YONEDA Jiryo 米田二良

… Alternative Names

KOMEDA Jiryo 米田二良

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Researcher Number	90162065
External Links
Affiliation (based on the past Project Information) *help	2017 – 2021: 神奈川工科大学, 公私立大学の部局等, 教授 2020: 神奈川工科大学, 基礎・教養教育センター数学系列, 教授 2019: 神奈川工科大学, 神奈川工科大学, 教授 2018: 神奈川工科大学, 基礎・教育センター, 教授 2016: 神奈川工科大学, 神奈川工科大学・基礎・教養教育センター, 教授 … More 2009 – 2016: Kanagawa Institute of Technology, 基礎・教養教育センター, 教授 2015: 神奈川工科大学, 公私立大学の部局等, 教授 2014: 神奈川工科大学, 工学部, 教授 2011: 神奈川工科大学, 工学部, 教授 2001 – 2008: 神奈川工科大学, 工学部, 教授 2005 – 2006: 神奈川工科大学, 基礎・教養教育センター, 教授 1998 – 1999: 神奈川工科大学, 工学部, 教授 Less
Review Section/Research Field	Principal Investigator Algebra / Basic Section 11010:Algebra-related Except Principal Investigator Algebra / Algebra / Basic analysis / Fundamental theory of informatics
Keywords	Principal Investigator 数値半群 / ワイエルシュトラス半群 / 代数曲線 / 平面代数曲線 / 二重被覆 / トーリック曲面 / ２重被覆 / ワイエルシュトラス点 / ３重被覆 / Weierstrass Semigroup … More / Ramification Point / Double Covering of a Curve / Weierstrass Pair / Weierstrass semigroup / Weierstrass Point / Algebraic Curve / Affine Toric Variety / Numerical Semigroup / 曲線の2重被覆 / 平面曲線 / K３曲面 / トーリック多様体 / 有理曲面 / 対称数値半群 / K3曲面 / 有理線織面 / シグマ関数 / ガロア被覆 / 三重被覆 / Galois varieties / Triple covers of curves / Cyclic covers of curves / Toric surfaces / K3 surfaces / Non-singular curves / Numerical semigroups / Weierstrass semigroups / 有理楕円曲面 / 代数曲線の三重被覆 / Almost symmetric 数値半群 / ガロア直線 / Galois Weierstrass点 / Weierstrass半群 / 種数４の代数曲線 / 射影直線の巡回被覆 / 代数曲線の3重被覆 / 2重被覆 / ガロア・ワイエルシュトラス点 / Rational ruled surface / Non-singular curve of genus 9 / Non-singular plane curve / Numerical semigroup / Affine toric variety / Double covering of a curve / Weierstrass point / 2n-半群 / 種数9の曲線 / 曲線の巡回被覆 / 4-半群 / 神奈川工科大学研究報告半群 / アフィン・トーリック多様体 / 種数10の数値半群 / 非特異平面代数曲線 / 種数9の非特異曲線 / 非特異平面曲線 / Triple Covering of a Curve / 分岐点 / ワイエルシュトラス対 / アフィントーラス多様体 / アフィントーリック多様体 / 平面５次曲線 / 平面４次曲線 / Ｋ３曲面 / 非特異代数曲線 … More Except Principal Investigator 代数曲線 / 特殊線形系 / Algebraic Curve / Weierstrass pair / 代数幾何 / Brill-Nother Theory / Special Linear System / Brill-Nother理論 / 正標数 / Hermitian Curve / 国際研究者交流 / 誤り訂正符号 / Hermitian曲線 / 代数曲線符号 / AG Code / Error correcting Code / Special Divisor / 代数幾何符号 / Gonality / 特殊因子 / クリフォード指数 / 自己同型群 / ブリル＝ネーター理論 / gonality 列 / 閉リーマン面 / Weierstrass 点 / 超曲面 / ワイヤストラス半群 / 二重被覆 / ACM ベクトル束 / slope 安定束 / 非特異曲線 / ACM 束 / Lazarsfeld-Mukai 束 / Weierstrass 半群 / K3 曲面 / ガロア群 / 位相幾何 / reflection group / フックス群 / 自己同型 / 計算機 / 鏡映群 / 位相幾何学 / 射影モデル / Hermitian curve / Positive characteristic / Finite field / Coding theory / Algebraic curve / Algebraic geometry / 韓国 / 有限体 / Goppa符号 / 代数曲線論 / 符号理論 / 情報基礎 / 代数学 / BrilI-Nother理論 / 代数曲面 / Brill-Noether理論 / Positive Characteristic / Minimum distance / Two-point code / A Gcode / Error correcting code / 設計距離 / 大韓民国 / 国際情報交換 / 最小距離 / 2点符号 / ブラジル:韓国 / Castelnuovo's bound / Weierstrass Pair / 符号 / 特異因子 / Weierstrass点 / 誤まり訂正符合 / 誤まり訂正符号 / Weierstrass point / コクセター群 / ガロア点 / ワイアシュトラス半群 / 線形系 / 閉 Riemann 面 / ２葉被覆 / bielliptic / 閉 Riemann面 / gonality / リーマン面 / ブリル=ネーター理論 / ブリルニネーター理 / ブリル=ネーター理 Less

The solution of Hurwitz's problem through Galois covers of algebraic curves and study on curves on K3 surfacesPrincipal Investigator
- Principal Investigator
  
  Komeda Jiryo
- Project Period (FY)
  2018 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11010:Algebra-related
- Research Institution
  Kanagawa Institute of Technology
Projective models and automorphism groups on algebraic curves
- Principal Investigator
  
  OHBUCHI Akira
- Project Period (FY)
  2015 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  The University of Tokushima
Research on Hurwitz's problem and K3 surfaces through double covers of curves and symmetric numerical semigroupsPrincipal Investigator
- Principal Investigator
  
  Komeda Jiryo
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kanagawa Institute of Technology
Special linear systems and Weierstrass points on compact Riemann surfaces
- Principal Investigator
  
  Kato Takao
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Yamaguchi University
Applications of researches on automorhisms group of K3 surfaces to the curve theory
- Principal Investigator
  
  Watanabe Kenta
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Osaka University
Linear Systems on Algebraic Curves and its Applications
- Principal Investigator
  
  OHBUCHI Akira
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  The University of Tokushima
Hurwitz' problem through double covers of curves and curves on surfacesPrincipal Investigator
- Principal Investigator
  
  KOMEDA Jiryo
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kanagawa Institute of Technology
Studies on special linear series and Weierstrass points on compact Riemann surfaces
- Principal Investigator
  
  KATO Takao
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Yamaguchi University
Linear Systems and Projective Models on Algebraic Curves
- Principal Investigator
  
  OHBUCHI Akira
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  The University of Tokushima
Hurwitz' problem on Weierstrass points on algebraic curvesPrincipal Investigator
- Principal Investigator
  
  KOMEDA Jiryo
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kanagawa Institute of Technology
Linear Systems on Algebraic Curves and its Applications
- Principal Investigator
  
  OHBUCHI Akira
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  The University of Tokushima
Algebraic Curves and its Applications
- Principal Investigator
  
  OHBUCHI Akira
- Project Period (FY)
  2005 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  The University of Tokushima
Theory of algebraic curves motivated by coding theory
- Principal Investigator
  
  HOMMA Masaaki
- Project Period (FY)
  2005 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kanagawa University
Research on coverings of curves and toric varieties through Weierstrass pointsPrincipal Investigator
- Principal Investigator
  
  KOMEDA Jiryo
- Project Period (FY)
  2005 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kanagawa Institute of Technology
Error correcting codes from the viewpoints of algebraic curves and finite geometry
- Principal Investigator
  
  HOMMA Masaaki
- Project Period (FY)
  2003 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Fundamental theory of informatics
- Research Institution
  Kanagawa University
Special Linear System on an Algebraic Curve and its Application
- Principal Investigator
  
  OHBUCHI Akira
- Project Period (FY)
  2003 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  The University of Tokushima
Algebraic curves through commutative semigroups and its application to toric varietiesPrincipal Investigator
- Principal Investigator
  
  KOMEDA Jiryo
- Project Period (FY)
  2003 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kanagawa Institute of Technology
Theory of algebraic curves with application toward the coding theory
- Principal Investigator
  
  HOMMA Masaaki
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kanagawa University
Study of function fields with particular properties, and its application to coding theory
- Principal Investigator
  
  HOMMA Masaaki
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kanagawa University

[Journal Article] Infinite sequences of almost symmetric non-Weierstrass numerical semigroups2021
- Author(s)
  Jiryo Komeda
- Journal Title
  
  Semigroup Forum
  
  Volume: 103 Issue: 3 Pages: 935-952
- DOI
  10.1007/s00233-021-10230-w
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K03228
[Journal Article] Weierstrass n-semigroups with even n and curves on toric surfaces2021
- Author(s)
  Jiryo Komeda
- Journal Title
  
  Journal of Pure and Applied Algebra
  
  Volume: 225 Issue: 12 Pages: 1-23
- DOI
  10.1016/j.jpaa.2021.106759
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03228, KAKENHI-PROJECT-20K03562
[Journal Article] The sigma function over a family of cyclic trigonal curves with a singular fiber2021
- Author(s)
  Yuri Fedorov, Jiryo Komeda, Shigeki Matsutani, Emma Previato and Kazuhiko Aomoto
- Journal Title
  
  Israel Journal of Mathematics
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03228
[Journal Article] Quasi-symmetric numerical semigroups on triple covers of curves2021
- Author(s)
  Jiryo Komeda
- Journal Title
  
  RIMS Kokyuroku
  
  Volume: 2193 Pages: 1-5
- NAID
  40022716076
- Data Source
  KAKENHI-PROJECT-18K03228
[Journal Article] Jacobi Inversion Formulae for a Curve in Weierstrass Normal Form2020
- Author(s)
  Jiryo Komeda and Shigeki Matsutani
- Journal Title
  
  London Mathematical Society, Lecture Note Series
  
  Volume: 459 Pages: 383404-383404
- DOI
  10.1017/9781108773355.013
- ISBN
  9781108773355, 9781108715775
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03228
[Journal Article] Weierstrass semigroups on double covers of plane curves of degree 72020
- Author(s)
  Jiryo Komeda
- Journal Title
  
  Research Reports of Kanagawa Institute of Technology Part B
  
  Volume: 44 Pages: 2936-2936
- NAID
  120006875555
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03228
[Journal Article] Infinite sequences of non-Weierstrass numerical semigroups with odd conductor2019
- Author(s)
  Jiryo Komeda
- Journal Title
  
  RIMS講究録
  
  Volume: 2130 Pages: 5256-5256
- NAID
  120006888040
- Data Source
  KAKENHI-PROJECT-18K03228
[Journal Article] Non-Weierstrass numerical semigroups with high conductor2019
- Author(s)
  Jiryo Komeda
- Journal Title
  
  Research Reports of Kanagawa Institute of Technology
  
  Volume: B-43 Pages: 3943-3943
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03228
[Journal Article] Weierstrass semigroups satisfying the MP equalities and curves on toric surfaces2019
- Author(s)
  Ryo Kawaguchi and Jiryo Komeda
- Journal Title
  
  Bulletin of the Brazilian Mathematical Society, New Series
  
  Volume: 印刷中 Issue: 1 Pages: 107123-107123
- DOI
  10.1007/s00574-019-00145-0
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03228, KAKENHI-PROJECT-17K14172
[Journal Article] Double covers of plane curves of degree six with almost total flexes2019
- Author(s)
  Seon Jeong Kim and Jiryo Komeda
- Journal Title
  
  Bull. Korean Math. Soc.
  
  Volume: 印刷中
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03228
[Journal Article] Double covers of plane curves of degree six with almost total flexes2019
- Author(s)
  Seon Jeong Kim and Jiryo Komeda
- Journal Title
  
  Bulletin of the Korean Mathematical Society
  
  Volume: 56 Pages: 11591186-11591186
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03228
[Journal Article] The sigma function for trigonal cyclic curves2019
- Author(s)
  Jiryo Komeda, Shigeki Matsutani and Emma Previato
- Journal Title
  
  Lett. Math. Phys.
  
  Volume: 109 Issue: 2 Pages: 423447-423447
- DOI
  10.1007/s11005-018-1116-6
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03228
[Journal Article] Curves on weighted K3 surfaces of degree two with symmetric Weierstrass semigroups2019
- Author(s)
  Jiryo Komeda and Makiko Mase
- Journal Title
  
  Tsukuba Journal of Mathematics
  
  Volume: 43 Issue: 1 Pages: 5569-5569
- DOI
  10.21099/tkbjm/1571968821
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03228
[Journal Article] Diagrams of numerical semigroups whose general members are non-Weierstrass2018
- Author(s)
  Jiryo Komeda
- Journal Title
  
  RIMS Kokuroku
  
  Volume: 2096 Pages: 5458-5458
- Data Source
  KAKENHI-PROJECT-18K03228
[Journal Article] The Sigma-function of cyclic trigonal curves2018
- Author(s)
  Jiryo Komeda, Emma Previato and Shigeki Matsutani
- Journal Title
  
  Letters in Mathematical Physics
  
  Volume: 印刷中
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04830
[Journal Article] Weierstrass semigroups on double covers of plane curves of degree six with total flexes2018
- Author(s)
  Seon Jeong Kim and Jiryo Komeda
- Journal Title
  
  Bull. Korean Math. Soc.
  
  Volume: 55 Pages: 611-624
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04830
[Journal Article] Pseudo-Frobenius numbers of numerical semigroups with high conductor2018
- Author(s)
  Jiryo Komeda
- Journal Title
  
  神奈川工科大学研究報告
  
  Volume: B-42 Pages: 41-46
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04830
[Journal Article] Weierstrass semigroups of ramification points on double covers of curves over ordinary points2017
- Author(s)
  Jiryo Komeda
- Journal Title
  
  神奈川工科大学研究報告
  
  Volume: B-41 Pages: 1-4
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K04830
[Journal Article] On γ-hyperellipｔic Weierstrass semigroups of genus 6γ+1 and 6γ2017
- Author(s)
  Jiryo Komeda and Akira Ohbuchi
- Journal Title
  
  Bulletin of the Brazilian Mathematical Society
  
  Volume: 印刷中 Issue: 2 Pages: 209-218
- DOI
  10.1007/s00574-016-0002-z
- NAID
  120006802068
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K04830, KAKENHI-PROJECT-15K04822
[Journal Article] Numerical semigroups and triple cyclic covers of curves2017
- Author(s)
  Jiryo Komeda
- Journal Title
  
  RIMS Kokyuroku
  
  Volume: 2051 Pages: 116-119
- Data Source
  KAKENHI-PROJECT-15K04830
[Journal Article] Relating Galois points to weak Galois Weierstrass points through double coverings of curves2017
- Author(s)
  Jiryo Komeda and Takeshi Takahashi
- Journal Title
  
  J. Korean Math. Soc.
  
  Volume: 54 Issue: 1 Pages: 69-86
- DOI
  10.4134/jkms.j150593
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K04830, KAKENHI-PROJECT-16K05094
[Journal Article] The Weierstrass Semigroups on Double Cver of genus Two Curves2016
- Author(s)
  Akira Ohbuchi and Jiryo Komeda
- Journal Title
  
  Tukuba Journal of Mathematics
  
  Volume: vol.38 Pages: 201-206
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04822
[Journal Article] The Riemann constant for a non-symmetric Weierstrass semigroup2016
- Author(s)
  Jiryo Komeda, Shigeki Matsutani and Emma Previato
- Journal Title
  
  Archiv der Mathematik
  
  Volume: 107 Issue: 5 Pages: 499-509
- DOI
  10.1007/s00013-016-0962-7
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04830, KAKENHI-PROJECT-16K05187
[Journal Article] The proportion of numerical semigroups with high conductor2016
- Author(s)
  Jiryo Komeda
- Journal Title
  
  Research Reports of Kanagawa Institute of Technology Part B
  
  Volume: 40 Pages: 7-9
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K04830
[Journal Article] Numerical semigroups attained by double covers of plane curves of degree six2016
- Author(s)
  Jiryo Komeda
- Journal Title
  
  RIMS Kokyuroku
  
  Volume: 2008 Pages: 100-106
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K04830
[Journal Article] Relating Galois points to weak Galois Weierstrass points through double coverings of curves2016
- Author(s)
  Jiryo Komeda and Takeshi Takahashi
- Journal Title
  
  Journal of Korean Mathematical Society
  
  Volume: 印刷中
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K04830
[Journal Article] On extensions of a double covering of plane curves and Weierstrass semigroups of the double covering type2015
- Author(s)
  Jiryo Komeda, Kenta Watanabe
- Journal Title
  
  Semigroup Forum
  
  Volume: 印刷中 Issue: 2 Pages: 517-523
- DOI
  10.1007/s00233-015-9718-0
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24540057, KAKENHI-PROJECT-25400039, KAKENHI-PROJECT-15K04830
[Journal Article] Numerical semigroups of genus seven and double coverings of curves of genus three2015
- Author(s)
  Takeshi Harui, Jiryo Komeda
- Journal Title
  
  Semigroup Forum
  
  Volume: 90 Issue: 2 Pages: 491-502
- DOI
  10.1007/s00233-014-9621-0
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540057
[Journal Article] Numerical semigroups of genus six and double coverings of curves of genus three2015
- Author(s)
  Takeshi Harui, Jiryo Komeda
- Journal Title
  
  Semigroup Forum
  
  Volume: 印刷中 Issue: 3 Pages: 601-610
- DOI
  10.1007/s00233-014-9671-3
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540057, KAKENHI-PROJECT-15K04830
[Journal Article] Numerical semigroups which are not the Weierstrass semigroups on double covers of plane curves2015
- Author(s)
  Jiryo Komeda
- Journal Title
  
  神奈川工科大学研究報告 B　理工学編
  
  Volume: 39 Pages: 45-50
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540057
[Journal Article] Quasi-symmetric numerical semigroups and double covers of curves2015
- Author(s)
  Jiryo Komeda
- Journal Title
  
  RIMS Kokyuroku
  
  Volume: 1964 Pages: 55-60
- Data Source
  KAKENHI-PROJECT-15K04830
[Journal Article] Weierstrass semigroups on double covers of plane curves of degree 52015
- Author(s)
  Seon Jeong Kim and Jiryo Komeda
- Journal Title
  
  Kodai Mathematical Journal
  
  Volume: 38 Pages: 270-288
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04830
[Journal Article] The Weierstrass Semigroups on Double Cver of genus Two Curves2014
- Author(s)
  Akira Ohbuchi, Jiryo Komeda
- Journal Title
  
  Tukuba Journal of　Mathematics
  
  Volume: 30 Pages: 43-54
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540042
[Journal Article] Numerical semigroups and affine spaces2014
- Author(s)
  Jiryo Komeda
- Journal Title
  
  神奈川工科大学研究報告
  
  Volume: 38 Pages: 15-19
- NAID
  120005436444
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540057
[Journal Article] The proportion of numerical semigroups with no descendant or an infinite number of descendants2014
- Author(s)
  Jiryo Komeda
- Journal Title
  
  数理解析研究所講究録
  
  Volume: 1915 Pages: 53-57
- Data Source
  KAKENHI-PROJECT-24540057
[Journal Article] Weierstrass semigroups on double covers of genus four curves2014
- Author(s)
  Seon Jeong Kim, Jiryo Komeda
- Journal Title
  
  Journal of Algebra
  
  Volume: 405 Pages: 142-167
- DOI
  10.1016/j.jalgebra.2014.02.006
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540057
[Journal Article] Sequences of Weierstrass semigroups2014
- Author(s)
  Jiryo Komeda
- Journal Title
  
  代数幾何ミニ研究集会 2013 報告集
  
  Volume: １ Pages: 95-101
- Data Source
  KAKENHI-PROJECT-24540057
[Journal Article] Numerical semigroups of genus eight and double coverings of curves of genus three2014
- Author(s)
  Takeshi Harui, Jiryo Komeda
- Journal Title
  
  Semigroup Forum
  
  Volume: 未定 Issue: 3 Pages: 571-581
- DOI
  10.1007/s00233-014-9590-3
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540057
[Journal Article] The Weierstrass semigroups on double covers of genus two curves2014
- Author(s)
  Takeshi Harui, Jiryo Komeda, Akira Ohbuchi
- Journal Title
  
  Tsukuba Journal of Mathematics
  
  Volume: 38 Pages: 201-206
- NAID
  120006772024
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24540057
[Journal Article] The parents of Weierstrass semigroups and non-Weierstrass semigroups2014
- Author(s)
  Jiryo Komeda
- Journal Title
  
  数理解析研究所講究録
  
  Volume: 1873 Pages: 1-6
- Data Source
  KAKENHI-PROJECT-24540057
[Journal Article] The sigma functions for Weierstrass semigroups <3,7,8> and <6,13,14,15,16>2013
- Author(s)
  Jiryo Komeda, Shigeki Matsutani, Emma Previato
- Journal Title
  
  International Journal of Mathematics
  
  Volume: 24 Issue: 11 Pages: 1-58
- DOI
  10.1142/s0129167x13500857
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540057
[Journal Article] Diagrams of Buchweitz numerical semigroups2013
- Author(s)
  Jiryo Komeda
- Journal Title
  
  神奈川工科大学研究報告
  
  Volume: B-37 Pages: 11-15
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540057
[Journal Article] Double coverings of curves and non-Weierstrass semigroups2013
- Author(s)
  Jiryo Komeda
- Journal Title
  
  Communications in Algebra
  
  Volume: 41 Issue: 1 Pages: 312-324
- DOI
  10.1080/00927872.2011.629324
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540057
[Journal Article] Sigma functions for a space curve of type <3,4,5>2013
- Author(s)
  Jiryo Komeda, Shigeki Matsutani
- Journal Title
  
  Journal of Geometry and Symmetry in Phisics
  
  Volume: 30 Pages: 75-91
- DOI
  10.7546/jgsp-30-2013-75-91
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540057
[Journal Article] The fractional map by two and the parent map of numerical semigroups2012
- Author(s)
  Jiryo Komeda
- Journal Title
  
  数理解析研究所講究録
  
  Volume: 1809 Pages: 198-204
- Data Source
  KAKENHI-PROJECT-24540057
[Journal Article] Weierstrass gap sequences at points of curves on some rational surfaces2012
- Author(s)
  J. Komeda, A. Ohbuchi
- Journal Title
  
  Tsukuba J. Math
  
  Volume: 36, no. 2 Pages: 217-233
- NAID
  120006582861
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540209
[Journal Article] Weierstrass gap sequences at points of curves on some rational surfaces2012
- Author(s)
  Akira Ohbuchi, Jiryo Komeda
- Journal Title
  
  Tsukuba Journal of Mathematics
  
  Volume: (to appear)
- NAID
  120006582861
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540043
[Journal Article] Weierstrass gap sequences at points of curves on some rational surfaces2012
- Author(s)
  Jiryo Komeda, Akira Ohbuchi
- Journal Title
  
  Tsukuba Journal of Mathematics
  
  Volume: 36 Pages: 217-233
- NAID
  120006582861
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540057
[Journal Article] Symmetric Weierstrass numerical semigroups whose quotients by two are also symmetric and Weierstrass2012
- Author(s)
  J. Komeda
- Journal Title
  
  神奈川工科大学研究報告
  
  Volume: B-36 Pages: 35-39
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] On quasi-symmetric numerical semigroups2011
- Author(s)
  J. Komeda
- Journal Title
  
  神奈川工科大学研究報告
  
  Volume: B-35 Pages: 17-21
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] On Weierstrass semigroups of double cov- erings of genus three curves2011
- Author(s)
  J. Komeda
- Journal Title
  
  Semigroup Forum
  
  Volume: 83, no. 3 Pages: 479-488
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540209
[Journal Article] On quasi-symmetric numerical semigroups2011
- Author(s)
  Jiryo Komeda
- Journal Title
  
  Research Reports of Kanagawa Institute of Technology
  
  Volume: B-35 Pages: 17-21
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] On Weierstrass semigroups of double coverings of genus three curves2011
- Author(s)
  J. Komeda
- Journal Title
  
  Semigroup Forum
  
  Volume: 83 Pages: 479-488
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] Numerical semigroups of double covering type and Hurwitz's problem2011
- Author(s)
  Jiryo Komeda
- Journal Title
  
  数理解析研究所講究録
  
  Volume: 1,769 Pages: 60-65
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] On Weierstrass semigroups of double coverings of genus three curves2011
- Author(s)
  Jiryo Komeda
- Journal Title
  
  Semigroup Forum
  
  Volume: 83 Pages: 279-288
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] Numerical semigroups of double covering type and Hurwitz' problem2011
- Author(s)
  J. Komeda
- Journal Title
  
  数理解析研究所講究録
  
  Volume: 1769 Pages: 60-65
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] The numerical semigroup of toric type at a ramification point on a double covering of a curve2010
- Author(s)
  Jiryo Komeda
- Journal Title
  
  神奈川工科大学研究報告 B理工学編 34
  
  Pages: 57-62
- NAID
  40017039987
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] Quotient curves of smooth plane curves with automorphisms2010
- Author(s)
  Takeshi Harui, Takao Kato, Jiryo Komeda, Akira Ohbuchi
- Journal Title
  
  Kodai Mathematical Journal 33
  
  Pages: 164-172
- NAID
  130004687928
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] The numerical semigroup of toric type at a ramification point on a double covering of a curve2010
- Author(s)
  J. Komeda
- Journal Title
  
  神奈川工科大学研究報告
  
  Volume: B-34 Pages: 57-62
- NAID
  40017039987
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] The Parents and the Children of Non-Weierstrass Semigroups2010
- Author(s)
  J. Komeda
- Journal Title
  
  数理解析研究所講究録
  
  Volume: 1712 Pages: 58-63
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] Quotient curves of smooth plane curves with automorphisms2010
- Author(s)
  G. Harui, T. Kato, J. Komeda, A. Ohbuchi
- Journal Title
  
  Kodai Mathematical Journal
  
  Volume: 33 Pages: 164-172
- NAID
  130004687928
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] The Weierstrass semigroups on the quotient curve of a plane curve of degree<=7 by an involution2009
- Author(s)
  J. Komeda, S. J. Kim
- Journal Title
  
  J. Algebra
  
  Volume: 322 Pages: 137-152
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] The Weierstrass semigroups on the quotient curve of a plane curve of degree<=7 by an involution2009
- Author(s)
  Seon Jeong Kim, Jiryo Komeda
- Journal Title
  
  Journal of Algebra 322
  
  Pages: 137-152
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] A generalization of Weierstrass semigroups on a double covering of a curve2009
- Author(s)
  J. Komeda
- Journal Title
  
  数理解析研究所講究録
  
  Volume: 1655 Pages: 124-131
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] Weierstrass semigroups on a double covering of a curve of lower genus2009
- Author(s)
  J. Komeda
- Journal Title
  
  電子報告集代数幾何ミニ研究集会(埼玉大学)
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] A generalization of Weierstrass semigroups on a double covering of a curve2009
- Author(s)
  Jiryo Komeda
- Journal Title
  
  数理解析研究所講究録 1655
  
  Pages: 124-131
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] On double coverings of a pointed non-singular curve with any Weierstrass semigroup2007
- Author(s)
  J.Komeda, A.Ohbuchi
- Journal Title
  
  To appear in Tsukuba Journal of Mathematics 31
- NAID
  120005367991
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] On double coverings of a pointed non-singular curve with any Weierstrass semigroup2007
- Author(s)
  J.Komeda, A.Ohbuchi
- Journal Title
  
  Tsukuba Journal of Mathematics 31(To appear in)
- NAID
  120005367991
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] Weierstrasse points on a non-singular plane curve of degree 72007
- Author(s)
  Seon Jeong Kim, Jiryo Komeda
- Journal Title
  
  神奈川工科大学研究報告 B理工学編 31
  
  Pages: 29-34
- NAID
  110006424289
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] On double coverings of a pointed non-singular curve with any Weierstrasse semigroup2007
- Author(s)
  Jiryo Komeda, Ohbuchi Akira
- Journal Title
  
  Tsukuba Journal of Mathematics 31(To appear)
- NAID
  120005367991
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] Weierstrass points on a non-singular plane curve of degree 72007
- Author(s)
  S.J.Kim, J.Komeda
- Journal Title
  
  Research Reports of Kanagawa Institute of Technology B-31
  
  Pages: 29-34
- NAID
  110006424289
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] Weierstrass points on a non-singular plane curve of degree 72007
- Author(s)
  S.J.Kim, J.Komeda
- Journal Title
  
  神奈川工科大学研究報告 B(理工学編) 31
  
  Pages: 29-34
- NAID
  110006424289
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] On numerical semigroups of genus 92006
- Author(s)
  J.Komeda
- Journal Title
  
  RIMS Kokyuroku 1503
  
  Pages: 70-75
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] A semigroup at a pair of Weierstrass points on a cyclic 4-gonal curve and a bielliptic curve2006
- Author(s)
  M.Homma, S.J.Kim, J.Komeda
- Journal Title
  
  J. Algebra 305
  
  Pages: 1-17
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540045
[Journal Article] On 7-semigroups of genus 9 generated by 5 elements2006
- Author(s)
  J.Komeda
- Journal Title
  
  神奈川工科大学研究報告 B(理工学編) 30
  
  Pages: 91-100
- NAID
  110006175660
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] A semigroup at a pair of Weierstrass points on a cyclic 4-gonal curve and a bielliptic curve2006
- Author(s)
  M.Homma, S.J.Kim, J.Komeda
- Journal Title
  
  Journal of Algebra 305
  
  Pages: 1-17
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] On numerical semigroups of genus 92006
- Author(s)
  Jiryo Komeda
- Journal Title
  
  京都大学数理解析研究所講究録 1503
  
  Pages: 70-75
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] On 7-semigroups of genus 9 generated by 5 elements2006
- Author(s)
  J.Komeda
- Journal Title
  
  Research Reports of Kanagawa Institute of Technology B-30
  
  Pages: 91-100
- NAID
  110006175660
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] On numerical semigroups of genus 92006
- Author(s)
  J.Komeda
- Journal Title
  
  数理解析研究所講究録 1503
  
  Pages: 70-75
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] Corrigendum for Weierstrass points with first non-gap four on a double covering of a hyperelliptic curve2006
- Author(s)
  J.Komeda, A.Ohbuchi
- Journal Title
  
  Serdica Mathematical Journal 32
  
  Pages: 375-378
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] A semigroup at a pair of Weierstrass points on a cyclic 4-gonal curve and a bielliptic curve2006
- Author(s)
  M.Homma, S.J.Kim, J.Komeda
- Journal Title
  
  J. Algebra 306
  
  Pages: 1-17
- Data Source
  KAKENHI-PROJECT-17540045
[Journal Article] On 7-semigroups of genus 9 generated by 5 elements2006
- Author(s)
  Jiryo Komeda
- Journal Title
  
  Research Reports of Kanagawa Institute of Technology B-30
  
  Pages: 91-100
- NAID
  110006175660
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] Corrigendum for Weierstrasse points with first non-gap four on a double covering of a hyperelliptic curve2006
- Author(s)
  Jiryo Komeda, Akira Ohbuchi
- Journal Title
  
  Serdica Mathematical Journal 32
  
  Pages: 375-378
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] On7-semigroups generated by 4 elements2005
- Author(s)
  Jiryo Komeda
- Journal Title
  
  Research Reports of Kanagawa Institute of Technology B-29
  
  Pages: 103-111
- Data Source
  KAKENHI-PROJECT-15540051
[Journal Article] On Weierstrass 7-semigroups2005
- Author(s)
  J.Komeda
- Journal Title
  
  数理解析研究所講究録 1437
  
  Pages: 136-144
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] On 7-semigroups generated by 4 elements2005
- Author(s)
  J.Komeda
- Journal Title
  
  神奈川工科大学研究報告B理工学編 29
  
  Pages: 103-111
- NAID
  110006175628
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15540051
[Journal Article] Remarks on Weierstrass 6-semigroups2005
- Author(s)
  Jiryo Komeda
- Journal Title
  
  KMITL Science Journal 5
  
  Pages: 181-189
- Data Source
  KAKENHI-PROJECT-15540051
[Journal Article] On Weierstrass 7-semigroups2005
- Author(s)
  Jiryo Komeda
- Journal Title
  
  数理解析研究所講究録 1437
  
  Pages: 136-144
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] The Weierstrass semigroup of a pair of Galois Weierstrass points with prime degree2005
- Author(s)
  S.J.Kim, J.Komeda
- Journal Title
  
  Bulletin of the Brazilian Mathematical Society 36
  
  Pages: 127-142
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15540051
[Journal Article] On Weierstrass 7-semigroups2005
- Author(s)
  J.Komeda
- Journal Title
  
  RIMS Kokyuroku 1437
  
  Pages: 136-144
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] Remarks on Weierstrass 6-semigroups2005
- Author(s)
  J.Komeda
- Journal Title
  
  KMITL Science Journal 5
  
  Pages: 181-189
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15540051
[Journal Article] The Weierstrass semigroup of a pair of Galois Weierstrass points with prime degree on a curve2005
- Author(s)
  Seon Jeong Kim, Jiryo Komeda
- Journal Title
  
  Bulletin of the Brazilian Mathematical Society 36
  
  Pages: 127-142
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] On 7-semigroups generated by 4 elements2005
- Author(s)
  J.Komeda
- Journal Title
  
  Research Reports of Kanagawa Institute of Technology B-29
  
  Pages: 103-111
- NAID
  110006175628
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540051
[Journal Article] The Weierstrass semigroup of a pair of Galois Weierstrass points with prime degree on a curve2005
- Author(s)
  S.J.Kim, J.Komeda
- Journal Title
  
  Bulletin of the Brazilian Mathematical Society
  
  Pages: 127-142
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540051
[Journal Article] A generalization of a non-symmetric numerical semigroup generated by three elements2004
- Author(s)
  Jiryo Komeda
- Journal Title
  
  数理解析研究所講究録 1336
  
  Pages: 121-128
- NAID
  110000507228
- Data Source
  KAKENHI-PROJECT-15540051
[Journal Article] Affine toric varieties whose specializations are the monomial curves of 6-semigroups2004
- Author(s)
  J.Komeda
- Journal Title
  
  Proceedings of the Seventh Symposium on Algebra, Languages and Computation
  
  Pages: 71-78
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540051
[Journal Article] A generalization of a non-symmetric numerical semigroup generated by three elements2004
- Author(s)
  J.Komeda
- Journal Title
  
  数理解析研究所講究禄 1366
  
  Pages: 121-128
- NAID
  110000507228
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15540051
[Journal Article] On 6-semigroups generated by 4 elements from which affine toric varieties can be constructed2004
- Author(s)
  J.Komeda
- Journal Title
  
  神奈川工科大学研究報告B理工学編 28
  
  Pages: 79-85
- NAID
  110006175604
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15540051
[Journal Article] Affine toric varieties whose specializations are the monomial curves of 6-semigroups2004
- Author(s)
  Jiryo Komeda
- Journal Title
  
  Proceedings of the seventh symposium on Algebra, Languages and computation
  
  Pages: 71-78
- Data Source
  KAKENHI-PROJECT-15540051
[Journal Article] A generalization of a non-symmetric numerical semigroup generated by three elements2004
- Author(s)
  J.Komeda
- Journal Title
  
  RIMS Kokyuroku 1366
  
  Pages: 121-128
- NAID
  110000507228
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540051
[Journal Article] Weierstrass Points with First Non-gap Four on a Double Covering of a Hyperelliptic Curve2004
- Author(s)
  J.Komeda, A.Ohbuchi
- Journal Title
  
  Serdica Mathematical Journal 30
  
  Pages: 43-54
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540051
[Journal Article] Weiersrass points with first non-gap four on a double covering of a hyperelliptic curve2004
- Author(s)
  Jiryo Komeda, Akira Ohbuchi
- Journal Title
  
  Serdica Mathematical Journal 30
  
  Pages: 43-54
- Data Source
  KAKENHI-PROJECT-15540051
[Journal Article] On 6-semigroups generated by 4 elements from which affine toric varieties can be constructed2004
- Author(s)
  J.Komeda
- Journal Title
  
  Research Reports of Kanagawa Institute of Technology B-28
  
  Pages: 79-85
- NAID
  110006175604
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540051
[Journal Article] Weierstrass points with first non-gap four on a double covering of a hyperelliptic curve2004
- Author(s)
  J.Komeda, A.Ohbuchi
- Journal Title
  
  Serdica Mathematical Journal 30
  
  Pages: 43-54
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15540051
[Journal Article] The Weierstrass semigroup of a pair of Galois Weierstrass points with prime degree on a curve
- Author(s)
  Jiryo Komeda, Seon Jeong Kim
- Journal Title
  
  Bulletin of the Brazilian Mathematical Society (To appear)
- Data Source
  KAKENHI-PROJECT-15540051
[Journal Article] Weierstrass gap sequences at points of curves on some rational surfaces
- Author(s)
  J. Komeda, A. Ohbuchi
- Journal Title
  
  Tsukuba J. of Math
- NAID
  120006582861
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] On double coverings of a pointed non-singular curve with any Weier strass semigroup
- Author(s)
  J.Komeda, A.Ohbuchi
- Journal Title
  
  in Tsukuba J.Math. (印刷中)(To appear)
- NAID
  120005367991
- Data Source
  KAKENHI-PROJECT-17540030
[Journal Article] Weierstrass semigroups whose minimum positive integers are even
- Author(s)
  J.Komeda
- Journal Title
  
  To appear in Archiv der Mathematik
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] Weierstrasse semigroups whose minimum positive integers are even
- Author(s)
  Jiryo Komeda
- Journal Title
  
  Archiv der Mathematik To appear
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] On double coverings of a pointed non-singular curve with any Weierstrass semigroup
- Author(s)
  Jiryo Komeda, Akira Ohbuchi
- Journal Title
  
  Tsukuba Journal of Mathematics (To appear)
- NAID
  120005367991
- Data Source
  KAKENHI-PROJECT-17540046
[Journal Article] Double coverings of curves and non-Weierstrass semigroups
- Author(s)
  J. Komeda
- Journal Title
  
  Communications in Algebra
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540052
[Journal Article] On double coverings of a pointed non-singular curve with any VVeier strass semigroup
- Author(s)
  J.Komeda, A.Ohbuchi
- Journal Title
  
  Tsukuba J. Math. (印刷中)(To appear)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540030
[Journal Article] On double coverings of a pointed non-singular curve with any Weierstrass semigroup
- Author(s)
  Komeda, J, Ohbuchi, A.
- Journal Title
  
  Tsukuba Journal (to appear)
- NAID
  120005367991
- Data Source
  KAKENHI-PROJECT-17540030
[Journal Article] Weierstrass semigroups whose minimum positive integers are even
- Author(s)
  J.Komeda
- Journal Title
  
  Archiv der Mathematik (To appear in)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540046
[Presentation] On Weierstrass numerical semigroups generated by four elements2022
- Author(s)
  Jiryo Komeda
- Organizer
  京都大学数理解析研究所RIMS共同研究(公開型)「論理・代数系・言語と計算機科学の周辺領域」
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03228
[Presentation] Quasi-symmetric numerical semigroups on triple covers of curves2021
- Author(s)
  Jiryo Komeda
- Organizer
  RIMS Workshop"Logic, Language, Algebraic system and Related Areas in Computer Science
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03228
[Presentation] Weierstrass semigrops which cannot be realized as semigroups of pointed curves on toric surfaces2020
- Author(s)
  Jiryo Komeda
- Organizer
  形式言語とオートマトン研究会
- Data Source
  KAKENHI-PROJECT-18K03228
[Presentation] Weierstrass semigroups on double covers of plane curves of degree 72020
- Author(s)
  Jiryo Komeda
- Organizer
  Workshop "Algebraic system, Logic, Language and Related Areas in Computer Science II"
- Data Source
  KAKENHI-PROJECT-18K03228
[Presentation] Hurwitz's problem concerning almost symmetric numerical semigroups generated by 4 elements2019
- Author(s)
  Jiryo Komeda
- Organizer
  形式言語とオートマトン研究会
- Data Source
  KAKENHI-PROJECT-18K03228
[Presentation] Infinite sequences of non-Weierstrass numerical semigroups with odd conductor2019
- Author(s)
  Jiryo Komeda
- Organizer
  RIMS Workshop "Algebraic system, Logic, Language and Related Areas in Computer Science"
- Data Source
  KAKENHI-PROJECT-18K03228
[Presentation] Curves on weighted K3 surfaces of degree two with symmetric Weierstrass semigroups2019
- Author(s)
  Jiryo Komeda
- Organizer
  特異点論月曜セミナー
- Data Source
  KAKENHI-PROJECT-18K03228
[Presentation] Diagrams of numerical semigroups whose general members are non-Weierstrass2018
- Author(s)
  Jiryo komeda
- Organizer
  「代数系、論理、言語とその周辺領域」共同研究（公開型）
- Data Source
  KAKENHI-PROJECT-15K04830
[Presentation] On σ function for the curve, y^3=x(x-s)(x-b_1)(x-b_2) and its limit of s ->02018
- Author(s)
  松谷茂樹、米田ニ良、Emma Previato
- Organizer
  日本数学会秋季総合分科会
- Data Source
  KAKENHI-PROJECT-18K03228
[Presentation] Jacobi inversion formulae for a compact Riemann surface via Weierstrass form2018
- Author(s)
  松谷茂樹、米田ニ良
- Organizer
  日本数学会秋季総合分科会
- Data Source
  KAKENHI-PROJECT-18K03228
[Presentation] Numerical semigroups of double covering type and tetragonal curves2018
- Author(s)
  米田ニ良
- Organizer
  形式言語とオートマトン研究会
- Data Source
  KAKENHI-PROJECT-18K03228
[Presentation] The quotient of a numerical semigroup with high conductor by two or three2018
- Author(s)
  Jiryo Komeda
- Organizer
  DLT Satellite Workshop in Kyoto
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03228
[Presentation] Numerical semigroups with high conductor2017
- Author(s)
  Jiryo Komeda
- Organizer
  Mini Workshop 2017 on Algebraic Systems and Theoretical Computer Science
- Place of Presentation
  京都産業大学
- Year and Date
  2017-02-23
- Data Source
  KAKENHI-PROJECT-15K04830
[Presentation] Numerical semigroups with high conductor and Galois covers of curves2017
- Author(s)
  Jiryo Komeda
- Organizer
  KIAS Seminars
- Data Source
  KAKENHI-PROJECT-15K04830
[Presentation] Weierstrass semigroups on Galois covers of degree two or three2017
- Author(s)
  Jiryo Komeda
- Organizer
  10th Workshop on Galois point and related topics
- Data Source
  KAKENHI-PROJECT-15K04830
[Presentation] Numerical semigroups gained by dividing numerical semigroups by three2017
- Author(s)
  Jiryo Komeda
- Organizer
  形式言語とオートマトン研究会　Nagaokakyo Seminar
- Data Source
  KAKENHI-PROJECT-15K04830
[Presentation] Numerical semigroups and cyclic triple covers of curves2017
- Author(s)
  Jiryo Komeda
- Organizer
  「言語、論理、代数系と計算機科学の展開」研究集会
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2017-02-20
- Data Source
  KAKENHI-PROJECT-15K04830
[Presentation] Almost symmetric numerical semigroups of multiplicity 4 or 6 from a view point of algebraic curves2016
- Author(s)
  Jiryo Komeda
- Organizer
  形式言語とオートマトン研究会
- Place of Presentation
  長岡京中央生涯学習センター
- Year and Date
  2016-05-13
- Data Source
  KAKENHI-PROJECT-15K04830
[Presentation] Almost symmetric numerical semigroups and double covers of curves2016
- Author(s)
  Jiryo Komeda
- Organizer
  研究集会「代数曲線・曲面とその周辺」
- Place of Presentation
  大阪大学理学部
- Year and Date
  2016-11-26
- Data Source
  KAKENHI-PROJECT-15K04830
[Presentation] 非特異平面4次曲線の二重被覆上のワイエルシュトラス半群2016
- Author(s)
  Jiryo Komeda
- Organizer
  中央大学代数セミナー
- Place of Presentation
  中央大学理工学部数学科
- Year and Date
  2016-01-22
- Data Source
  KAKENHI-PROJECT-15K04830
[Presentation] Numerical semigroups attained by double covers of plane curves of degree six2016
- Author(s)
  Jiryo Komeda
- Organizer
  RIMS研究集会「代数系、論理、言語と計算機科学」
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2016-02-16
- Data Source
  KAKENHI-PROJECT-15K04830
[Presentation] Curves on double sextics and Weierstrass semigroups2015
- Author(s)
  Jiryo Komeda
- Organizer
  代数幾何ミニ研究集会
- Place of Presentation
  埼玉大学（さいたま市）
- Year and Date
  2015-03-11
- Data Source
  KAKENHI-PROJECT-24540057
[Presentation] Quasi-symmetric numerical semigroups and double covers of curves2015
- Author(s)
  Jiryo Komeda
- Organizer
  「代数系・論理・言語と計算機科学の新たな接点」研究集会
- Place of Presentation
  京都大学数理解析研究所（京都市）
- Year and Date
  2015-02-16
- Data Source
  KAKENHI-PROJECT-24540057
[Presentation] The existence of curves with certain Weierstrass semigroups on double covers of P(1,1,4)2015
- Author(s)
  Jiryo Komeda
- Organizer
  Workshop on Galois point and related topics
- Place of Presentation
  神奈川大学横浜キャンパス
- Year and Date
  2015-09-05
- Data Source
  KAKENHI-PROJECT-15K04830
[Presentation] Weierstrass semigroups on double covers of plane curves2014
- Author(s)
  Jiryo Komeda
- Organizer
  International Research Meeting "Semigroups, Languages and Algebras"
- Place of Presentation
  秋田大学（秋田市）
- Year and Date
  2014-08-07
- Data Source
  KAKENHI-PROJECT-24540057
[Presentation] Hurwitz's problem and symmetric numerical semigroups2014
- Author(s)
  Jiryo Komeda
- Organizer
  Kyoto Mini Workshop 2014
- Place of Presentation
  京都産業大学（京都市）
- Year and Date
  2014-08-02
- Data Source
  KAKENHI-PROJECT-24540057
[Presentation] The proportion of numerical semigroups with no descendant or an infinite number of descendants2014
- Author(s)
  Jiryo Komeda
- Organizer
  「計算機科学における論理・代数・言語」研究集会
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-24540057
[Presentation] Sequences of Weieratrass semigroup2013
- Author(s)
  米田二良
- Organizer
  代数幾何ミニ研究集会
- Place of Presentation
  埼玉大学理学部(さいたま市)
- Year and Date
  2013-03-26
- Data Source
  KAKENHI-PROJECT-23540209
[Presentation] The Fractional Map by Two and the Parent Map of Numerical Semigroups2012
- Author(s)
  Jiryo Komeda
- Organizer
  代数系および計算機科学基礎(RIMS研究集会)
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2012-02-22
- Data Source
  KAKENHI-PROJECT-21540052
[Presentation] Diagrams of Weierstrass semigroups constructed from the parent map and the quotient map by two2012
- Author(s)
  J. Komeda
- Organizer
  Algebraic Geometry Seminar in Seoul National University
- Place of Presentation
  韓国・ソウル大学
- Year and Date
  2012-03-22
- Data Source
  KAKENHI-PROJECT-21540052
[Presentation] The Fractional Map by Two and the Parent Map of Numerical Semigroups2012
- Author(s)
  J. Komeda
- Organizer
  RIMS研究集会「代数系および計算機科学基礎」
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2012-02-22
- Data Source
  KAKENHI-PROJECT-21540052
[Presentation] Numerical semigroups of double covering type and Hurwitz'problem2011
- Author(s)
  米田二良
- Organizer
  代数と言語のアルゴリズムと計算理論 RIMS研究集会
- Place of Presentation
  京都大学数理解析研究所(京都府)
- Year and Date
  2011-02-21
- Data Source
  KAKENHI-PROJECT-21540052
[Presentation] Numerical semigroups which are the double covering type and Hurwitz' problem2011
- Author(s)
  J. Komeda
- Organizer
  RIMS研究集会「代数と言語のアルゴリズムと計算理論」
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2011-02-21
- Data Source
  KAKENHI-PROJECT-21540052
[Presentation] Weierstrass semigroups on double coverings of curves of genus 3 or 42010
- Author(s)
  米田二良
- Organizer
  Workshop on Galois point and related topics
- Place of Presentation
  神奈川大学富士見高原研修所(長野県)
- Year and Date
  2010-06-05
- Data Source
  KAKENHI-PROJECT-21540052
[Presentation] Weierstrass semigroups on double coverings of non-singular plane curves of degree 52010
- Author(s)
  J. Komeda
- Organizer
  代数幾何講演会
- Place of Presentation
  埼玉大学
- Year and Date
  2010-12-14
- Data Source
  KAKENHI-PROJECT-21540052
[Presentation] Weierstrass semigroups on double coverings of non-singular plane curves of degree 52010
- Author(s)
  米田二良
- Organizer
  代数幾何講演会
- Place of Presentation
  埼玉大学理工学研究科(埼玉県)
- Year and Date
  2010-12-14
- Data Source
  KAKENHI-PROJECT-21540052
[Presentation] The parents and the children of non-Weierstrass semigroups2010
- Author(s)
  J. Komeda
- Organizer
  京都大学数理解析研究所研究集会「代数と言語のアルゴリズムと計算理論」
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2010-02-17
- Data Source
  KAKENHI-PROJECT-21540052
[Presentation] Weierstrass semigroups on double coverings of curves2010
- Author(s)
  Jiryo Komeda
- Organizer
  Mini Festival on Algebraic Curves
- Place of Presentation
  ソウル大学校(韓国ソウル)
- Year and Date
  2010-03-23
- Data Source
  KAKENHI-PROJECT-21540052
[Presentation] Non-Weierstrass numerical semigroups' genealogy2010
- Author(s)
  J. Komeda
- Organizer
  Algebraic Geometry Seminar in Seoul National University
- Place of Presentation
  韓国・ソウル大学
- Year and Date
  2010-09-01
- Data Source
  KAKENHI-PROJECT-21540052
[Presentation] Weierstrass semigroups on double coverings of curves of genus 3 or 42010
- Author(s)
  J. Komeda
- Organizer
  Workshop on Galois point and related topics
- Place of Presentation
  神奈川大学富士見高原研修所
- Year and Date
  2010-06-05
- Data Source
  KAKENHI-PROJECT-21540052
[Presentation] Weierstrass semigroups on double coverings of curves2010
- Author(s)
  J. Komeda
- Organizer
  Mini Festival on Algebraic Curves
- Place of Presentation
  韓国・ソウル大学
- Year and Date
  2010-03-23
- Data Source
  KAKENHI-PROJECT-21540052
[Presentation] The Parents and the Children of Non-Weierstrass semigroups2010
- Author(s)
  Jiryo Komeda
- Organizer
  京都大学数理解析研究所研究集会「代数と言語のアルゴリズムと計算理論」
- Place of Presentation
  京都大学理学部(京都府)
- Year and Date
  2010-02-17
- Data Source
  KAKENHI-PROJECT-21540052
[Presentation] On Weierstrass pairs on a curve and Weierstrass semigroups on a double covering of the curve2009
- Author(s)
  J. Komeda
- Organizer
  Workshop on Galois points and related topics
- Place of Presentation
  神奈川大学富士見高原研修所
- Year and Date
  2009-06-06
- Data Source
  KAKENHI-PROJECT-21540052
[Presentation] On Weierstrass pairs on a curve and Weierstrass semigroups on a double covering of the curve2009
- Author(s)
  Jiryo Komeda
- Organizer
  Workshop on Galois points and related topics
- Place of Presentation
  神奈川大学富士見高原研修所(長野県)
- Year and Date
  2009-06-06
- Data Source
  KAKENHI-PROJECT-21540052
[Presentation] The parents of Weierstrass semigroups and non-Weierstrass semigroups
- Author(s)
  米田二良
- Organizer
  京都大学数理解析研究所研究集会「代数とコンピュータサイエンス」
- Place of Presentation
  京都大学数理解析研究所
- Data Source
  KAKENHI-PROJECT-24540057
[Presentation] Sequences of Weierstrass semigroups
- Author(s)
  米田二良
- Organizer
  代数幾何ミニ研究集会
- Place of Presentation
  埼玉大学
- Data Source
  KAKENHI-PROJECT-24540057
[Presentation] Weierstrass numerical semigroups and affine toric varieties
- Author(s)
  米田二良
- Organizer
  第11回アフィン代数幾何学研究集会
- Place of Presentation
  関西学院大学大阪梅田キャンパス
- Data Source
  KAKENHI-PROJECT-24540057

1. OHBUCHI Akira (10211111)

# of Collaborated Projects: 15 results

# of Collaborated Products: 22 results
2. KATO Takao (10016157)

# of Collaborated Projects: 11 results

# of Collaborated Products: 0 results
3. HONMA Masaaki (80145523)

# of Collaborated Projects: 9 results

# of Collaborated Products: 2 results
4. TAKAHASHI Takeshi (60390431)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
5. Watanabe Kenta (70582683)

# of Collaborated Projects: 3 results

# of Collaborated Products: 1 results
6. MIURA Kei (50353321)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
7. YANAGIHARA Hiroshi (30200538)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
8. ISHII Naonori (10339252)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
9. HARUI Takeshi

# of Collaborated Projects: 2 results

# of Collaborated Products: 4 results
10. KAWAGUCHI Ryo

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
11. SAKAI Fumio (40036596)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. YOSHIHARA Hisao (60114807)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. MASUMOTO Makoto (50173761)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. KIUCHI Isao (30271076)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. ITO Hiroshi (30168372)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. KUWATA Masato (00343640)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. KONNO Kazuhiro (10186869)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. NAMBA Makoto (60004462)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. MATSUTANI Shigeki

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
20. MASE Makiko

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

YONEDA Jiryo 米田 二良

KOMEDA Jiryo 米田 二良

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The solution of Hurwitz's problem through Galois covers of algebraic curves and study on curves on K3 surfacesPrincipal Investigator

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Research on Hurwitz's problem and K3 surfaces through double covers of curves and symmetric numerical semigroupsPrincipal Investigator

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Hurwitz' problem through double covers of curves and curves on surfacesPrincipal Investigator

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Hurwitz' problem on Weierstrass points on algebraic curvesPrincipal Investigator

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Research on coverings of curves and toric varieties through Weierstrass pointsPrincipal Investigator

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YONEDA Jiryo 米田二良

KOMEDA Jiryo 米田二良