グラフ / カーク不変量 / 曲面リンク写像 / 球面リンク写像 / 絡み目不変量 / ザリスキー対 / 複素射影平面 / 平面配置 / 曲面絡み目 / （穴あき）球面絡み目 / （穴あき）曲面絡み目 / リンク・コンコーダンス / 幾何学 / ウェルデッド絡み目 / クラスパー / クラスパー理論 / コンコーダント / ウエルデッド絡み目 / HOMFLYPT多項式 / 被覆絡み目 / クローバー絡み目 / コボルダント / cobordant / self delta-move / Cκ同値群 / Cκ-move / β-同値群 / β-move / C_κ-同値群 / Gusarov群 / βk-同値群 / βk-move / Ck-同値群 / Ck-move / θ曲線 / 局所変形 / 空間θ曲線 / C_k同値 / C_k-move / 障害集合 / グラフマイナー / 順応性 / グラフ / マイナ- / 空間グラフホモロジー群 / band-曲面 / disk … More Except Principal Investigator 結び目理論 / 位相幾何学 / データマイニング / 知識発見 / データ圧縮 / ミルナー不変量 / 低次元トポロジー / 文法圧縮 / トポロジー / 幾何学 / スクエア結び目 / 素性 / 結び目 Less

球面リンク写像のリンク・ホモトピー不変量の創造Principal Investigator
- Principal Investigator
  
  安原晃
- Project Period (FY)
  2026 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  Waseda University
Milnor type invariants of surface-links.Principal Investigator
- Principal Investigator
  
  Yasuhara Akira
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  Waseda University
Diagramtic approach for finite type invariants of welded linksPrincipal Investigator
- Principal Investigator
  
  Yasuhara Akira
- Project Period (FY)
  2017 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Waseda University
  Tsuda University
複素射影平面上の直線配置と絡み目のミルナー不変量の研究Principal Investigator
- Principal Investigator
  
  田中心, 安原晃
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for JSPS Fellows
- Research Field
  
  Geometry
- Research Institution
  Tokyo Gakugei University
Study on Milnor invariants via finite type invariantsPrincipal Investigator
- Principal Investigator
  
  YASUHARA AKIRA
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tsuda College
  Tokyo Gakugei University
Finding new mathematical knot theory using data compression
- Principal Investigator
  
  Sakamoto Hiroshi
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Intelligent informatics
- Research Institution
  Kyushu Institute of Technology
Study on the classification of string links up to Cn-concordancePrincipal Investigator
- Principal Investigator
  
  AKIRA Yasuhara
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Gakugei University
OnMilnorinvariantsandclassificationoflinksunder freeselfCn-equivalence
- Principal Investigator
  
  SHIBUYA Tetsuo
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Osaka Institute of Technology
Cn-equivalence on string links and Milnor invariantsPrincipal Investigator
- Principal Investigator
  
  YASUHARA Akira
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Gakugei University
Milnor invariants and Classifications of links up to self-type local movesPrincipal Investigator
- Principal Investigator
  
  YASUHARA Akira
- Project Period (FY)
  2006 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Gakugei University
局所変形で与えられる結び目の同値類のなす群に関する研究Principal Investigator
- Principal Investigator
  
  安原晃
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Gakugei University
空間テータ曲線の局所変形とVassiliev不変量の研究Principal Investigator
- Principal Investigator
  
  安原晃
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Gakugei University
空間グラフに含まれる結び目と絡み目の研究Principal Investigator
- Principal Investigator
  
  安原晃
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Gakugei University
空間グラフホモロジー群とグラフマイナ-との関係についての研究Principal Investigator
- Principal Investigator
  
  安原晃
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Gakugei University
空間グラフのグラフホモロジー類の分類Principal Investigator
- Principal Investigator
  
  安原晃
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Geometry
- Research Institution
  Tokyo Denki University

[Journal Article] Welded graphs, Wirtinger groups and knotted punctured spheres2025
- Author(s)
  Benjamin AUDOUX, Jean Baptiste Meliman and Akira Yasuhara
- Journal Title
  
  Essays in Topology - Dedicated to Valentin Poenaru, L. Funar & A. Papadopoulos eds., Springer
  
  Volume: -
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03237
[Journal Article] The Dabkowski-Sahi invariant and 4-moves for links2023
- Author(s)
  Haruko A. Miyazawa, Kodai Wada, Akira Yasuhara
- Journal Title
  
  Geometriae Dedicata
  
  Volume: 217, No. 46, Issue: 3 Pages: 1-15
- DOI
  10.1007/s10711-023-00780-4
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K03237, KAKENHI-PROJECT-21K20327
[Journal Article] Combinatorial Approach to Milnor Invariants of Welded Links2023
- Author(s)
  Haruko A. Miyazawa, Kodai Wada, Akira Yasuhara
- Journal Title
  
  Michigan Mathematical Journal
  
  Volume: 73 Issue: 1 Pages: 141-170
- DOI
  10.1307/mmj/20205905
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K03237, KAKENHI-PROJECT-21K20327
[Journal Article] Link concordances as surfaces in 4-space and the 4-dimensional Milnor invariants2022
- Author(s)
  Jean-Baptiste Meilhan, Akira Yasuhara
- Journal Title
  
  Indiana University Mathematics Journal
  
  Volume: 71 Issue: 6 Pages: 2647-2669
- DOI
  10.1512/iumj.2022.71.9299
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03237
[Journal Article] Classification of string links up to 2n-moves and link-homotopy2021
- Author(s)
  Miyazawa, Haruko A.; Wada, Kodai; Yasuhara, Akira
- Journal Title
  
  Annales de l'Institut Fourier
  
  Volume: 71 Issue: 3 Pages: 889-911
- DOI
  10.5802/aif.3407
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K03237, KAKENHI-PROJECT-21K20327
[Journal Article] Generalized virtualization on welded links2020
- Author(s)
  Haruko A. Miyazawa, Kodai Wada, Akira Yasuhara
- Journal Title
  
  Journal of the Mathematical Society of Japan
  
  Volume: 印刷中 Issue: 3 Pages: 923-944
- DOI
  10.2969/jmsj/82248224
- NAID
  130007879407
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19J00006, KAKENHI-PROJECT-17K05264
[Journal Article] Burnside groups and n-moves for links2019
- Author(s)
  Haruko A. Miyazawa, Kodai Wada, Akira Yasuhara
- Journal Title
  
  Proceedings of the American Mathematical Society
  
  Volume: 印刷中 Issue: 8 Pages: 3595-3602
- DOI
  10.1090/proc/14470
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17J08186, KAKENHI-PROJECT-17K05264
[Journal Article] Arrow calculus for welded and classical links2019
- Author(s)
  Jean-Baptiste Meilhan and Akira Yasuhara
- Journal Title
  
  Algebraic & Geometric Topology
  
  Volume: 19 Issue: 1 Pages: 397-456
- DOI
  10.2140/agt.2019.19.397
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05264
[Journal Article] Link invariants derived from multiplexing of crossings2018
- Author(s)
  Haruko Aida Miyazawa, Kodai Wada, Akira Yasuhara
- Journal Title
  
  Algebraic & Geometric Toplogy
  
  Volume: 18 Issue: 4 Pages: 2497-2507
- DOI
  10.2140/agt.2018.18.2497
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17J08186, KAKENHI-PROJECT-17K05264
[Journal Article] The pass move is an unknotting operation for welded knots2018
- Author(s)
  Takuji Nakamura, Yasutaka Nakanishi, Shin Satoh b, Akira Yasuhara
- Journal Title
  
  Topology and its Applications
  
  Volume: 247 Pages: 9-19
- DOI
  10.1016/j.topol.2018.07.005
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05264, KAKENHI-PROJECT-17K05265, KAKENHI-PROJECT-26287013
[Journal Article] Linking invariants of even virtual links2017
- Author(s)
  Haruko Aida Miyazawa, Kodai Wada and Akira Yasuhara
- Journal Title
  
  Journal of Knot Theory and Its Ramifications
  
  Volume: 26 Issue: 12 Pages: 1750072-1750083
- DOI
  10.1142/s0218216517500729
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05264, KAKENHI-PROJECT-17J08186, KAKENHI-PROJECT-26400098
[Journal Article] Milnor invariants of covering links2017
- Author(s)
  Natsuka Kobayashi, Kodai Wada and Akira Yasuhara
- Journal Title
  
  Topology and its Applications
  
  Volume: 印刷中
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26400081
[Journal Article] Milnor invariants of covering links2017
- Author(s)
  Natsuka Kobayashi, Kodai Wada and Akira Yasuhara
- Journal Title
  
  Topology and Its Applications
  
  Volume: 224 Pages: 60-72
- DOI
  10.1016/j.topol.2017.04.002
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05264, KAKENHI-PROJECT-17J08186
[Journal Article] Milnor invariants of clover links2016
- Author(s)
  Kodai Wada and Akira Yasuhara
- Journal Title
  
  International Journal of Mathematics
  
  Volume: 27 Issue: 13 Pages: 1650108-1650108
- DOI
  10.1142/s0129167x16501081
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26400081
[Journal Article] Milnor invariants of length 2k+2 for links with vanishing Milnor invariants of length≦k2015
- Author(s)
  Yuka Kotorii and Akira Yasuhara
- Journal Title
  
  Topology and its Applications
  
  Volume: 184 Pages: 87-100
- DOI
  10.1016/j.topol.2015.01.003
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26400081
[Journal Article] Abelian quotients of the string link monoid2014
- Author(s)
  Jean-Baptiste Meilhan and Akira Yasuhara
- Journal Title
  
  Algebraic & Geometric Topology
  
  Volume: 14 Issue: 3 Pages: 1461-1488
- DOI
  10.2140/agt.2014.14.1461
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540074
[Journal Article] Local moves for links with common sublinks2013
- Author(s)
  Jean-Baptiste Meilhan, Eri Seida and Akira Yasuhsara
- Journal Title
  
  Topology and its Applications
  
  Volume: 160 Issue: 6 Pages: 836-843
- DOI
  10.1016/j.topol.2013.02.006
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540074
[Journal Article] Milnor invariants and the HOMFLYPT Polynomial2012
- Author(s)
  Jean-Baptiste Meilhan and Akira Yasuhara
- Journal Title
  
  Geometry & Topology
  
  Volume: 16 Issue: 2 Pages: 889-917
- DOI
  10.2140/gt.2012.16.889
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540074
[Journal Article] On non-self local moves2012
- Author(s)
  Y. Nakanishi, T. Shibuya, T. Tsukamoto, and A. Yasuhara
- Journal Title
  
  Journal of Knot Theory and Its Ramifications
  
  Volume: 21-4 Issue: 04 Pages: 125005511-9
- DOI
  10.1142/s0218216511010097
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540081, KAKENHI-PROJECT-22540104, KAKENHI-PROJECT-23540074
[Journal Article] Characterization of finite type string link invariants of degree <52010
- Author(s)
  Jean-Baptiste Meilhan, Akira Yasuhara
- Journal Title
  
  Mathematical Proceedings of the Cambridge Philosophical Society 148
  
  Pages: 439-472
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540065
[Journal Article] Homotopy Delta-equivalence and concordance for knots in the complement of a trivial link2010
- Author(s)
  Thomas Fleming, Tetsuo Shibuya, Tatsuya Tsukamoto, Akira Yasuhara
- Journal Title
  
  Topology and its Applications 157
  
  Pages: 1215-1227
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540065
[Journal Article] Δ-equivalenceand Concordance for knots in the complement of a triviallink2010
- Author(s)
  T.Fleming,T.Shibuya,T.Tsukamoto,A.Yasuhara,Homotopy
- Journal Title
  
  Topologyandits Applications
  
  Volume: 157 Pages: 1215-1227
- URL
  http://www.sciencedirect.com/science/article/pii/S0166864110000611
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540104
[Journal Article] Homotopy : Δ-equivalence and concordance for knots in the complement of atrivial link2010
- Author(s)
  渋谷哲夫、塚本達也、安原晃
- Journal Title
  
  Topology and its Applications
  
  Volume: 157 Pages: 1215-1227
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540104
[Journal Article] Homotopy, Delta-equivalence and concordance for knots in the complement of a trivial link2010
- Author(s)
  Thomas Fleming, Tetsuo Shibuya, Tatsuya Tsukamoto Akira Yasuhara
- Journal Title
  
  Topology and its Applications
  
  Volume: 157 Pages: 1215-1227
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540065
[Journal Article] Characterization of finite type string link invariants of degree <52010
- Author(s)
  Jean-Baptiste Meilhan Akira Yasuhara
- Journal Title
  
  Mathematical Proceedings of the Cambridge Philosophical Society
  
  Volume: 148 Pages: 439-472
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540065
[Journal Article] An estimation of the Ck-unknotting number for a Ck-trivial link2010
- Author(s)
  Teruhisa Kadokami, Akira Yasuhara
- Journal Title
  
  Kobe Journal of Mathematics 27
  
  Pages: 35-46
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540065
[Journal Article] An estimation of the Ck-unknotting number for a Ck-trivial link2010
- Author(s)
  Teruhisa Kadokami Akira Yasuhara
- Journal Title
  
  Kobe Journal of Mathematics
  
  Volume: 27 Pages: 35-46
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540065
[Journal Article] Classification of string links up to self delta-moves and Concordance2009
- Author(s)
  Akira Yasuhara
- Journal Title
  
  Algebraic & Geometric Topology 9
  
  Pages: 265-275
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540065
[Journal Article] Milnor's invariants and self Ck-equivalence2009
- Author(s)
  Thomas Fleming, Akira Yasuhara
- Journal Title
  
  Proceedings of the American Mathematical Society 137
  
  Pages: 761-770
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540065
[Journal Article] Classification of string links up to self delta-moves and concordance2009
- Author(s)
  Akira Yasuhara
- Journal Title
  
  Algebraic & Geometric Topology 265
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540065
[Journal Article] Self delta-equivalence for links whose Milnor's isotopy invariants vanish2009
- Author(s)
  Akira Yasuhara
- Journal Title
  
  Transactions of the American Mathematical Society 361
  
  Pages: 4712-4749
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540065
[Journal Article] On Cn-moves for links2008
- Author(s)
  Jean-Baptiste Meilhan, Akira Yasuhara
- Journal Title
  
  Pacific Journal of Mathematics 238
  
  Pages: 119-143
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540065
[Journal Article] Milnor numbers and self delta classification of 2-string links2007
- Author(s)
  Thomas Fleming and Akira Yasuhara
- Journal Title
  
  ILDT2006, Knots and everything Series 40
  
  Pages: 27-34
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540071
[Journal Article] Boundary links are self delta-equivalent to trivial links2007
- Author(s)
  Tetsuo Shibuya and Akira Yasuhara
- Journal Title
  
  Mathematical Proceedings of the Cambridge Philosophical Society 143
  
  Pages: 449-458
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540071
[Journal Article] Boundary links self delta-equivalent to trivial links2007
- Author(s)
  Tetsuo Shibuya and Akira Yasuhara
- Journal Title
  
  Mathematical Proceedings of the Cambridge Philosophical Society 143
  
  Pages: 449-458
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540071
[Journal Article] Classification of n-component Brunnian links up to Cn-move2006
- Author(s)
  Haruko A. Miyazawa and Akira Yasuhara
- Journal Title
  
  Topology and its Applications 153
  
  Pages: 1643-1650
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540071
[Journal Article] Brunnian local moves of knots and Vassiliev invariants2006
- Author(s)
  Akira Yasuhara
- Journal Title
  
  Fundamenta Mathematicae 190
  
  Pages: 289-297
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540071
[Journal Article] Classification of n-component Brunnian links up to Cn-move2006
- Author(s)
  Haruko A.Miyazawa, Akira Yasuhara
- Journal Title
  
  Topology and its Applications 153
- Data Source
  KAKENHI-PROJECT-18540071
[Journal Article] Linking numbers in rational homology 3-spheres, cyclic branched covers and infinite cyclic covers2004
- Author(s)
  Jozef Przytycki, Akira Yaushara
- Journal Title
  
  Transactions of the American Mathematical Society 356
  
  Pages: 3669-3685
- Data Source
  KAKENHI-PROJECT-15740030
[Journal Article] Self C_κ-move, quasi self C_κ-move and the Conway potential function for links2004
- Author(s)
  Tetsuo Shibuya, Akira Yaushara
- Journal Title
  
  Journal of Knot Theory and Its Ramifications 13
  
  Pages: 877-893
- Data Source
  KAKENHI-PROJECT-15740030
[Journal Article] Cn-move and its duplicated move of links
- Author(s)
  K.Kobayasni, T.Shibuya, Akira Yasuhara
- Journal Title
  
  Journal of Knot Theory and Its Ramifications 掲載決定
- Data Source
  KAKENHI-PROJECT-15740030
[Journal Article] Signature of rotors
- Author(s)
  M.Dabkowski, M.Ishiwata, J.Przytycki, Akira Yasuhara
- Journal Title
  
  Fundamenta mathematicae (掲載予定)
- Data Source
  KAKENHI-PROJECT-15740030
[Journal Article] Self-delta equivalence of cobordant links
- Author(s)
  Y.Nakanishi, T.Shibuya, Akira Yasuhara
- Journal Title
  
  Proceedings of the American Mathematical Society (掲載予定)
- Data Source
  KAKENHI-PROJECT-15740030
[Presentation] Concordance for higher dimensional welded objects and their Milnor invariants2022
- Author(s)
  安原晃
- Organizer
  研究集会「結び目理論」
- Invited
- Data Source
  KAKENHI-PROJECT-21K03237
[Presentation] Higher dimensional welded objects and their Milnor invariants2022
- Author(s)
  安原　晃
- Organizer
  研究集会「拡大KOOKセミナー2021」
- Data Source
  KAKENHI-PROJECT-17K05264
[Presentation] 境界付き曲面絡み目のミルナー不変量と基本群彩色2020
- Author(s)
  安原晃
- Organizer
  2019年度琉球結び目セミナー, 那覇市ぶんかテンブス館
- Data Source
  KAKENHI-PROJECT-17K05264
[Presentation] Burnside groups and n-moves for links2019
- Author(s)
  Akira Yasuhara
- Organizer
  Knots in Washington XLVII
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05264
[Presentation] ウェルデッド絡み目のArrow diagramについて2018
- Author(s)
  安原晃
- Organizer
  東京女子大学トポロジーセミナー
- Invited
- Data Source
  KAKENHI-PROJECT-17K05264
[Presentation] 絡み目のMilnor不変量と2n-move2018
- Author(s)
  安原晃
- Organizer
  研究集会「2018年度琉球結び目セミナー」
- Data Source
  KAKENHI-PROJECT-17K05264
[Presentation] Burnside groups and n-moves for links2018
- Author(s)
  Akira Yasuhara
- Organizer
  Topology Seminar, Institut Fourier
- Data Source
  KAKENHI-PROJECT-17K05264
[Presentation] Arrow calculus for welded links2017
- Author(s)
  Akira Yasuhara
- Organizer
  Topology and Geometry of Low-dimensional Manifolds
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05264
[Presentation] Milnor invariants and the Homflypt polynomial2014
- Author(s)
  Akira Yasuhara
- Organizer
  Low dimensional topology and number theory VI
- Place of Presentation
  福岡ソフトリサーチパークセンター ( 福岡市 )
- Invited
- Data Source
  KAKENHI-PROJECT-23540074
[Presentation] Milnor invariants and the HOMFLYPT polynomial2014
- Author(s)
  Akira Yasuhara
- Organizer
  Low dimensional topology and number theory VI
- Place of Presentation
  福岡ソフトリサーチパークセンター
- Year and Date
  2014-03-21
- Data Source
  KAKENHI-PROJECT-23540074
[Presentation] 絡み目のミルナー不変量について2013
- Author(s)
  安原晃
- Organizer
  香川セミナー(２０周年記念)
- Place of Presentation
  香川大学 ( 高松市 )
- Invited
- Data Source
  KAKENHI-PROJECT-23540074
[Presentation] 絡み目のミルナー不変量とHOMFLYPT多項式2013
- Author(s)
  安原晃
- Organizer
  第60回トポロジーシンポジウム
- Place of Presentation
  大阪市立大学 ( 大阪市 )
- Invited
- Data Source
  KAKENHI-PROJECT-23540074
[Presentation] Ck-concordance group of n-string links2013
- Author(s)
  Akira Yasuhara
- Organizer
  Friday Seminar on Knot Theory
- Place of Presentation
  大阪市立大学 ( 大阪市 )
- Invited
- Data Source
  KAKENHI-PROJECT-23540074
[Presentation] Ck-concordance group of n-string links2013
- Author(s)
  Akira Yasuhara
- Organizer
  Friday Seminar on Knot Theory
- Place of Presentation
  大阪市立大学
- Year and Date
  2013-11-22
- Data Source
  KAKENHI-PROJECT-23540074
[Presentation] Abelian quotients of the string link monoid2013
- Author(s)
  Akira Yasuhara
- Organizer
  Knots in Washington XXXVI
- Place of Presentation
  George Washington University, USA
- Year and Date
  2013-05-05
- Data Source
  KAKENHI-PROJECT-23540074
[Presentation] Abelian quotients of the string link monoid2013
- Author(s)
  Akira Yasuhara
- Organizer
  Knots in Washington XXXVI
- Place of Presentation
  George Washington University ( アメリカ・ワシントンDC )
- Data Source
  KAKENHI-PROJECT-23540074
[Presentation] 絡み目の自己局所変形について2013
- Author(s)
  安原晃
- Organizer
  Knots in East Osaka VI
- Place of Presentation
  大阪工業大学
- Year and Date
  2013-02-23
- Data Source
  KAKENHI-PROJECT-23540074
[Presentation] 絡み目のミルナー不変量とHOMFLYPT 多項式2013
- Author(s)
  安原晃
- Organizer
  第60回トポロジーシンポジウム
- Place of Presentation
  大阪市立大学
- Year and Date
  2013-08-07
- Data Source
  KAKENHI-PROJECT-23540074
[Presentation] 絡み目のミルナー不変量について2013
- Author(s)
  安原晃
- Organizer
  香川セミナー(20周年記念)
- Place of Presentation
  香川大学
- Year and Date
  2013-10-19
- Data Source
  KAKENHI-PROJECT-23540074
[Presentation] Milnor invariants and the HOMFLYPT polynomial2011
- Author(s)
  Akira Yasuhara
- Organizer
  Knots in Washington XXXIII
- Place of Presentation
  George Washington University（ワシントン）
- Data Source
  KAKENHI-PROJECT-23540074
[Presentation] Milnor invariants and the HOMFLYPT polynomial2011
- Author(s)
  Akira Yasuhara
- Organizer
  Knots in Washington XXXIII
- Place of Presentation
  George Washington University, USA
- Year and Date
  2011-12-03
- Data Source
  KAKENHI-PROJECT-23540074
[Presentation] Finite type invariants of string links and the HOMFLYPT polynomial of knots2010
- Author(s)
  安原晃
- Organizer
  Intelligence of Low-dimensional Topology
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2010-06-03
- Data Source
  KAKENHI-PROJECT-20540065
[Presentation] Finite type invariants of string links and the HOMFLYPT polynomial of knots2010
- Author(s)
  安原晃
- Organizer
  Intelligence of Low-dimensional Topology
- Place of Presentation
  京都大学数理解析研究所(京都府)
- Year and Date
  2010-06-03
- Data Source
  KAKENHI-PROJECT-20540065
[Presentation] Classification of string links up to self delta-moves and concordance2009
- Author(s)
  Akira Yasuhara
- Organizer
  Knots in Washington XXVII(3rd Japan-USA Workshop in Knot Theory)
- Place of Presentation
  George Washington University, USA
- Year and Date
  2009-01-10
- Data Source
  KAKENHI-PROJECT-20540065
[Presentation] Classification of string links up to self delta-moves and concordance2009
- Author(s)
  安原晃
- Organizer
  Knots in Washington XXVII (3rd Japan-USA Workshop in Knot Theory)
- Place of Presentation
  George Washington University, USA
- Year and Date
  2009-01-10
- Data Source
  KAKENHI-PROJECT-20540065
[Presentation] Self delta-equivalence for links whose Milnor's isotopy invariants vanish2008
- Author(s)
  Akira Yasuhara
- Organizer
  国際研究集会「The 4th East Asian School of Knots, Links and Related Topics」
- Place of Presentation
  東京大学
- Year and Date
  2008-01-22
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-18540071
[Presentation] Self delta-equivalence for links whose Milnor's isotopy invariants vanish2008
- Author(s)
  Akira Yasuhara
- Organizer
  The 4th East Asian School of Knots, Links and Related Topics
- Place of Presentation
  The University of Tokyo
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540071
[Presentation] Self Delta-equivalence for Links Whose Milnor's Isotopy Invariants Vanish2008
- Author(s)
  Akira Yasuhara
- Organizer
  国際研究集会「The 4th East Asian School of Knots, Links and Related Tbpics」
- Place of Presentation
  東京大学
- Year and Date
  2008-01-22
- Data Source
  KAKENHI-PROJECT-18540071
[Presentation] Self Delta-equivalence for Links Whose Milnor's Isotopy Invariants Vanish2007
- Author(s)
  Akira Yasuhara
- Organizer
  国際研究集会「Knotting Mathematics and Art」
- Place of Presentation
  南フロリダ大学,アメリカ
- Year and Date
  2007-11-02
- Data Source
  KAKENHI-PROJECT-18540071
[Presentation] Claspers and link-homotopy classification of string links2007
- Author(s)
  Akira Yasuhara
- Organizer
  国際研究集会「The 3rh East Asian School of Knots, Links and Related Topics」
- Place of Presentation
  大阪市立大学
- Year and Date
  2007-02-06
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-18540071
[Presentation] Claspers and link-homotopy classification of string links2007
- Author(s)
  Akira Yasuhara
- Organizer
  The 3rh East Asian School of Knots, Links and Related Topics
- Place of Presentation
  Osaka City University
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540071
[Presentation] Self delta-equivalence for links whose Milnor's isotopy invariants vanish2007
- Author(s)
  Akira Yasuhara
- Organizer
  Knotting Mathematics and Art
- Place of Presentation
  South Florida University USA
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18540071
[Presentation] Self delta-equivalence for links whose Milnor's isotopy invariants vanish2007
- Author(s)
  Akira Yasuhara
- Organizer
  国際研究集会「Knotting Mathematics and Art」
- Place of Presentation
  南フロリダ大学,アメリカ
- Year and Date
  2007-11-02
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-18540071
[Presentation] 絡み目の自己局所変形について
- Author(s)
  安原晃
- Organizer
  Knots in east Osaka VI
- Place of Presentation
  大阪工業大学
- Invited
- Data Source
  KAKENHI-PROJECT-23540074

1. SHIBUYA Tetsuo (00162652)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
2. TSUKAMOTO Tatsuya (10350480)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
3. Sakamoto Hiroshi (50315123)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 久保山哲二 (80302660)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 田中心 (70448950)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. GUERVILLE BENOIT

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 中西康剛

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

YASUHARA Akira 安原 晃

安原 晃 ヤスハラ アキラ

Research Projects

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Co-Researchers

球面リンク写像のリンク・ホモトピー不変量の創造Principal Investigator

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Milnor type invariants of surface-links.Principal Investigator

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Diagramtic approach for finite type invariants of welded linksPrincipal Investigator

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複素射影平面上の直線配置と絡み目のミルナー不変量の研究Principal Investigator

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Study on Milnor invariants via finite type invariantsPrincipal Investigator

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Finding new mathematical knot theory using data compression

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Study on the classification of string links up to Cn-concordancePrincipal Investigator

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OnMilnorinvariantsandclassificationoflinksunder freeselfCn-equivalence

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Cn-equivalence on string links and Milnor invariantsPrincipal Investigator

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Milnor invariants and Classifications of links up to self-type local movesPrincipal Investigator

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局所変形で与えられる結び目の同値類のなす群に関する研究Principal Investigator

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空間テータ曲線の局所変形とVassiliev不変量の研究Principal Investigator

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空間グラフに含まれる結び目と絡み目の研究Principal Investigator

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YASUHARA Akira 安原晃

安原晃ヤスハラアキラ