Watanabe Kenta
| Department of Liberal Arts and Science | Associate Professor |
Researcher Information
Research Keyword
Career
Educational Background
- Apr. 2008 - Mar. 2010
Osaka University, Graduate School of Science, Department of Mathematics - 01 Apr. 2006 - 31 Mar. 2008
Osaka University, Graduate School of Science, Department of Mathematics - Apr. 2006 - Mar. 2008
Osaka University, Graduate School of Science, Department of Mathematics - Apr. 2002 - Mar. 2006
Hiroshima University, Faculty of Science, Department of Mathematics
Research activity information
Paper
- Lifts of line bundles on curves on K3 surfaces
Kenta Watanabe; Jiryo Komeda
Abh. Math. Semin. Univ. Hambg, Apr. 2024, Refereed, Not invited
Lead - On the classification of non-aCM curves on quintic surfaces in P3
Kenta Watanabe
Beiträge zur Algebra und Geometrie / Contributions to Algebra and Geometry, Jun. 2023, Refereed
Lead - New examples of Weierstrass semigroups associated with a double covering of a curve on a Hirzebruch surface of degree one
Kenta Watanabe
Beiträge zur Algebra und Geometrie / Contributions to Algebra and Geometry, Feb. 2022, Refereed
Lead - The characterization of aCM line bundles on quintic hypersurfaces in $$\mathbb {P}^3$$
Kenta Watanabe
Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg, Sep. 2021, Refereed, Not invited
Lead - Lazarsfeld-Mukai Bundles of Rank 2 on a Polarized K3 Surface of Low Genus
Kenta Watanabe
Indian Journal of Pure and Applied Mathematics, Mar. 2020, Refereed
Lead - ACM line bundles on polarized K3 surfaces
Kenta Watanabe
Geometriae Dedicata, Mar. 2019, Refereed, Not invited
Lead - On the splitting of Lazarsfeld-Mukai bundles on K3 surface II
Kenta Watanabe
Jornal of Algebra, Jan. 2019, Refereed, Not invited
Lead - A double covering of curves on a Hirzebruch surface of degree one and Weierstrass semigroups
Kenta Watanabe
Semigroup Forum, Sep. 2018, Refereed, Not invited
Lead - Unstable Lazarsfeld-Mukai bundles of rank 2 on a certain K3 surface of Picard number 2
Watanabe Kenta
Advances in Algebra, Feb. 2018, Refereed, Not invited
Lead - On the splitting of Lazarsfeld-Mukai bundles on K3 surfaces
Kenta Watanabe
JOURNAL OF ALGEBRA, Feb. 2016, Refereed, Not invited - On extensions of a double covering of plane curves and Weierstrass semigroups of the double covering type
Jiryo Komeda; Kenta Watanabe
SEMIGROUP FORUM, Oct. 2015, Refereed, Not invited - The Clifford index of line bundles on a 2-elementary K3 surface given by a double cover of a Del Pezzo surface
Kenta Watanabe
GEOMETRIAE DEDICATA, Jun. 2015, Refereed, Not invited - The classification of ACM line bundles on quartic hypersurfaces in P-3
Kenta Watanabe
GEOMETRIAE DEDICATA, Apr. 2015, Refereed, Not invited - An example of the Weierstrass semigroup of a pointed curve on K3 surfaces
Kenta Watanabe
SEMIGROUP FORUM, Apr. 2013, Refereed, Not invited - Donagi-Morrison's examples on 2-elementary K3 surfaces
Kenta Watanabe
ARCHIV DER MATHEMATIK, Feb. 2012, Refereed, Not invited - An example of a polarized K3 surface with elliptic free Clifford divisors
Kenta Watanabe
ARCHIV DER MATHEMATIK, Aug. 2011, Refereed, Not invited - A counterexample to a conjecture of complete fan
Kenta Watanabe
JOURNAL OF MATHEMATICS OF KYOTO UNIVERSITY, 2008, Refereed, Not invited
MISC
Lectures, oral presentations, etc.
- Donagi–Morrison conjecture concerning lifts of line bundles on curves contained in a K3 surface and its applications
Kenta Watanabe
日本数学会 2024 年度会, Mar. 2024, Not invited - On aCM curves on quintic hypersurfaces in P3
Kenta Watanabe
The 19 th symposium on algebraic curves theory, Dec. 2021, Invited - ACM bundles of rank 2 on quartic hypersurfaces in P3 and Lazarsfeld-Mukai bundles
Kenta Watanabe
17 th symposium on algebraic curve theory, Dec. 2019, Invited - On the classification of ACM bundles of rank 2 on polarized K3 surfaces and Lazarsfeld-Mukai bundles
農工大数学セミナー2019, Mar. 2019, Nobuo Hara, Invited - On the classification of rank two ACM bundles on quartic hypersurfaces in P^3
Kenta Watanabe
Splitting, construction and stability of vector bundles and their applications, Jun. 2018, Invited - ACM line bundles on polarized K3 surfaces
Kenta Watanabe
Mathematical Society of Japan, 2018, Mar. 2018, Not invited - A double covering of curves on a Hirzebruch surface of degree one and Weierstrass semigroups
Kenta Watanabe
第 15 回代数曲線論シンポジウム, Dec. 2017, Akira Ohbuchi, Jiryo Komeda, Invited - An example of a certain indecomposable Lazarsfeld-Mukai bundle
Kenta Watanabe
2017 Mathematical Society of Japan, Mar. 2017, Not invited - Mercat conjecture of rank 2 for curves on K3 surfaces of Picard rank one
Kenta Watanabe
Workshop on K3 surfaces and Enriques surfaces (4th), Oct. 2016, Invited - On the splitting of Lazarsfeld-Mukai bundles of rank 2 on K3 surfaces
Kenta Watanabe
第 3 回 K3 曲面・エンリケス曲面ワークショップ, Aug. 2015, 齋藤幸子・瀧真語, Invited - On the slope stability of Lazarsfeld-Mukai bundles of rank 2 on K3 surfaces and ACM line bundles
Kenta Watanabe
日本数学会 2015 年度会, Mar. 2015, Not invited - ACM bundles on K3 surfaces of genus 2
Kenta Watanabe
代数多様体とその周辺, Sep. 2014, Invited - ACM bundles on K3 surfaces of genus 2
Kenta Watanabe
第２回 K3 曲面・エンリケス曲面ワークショップ, Aug. 2014, 齋藤 幸子・瀧 真語, Invited - On the classification of ACM line bundles on quartic hypersurfaces in P^3 and application of it
Kenta Watanabe
日大（月曜）特異点セミナー, Jun. 2014, Invited - On the classification of ACM line bundles on quartic hypersurfaces in P^3
Kenta Watanabe
日本数学会 2014 年度会, Mar. 2014, Not invited - On the classification of ACM line bundles on quartic hypersurfaces in P^3 and application of it
Kenta Watanabe
第 6 回代数曲面ワークショップ at 秋葉原, Feb. 2014, Invited - The classification of ACM line bundles on quartic hypersurfaces on P^3
Kenta Watanabe
11 th algebraic curve theory symposium, Dec. 2013, Invited - On the classification of ACM line bundles on quartic hypersurfaces in P^3
Kenta Watanabe
Algebraic geometry kinosaki symposium 2013, Oct. 2013, Invited - On the Weierstrass semigroups of double covering type and double covering of plane curves
Kenta Watanabe
日本数学会 2013 秋季総合分科会, Sep. 2013, Not invited - On the characterization of arithmetically cohen macaulay line bundles on quartic hypersurfaces in P^3
Kenta Watanabe
第 1 回K3 曲面・エンリケス曲面ワークショップ, Aug. 2013, 瀧 真語・大橋久範, Invited - Clifford index of curves on a certain K3 surface given by a double covering of a DelPezzo surface
Kenta Watanabe
代数幾何学セミナー, May 2013, Invited - On the Weierstrass semigroups of pointed curves on K3 surfaces given by a double covering of a projective plane
Kenta Watanabe
第 10 回代数曲線論シンポジウム, Dec. 2012, Invited - The Clifford index of curves on a certain K3 surfaces given by a double covering of DelPezzo surfaces
Kenta Watanabe
広島大学代数学セミナー, Nov. 2012, Invited - Example of Weierstrass semigroups of double covering types
Kenta Watanabe
Algebraic geometry kinosaki symposium 2012, Oct. 2012, Invited - On the Weierstrass semigroups for pointed curves on a K3 surface of Picard number one
Kenta Watanabe
日本数学会 2012 秋季総合分科会, Sep. 2012, Not invited - On the Clifford index of curves on K3 surfaces given by double covering of DelPezzo surfaces
Kenta Watanabe
代数幾何学ミニワークショップ + おもしろ算数・数学講座, Feb. 2012, Invited - The Clifford index of curves on K3 surfaces given by double coverings of DelPezzo surfaces
Kenta Watanabe
第９回代数曲線論シンポジウム, Dec. 2011, Invited - The Clifford index of curves on 2-elementary K3 surfaces
Kenta Watanabe
Algebraic geometry kinosaki symposium 2011, Oct. 2011, Invited - On the Donagi-Morrison's examples on 2-elementary K3 surfaces
Kenta Watanabe
日本数学会 2011 秋季総合分科会, Sep. 2011, Not invited - On a polarized K3 surface which has an elliptic curve as a free Clifford divisor
Kenta Watanabe
第 8 回代数曲線論シンポジウム, Dec. 2010, Invited - A counterexample to a conjecture of complete fan
Kenta Watanabe
Algebraic geometry Kinosaki symposium 2008, Oct. 2010, Invited - On non-singular curves on elliptic K3 surfaces
Kenta Watanabe
日本数学会 2010 秋季総合分科会, Sep. 2010, Not invited - On the construction of a complete fan associated to the moduli space of polarized logarithmic Hodge structures
Kenta Watanabe
Algebraic geometry kinosaki symposium 2009, Oct. 2009, Invited
Research Themes
- Brill-Noeter theory for semi stable bundles on curves which are contained in a K3 surface and around the fields
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, 01 Apr. 2016 - 31 Mar. 2019
WATANABE Kenta; KOMEDA Jiryo - Theory of mixed log Hodge structures and its applications
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, 01 Apr. 2011 - 31 Mar. 2016
USUI Sampei; NAKAYAMA Chikara; KONNO Kazuhiro; ASHIKAGA Tadashi; FUJIKI Akira; OGUISO Keiji; TAKAHASHI Atsushi; OHNO Koji; WATANABE Kenta; KATO Kazuya - Applications of researches on automorhisms group of K3 surfaces to the curve theory
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Apr. 2013 - Mar. 2016
Watanabe Kenta
