Talks
Conference talk
2024
Corks, Instantons, and Chern-Simons functional, Tsukuba University, Mar. 27-29, Link
Knots, Floer theory, and Chern-Simons functional, Tokyo University of Science, Mar 13-14, Link
Monopoles and Transverse Knots, Special Workshop in Gauge Theory, Kyoto University, Jan. 12, Link
2023
Instanton Floer homology and its applications, Taiwan, NCTS-Kyoto Mathematics Symposium, Dec. 9, Link
Involutive instanton Floer homology and its applications, Four-dimensional topology 2023, Osaka University, Nov. 10, Link
Instanton Floer homology and its applications I and II, Topology and Geometry of Low-Dimensional Manifolds 2023, Shimane University, Nov. 2, Link
Involutive instanton Floer homology and its applications, The 9th KTGU Mathematics Workshop for Young Researchers, Kyoto University, Oct. 2, Link
Real Seiberg-Witten Floer homotopy type and its applications, Gauge theory and its application to geometry and low-dimensional topology, Regensburg University, July. 21, Link
Seiberg-Witten Floer homotopy and contact structure II, Geometry and Topology, Kyushu University, Jun. 29, Link
A new construction of exotic 4-manifolds with b_2=1, Gauge theory in Kyoto, March 22-25, Link
Construction of equivariant singular knot Floer homology II, Differential topology seminar 23, Tsukuba University, Mar. 10, Link
Construction of equivariant singular knot Floer homology I, Differential topology 23, Tsukuba University, Mar. 10, Link
Knots and Floer theory, survey II, Differential topology 23, Tsukuba University, Mar. 9, Link
Knots and Floer theory, survey I, Differential topology seminar 23, Tsukuba University, Mar. 9, Link
2021
Positive scalar curvature and homology cobordism invariants, 4-dimensional topology, Osaka University, Nov. 12-14, Link
Low dimensional Contact and Symplectic Topology, the Nearly Carbon Neutral Geometric Topology conference, Jun. 14-25, Link
Seiberg-Witten Floer homotopy and Contact Structure, ILDT, May. 19-21, with Nobuo Iida, Link
How to learn instanton Floer theory, Differential topology 2021, Feb. 20-23, Link
Knotted 2-spheres in the 4-space and Yang-Mills gauge theory, The 16th East Asian Conference on Geometric Topology, Jan. 25 - 28, 2021, Link
Filtered instanton Floer homology and the homology cobordism group, Floer homology in low dimensional topology, Simons Center, Jan. 11-15, 2021, Link
2020
Local equivalence in instanton Floer theory, GEOMETRY & TOPOLOGY WORKSHOP TURKEY, Nov. 27, 2020 URL,
Knotted 2-spheres in the 4-space and Yang-Mills gauge theory, International Workshop on 4-Manifold Theory and Gauge Theory, Nov. 4, 5 2020, Link
Codimension-1 embedding of 3-manifolds and Yang-Mills gauge theory, The Mathematical Society of Japan, Sep. 22-25, Link
Gauge theory and knotted 2-spheres in the 4-space, Expanded KOOK seminar, zoom, Sep. 9, Link
Yang-Mills gauge theory and knotted 2-sphere in the 4-space, Differential topology 2020, Sep. 2-3, Link
Local equivalence in instanton Floer theory, 4-Dimensional Topology and Gauge Theory, Jan. 27-29, Yokohama, Link
2019
Filtered Instanton Floer Homology and the homology cobordism group, 4-dimensional topology, Nov.29-Dec.1, Osaka University, Link
Instanton Floer theory and the homology cobordism group, Introduction, Tsuda-Gakugei Topology Workshop, Sep.28-29, Tsuda University, Link
Instanton Floer theory and the homology cobordism group, The Mathematical Society of Japan, Sep.17-20, Kanazawa University, Link
The homology cobordism group of homology 3-spheres and Chern-Simons functional, Topology Symposium, Aug.7-10 2019, Akita University, Link
Filtered Instanton Floer Homology and the homology cobordism group, Intelligence of Low-dimensional Topology, May.22-24, Kyoto University, Link
10/8-type inequalities for periodic end-4-manifolds and existence problem of positive scalar curvature metric, 14th East Asian Conference on Geometric Topology, Jan.21-24, Peking University, Link
2018
Instantons for 4-manifolds with periodic ends and an obstruction to embeddings of 3-manifolds, East Asian Conference on Gauge theory and Related topics, Sep.11-15, Kyoto University, Link
Instantons for 4-manifolds with periodic ends and an obstruction to embeddings of 3-manifolds, Gauge theory in Fukuoka, Feb.18-21, Kanpo no Yado Yanagawa, Conference room, Link
2017
Instantons for 4-manifolds with periodic ends and an obstruction to embeddings of 3-manifolds, Four-dimensional topology, Nov.24-26, Osaka City University, Link
Instanton moduli spaces on 4-manifolds with periodic ends and an obstruction of existence of embeddings, Intelligence of Low-dimensional Topology, May.24-26, Kyoto University, Link
2016
ASD-moduli space on periodic end manifolds, Student seminar, Berkeley-Tokyo Winter School ”Geometry, Topology and Representation Theory ”, Feb.8-19, University of California, Berkeley, Link
Seminar talk
2023
Gauge theory on non-compact 4-manifolds and related topics, Colloquium, Oct. 25, Kyoto University, Link
Involutive filtered instanton Floer theory and its applications, Brandeis Topology Seminar, Sep. 12, Link
Real Seiberg-Witten Floer homotopy type and its applications, G & T seminar, Washington University, Sep. 1.
Transverse knot invariant from Seiberg-Witten Floer homotopy, Aug. 9, RIKEN
Seiberg-Witten Floer homotopy type and its applications II, Korea, Aug.4, KAIST, Link (2 hours lecture)
Seiberg-Witten Floer homotopy type and its applications I, Korea, Aug.1, KAIST, Link (2 hours lecture)
Adjunction inequality and 4-dimensional topology, Osaka University, Jun. 19, Link
Real 10/8-inequality and relative genus bounds, differential topology seminar, Kyoto University, April,18, Link
A new construction of exotic 4-manifolds with b_2=1, Rutgers University Feb. 7, Link
Concordance invariants from equivariant singular instanton Floer theory, Colombia university Feb. 3, Link
2022
Relative Genus Bounds from Floer K-Theory, MSRI/SLMath, Gauge Theory (Semi)-Virtual Seminar, Nov.22, Link
Intantons, special cycles, and knot concordance II, part 3, handle seminar, Nov.8, Link
Intantons, special cycles, and knot concordance II, part 2, handle seminar, Nov.1, Link
Intantons, special cycles, and knot concordance II, part 1, handle seminar, Oct.31, Link
Concordance Invariants from Equivariant Singular Instanton Theory, MSRI/SLMath, FHT Program Seminar, Sep.21, Link
Singular instanton knot homology and Rasmussen type invariant, Gauge theory seminar, Aug.31, Link
2021
Involution, Knots and Floer K theory III, Kansai gauge theory seminar, Dec.4, Link
Involution, Knots and Floer K theory III, Handle seminar, Nov.25, Link
Positive scalar curvature and homology cobordism invariants II, Kansai gauge theory seminar, Jul.6, Link
An adjunction inequality of Bauer-Furuta-type invariant and its applications to H-slicenss, handle seminar 2021, Jun.3, Link
Gauge theory on 4-manifolds with periodic ends II, Gauge theory virtual, Feb.2, Link
Gauge theory on 4-manifolds with periodic ends I, Gauge theory virtual, Jan.21, Link
2020
Filtered instanton Floer homology and the 3-dimensional homology cobordism group, Regensburg low-dimensional geometry and topology seminar, Nov. 10, Link ,
Filtered instanton Floer homology and the homology cobordism group. Stanford Topology seminar, Oct.13, Link
Instanton Floer theory and local equivalence VII, Handle seminar 2020, Aug.20, virtual seminar, Link
Instanton Floer theory and local equivalence VI, Handle seminar 2020, Aug.6, virtual seminar, Link
Instanton Floer theory and local equivalence V, Handle seminar 2020, July.9, virtual seminar, Link
Instanton Floer theory and local equivalence IV, Handle seminar 2020, Jun.19, virtual seminar, Link
Instanton Floer theory and local equivalence III, Handle seminar 2020, Jun.11, virtual seminar, Link
Knotted 2-spheres in the 4-space and Yang-Mills gauge theory, May.27, RIKEN, math seminar, Link
Instanton Floer theory and local equivalence II, Handle seminar 2020, May.21, virtual seminar, Link
Instanton Floer theory and local equivalence I, Handle seminar 2020, Apr.15, virtual seminar, Link
Seifert hypersurface of 2-knots and Chern-Simons functional, Topology seminar, Kyushu University, Feb.21, Link
Codimension-1 embeddings of 3-manifolds and Chern-Simons functional, Differential topology seminar, Kyoto University, 18, Feb.18, 2020, Link
Seifert hypersurface of 2-knots and Chern-Simons functional, Handle seminar'20, Jan.16, University of Tokyo, Link
2019
Seifert hypersurface of 2-knots and Chern-Simons functional, N-KOOK seminar, Dec.17, Osaka station second building, Link
Filtered Instanton Floer Homology and the homology cobordism group II, gauge theory seminar, Nov.4, Washington University, Link
Filtered Instanton Floer Homology and the homology cobordism group II, Kansai gauge theory seminar, Jul.27, Kyoto University, Link
Filtered instanton Floer Homology and the homology cobordism group, Tuesday topology seminar, Jun.18, University of Tokyo, Link
Filtered Instanton Floer Homology and the homology cobordism group, Kansai gauge theory seminar, Jun.8, Kyoto University, Link
Instantons for 4-manifolds with periodic ends and an obstruction to embeddings of 3-manifolds, Columbia Symplectic Geometry, Gauge Theory, and Categorification Seminar, Apr.12, Columbia University, Link
10/8-type inequalities for periodic end-4-manifolds and existence problem of positive scalar curvature metric II, Kansai gauge theory seminar, Feb.9, Kyoto University, Link
2018
Instanton Floer theory and its application to 3,4 -dimensional topology, Matsue seminar, Dec.12, Shimane University, Link
10/8-type inequalities for spin periodic end-4-manifolds and existence problem of positive scalar curvature metrics, Kansai gauge theory seminar, Nov.10, Kyoto University, Link
Rational homology spheres and simply-connected boundings, Handle friendship seminar Oct.18, University of Tokyo, Link
2017
Instanton moduli spaces on 4-manifolds with periodic ends and an obstruction of existence of embeddings, Kansai gauge theory seminar, May.27, Kyoto University, Link
The moduli spaces of the ASD equations on 4-manifolds on a periodic end and obstruction to embeddings of 3-manifolds, Handle friendship seminar May.18, Tokyo Institute of Technology, Link
Several notes and slides used in the talks can be downloaded at HERE.
Overseas Travel
Soul workshop, Soul, 20~22, Dec. 2015 Korea
Berkeley-Tokyo Winter School ”Geometry, Topology and Representation Theory” 8~19 Feb. 2016, University of California, Berkeley, America
Floer Homology and Homotopy Theory Summer school 10 - 14 July, 2017 Conference, 17 - 21 July, 2017, University of California at Los Angeles, America
Gauge theory and applications, 17-27 July 2018, University of Regensburg, Germany
14th East Asian Conference on Geometric Topology, 22 Jan. ~ 24 Jan. 2019 Peking University, China
Simons Center for Geometry and Physics, Stony Brook, U.S., 14 Mar. ~ 15 Apr. 2019 U.S.
Washington University, St Louis U.S., 15, Oct.~ 13, Nov. 2019.
Floer homotopy theory, US, California, Berkeley, MSRI/SLMath 17 Aug. ~ 23 Dec. 2022
Columbia, Rutgers, Harvard University, and MIT, 29 Jan ~ 15 Feb. 2023
Gauge theory and applications, 16-21 July 2023, University of Regensburg, Germany
これまでの講演(英語での講演=○)
2024年
Corks, Instantons, and Chern-Simons functional, 筑波大学, 3月27-29日, link, ◯
Knots, Floer theory, and Chern-Simons functional, 東京理科大学, 3月13 -14日, Link, ◯
Monopoles and Transverse Knots, Special Workshop in Gauge Theory, 京都大学, 1月12日, Link, ◯
2023年
Instanton Floer homology and its applications, Taiwan, NCTS-Kyoto Mathematics Symposium, 12月9日, 台湾国際大学,Link , ◯
Involutive instanton Floer homology and its applications, Four-dimensional topology 2023,11月10日, 大阪大学 Link
Instanton Floer homology and its applications I and II, Topology and Geometry of Low-Dimensional Manifolds 2023, 11月1-3日, 島根大学, Link, ◯
Gauge theory on non-compact 4-manifolds and related topics, 談話会, 10月25日, 京都大学, Link
Involutive instanton Floer homology and its applications, 第9回 KTGU Mathematics Workshop for Young Researchers, 10月2日, 京都大学, Link, ◯
Involutive filtered instanton Floer theory and its applications, Brandeis Topology Seminar, 9月12日, Brandeis大学, Link, ◯
Real Seiberg-Witten Floer homotopy type and its applications, G & T seminar, 9月1日, Washington大学, ◯
Transverse knot invariant from Seiberg-Witten Floer homotopy, 8月9日, RIKEN, Link, ◯
Seiberg-Witten Floer homotopy type and its applications II, 韓国, 8月4日, KAIST, Link (2 hours lecture), ◯
Seiberg-Witten Floer homotopy type and its applications I, 韓国, 8月1日, KAIST, Link (2 hours lecture), ○
Real Seiberg-Witten Floer homotopy type and its applications, Gauge theory and its application to geometry and low-dimensional topology, レーゲンスブルク大学, 7月21日, Link, ○
Seiberg-Witten Floer homotopy and contact structure II, Geometry and Topology, 九州大学, 6月29日, Link
随伴不等式と4次元トポロジー, 大阪大学幾何学セミナー, 6月19日, Link
Real 10/8-inequality and relative genus bounds, 京大微分トポロジーセミナー, 京都大学, 4月18日, Link
A new construction of exotic 4-manifolds with b_2=1, Gauge theory in Kyoto, 京都大学, 3月22-25日, Link, ⚪︎
Construction of equivariant singular knot Floer homology II, 微分トポロジー23, 筑波大学, 3月10日, Link
Construction of equivariant singular knot Floer homology I, 微分トポロジー23, 筑波大学, 3月10日, Link
Knots and Floer theory, survey II, 微分トポロジー23, 筑波大学, 3月9日, Link
Knots and Floer theory, survey I, 微分トポロジー23, 筑波大学, 3月9日, Link
A new construction of exotic 4-manifolds with b_2=1, ラトガース大学, 2月7日, Link, ○
Concordance invariants from equivariant singular instanton Floer theory, コロンビア大学, 2月3日, Link, ○
2022年
Relative Genus Bounds from Floer K-Theory, MSRI/SLMath, Gauge Theory (Semi)-Virtual Seminar, 11月22日, Link,○
Intantons, special cycles, and knot concordance II, part 3, ハンドルセミナー, 11月8日, Link
Intantons, special cycles, and knot concordance II, part 2, ハンドルセミナー, 11月 1日, Link
Intantons, special cycles, and knot concordance II, part 1, ハンドルセミナー, 10月31日, Link
Concordance Invariants from Equivariant Singular Instanton Theory, MSRI/SLMath, FHT Program Seminar, 9月21日, Link,○
Singular instanton knot homology and Rasmussen type invariant, ゲージ理論セミナー, 8月31日, Link
2021年
Involution, Knots and Floer K theory III, 関西ゲージ理論セミナー, 12月4日, Link
Involution, Knots and Floer K theory III, ハンドルセミナー, 11月25日, Link
Positive scalar curvature and homology cobordism invariants, 4次元トポロジー, 大阪大学, 11月12-14日, Link
Low dimensional Contact and Symplectic Topology, the Nearly Carbon Neutral Geometric Topology conference, 6月14-25日, Link, ○
Positive scalar curvature and homology cobordism invariants II, 関西ゲージ理論セミナー, 6月6日, Link
An adjunction inequality of Bauer-Furuta-type invariant and its applications to H-slicenss, ハンドルセミナー2021, 6月3日, Link
Seiberg-Witten Floer homotopy and Contact Structure, Intelligence of Low-dimensional Topology, 京都大学, 5月19-21日, Link
How to learn instanton Floer theory, 微分トポロジー 2021, 2月20-23日, Link
Gauge theory on 4-manifolds with periodic ends II, Gauge theory virtual, 2月2日, Link, ○
Knotted 2-spheres in the 4-space and Yang-Mills gauge theory, The 16th East Asian Conference on Geometric Topology, 1月25 - 28日, Link, ○
Gauge theory on 4-manifolds with periodic ends I, Gauge theory virtual, 1月21日, Link, ○
Filtered instanton Floer homology and the homology cobordism group, Floer homology in low dimensional topology, Simons Center, 1月11-15日, Link, ○
2020年
Local equivalence in instanton Floer theory, GEOMETRY & TOPOLOGY WORKSHOP TURKEY, 11月27日, Link, ○
Filtered instanton Floer homology and the 3-dimensional homology cobordism group, Regensburg low-dimensional geometry and topology seminar, 11月10日, Link, ○
Knotted 2-spheres in the 4-space and Yang-Mills gauge theory, International Workshop on 4-Manifold Theory and Gauge Theory, 11月4,5日, Link, ○
Filtered instanton Floer homology and the homology cobordism group. Stanford Topology seminar, 10月13日, Link, ○
Codimension-1 embedding of 3-manifolds and Yang-Mills gauge theory, 日本数学会, 9月22-25日, Link
Gauge theory and knotted 2-spheres in the 4-space, 拡大KOOKセミナー, zoom, 9月9日, Link
Yang-Mills gauge theory and knotted 2-sphere in the 4-space, 微分トポロジー2020, 9月2-3日, Link
Instanton Floer theory and local equivalence VII, ハンドルセミナー2020, 8月20日, virtual seminar, Link
Instanton Floer theory and local equivalence VI, ハンドルセミナー2020, 8月6日, virtual seminar, Link
Instanton Floer theory and local equivalence V, ハンドルセミナー2020, 7月9日, virtual seminar, Link
Instanton Floer theory and local equivalence IV, ハンドルセミナー2020, 6月19日, virtual seminar, Link
Instanton Floer theory and local equivalence III, ハンドルセミナー2020, 6月11日, virtual seminar, Link
Knotted 2-spheres in the 4-space and Yang-Mills gauge theory, 5月27日, 理化学研究所, math seminar, Link, ○
Instanton Floer theory and local equivalence II, ハンドルセミナー2020, 5月21日, virtual seminar, Link
Instanton Floer theory and local equivalence I, ハンドルセミナー2020, 4月15日, virtual seminar, Link
Seifert hypersurface of 2-knots and Chern-Simons functional, トポロジーセミナー, 九州大学, 2月21日, Link
Codimension-1 embeddings of 3-manifolds and Chern-Simons functional, 微分トポロジーセミナー,京都大学, 2月18日, Link
Local equivalence in instanton Floer theory, 4-Dimensional Topology and Gauge Theory, 1月27-29日, 横浜, Link
Seifert hypersurface of 2-knots and Chern-Simons functional, ハンドルセミナー'20, 東京大学, 1月16日, Link
2019年
Seifert hypersurface of 2-knots and Chern-Simons functional, N-KOOKセミナー, 12月7日, 大阪駅 第２ビル, Link
Filtered Instanton Floer Homology and the homology cobordism group, 4-dimensional topology, 11月29日-12月1日, 大阪大学, Link
Filtered Instanton Floer Homology and the homology cobordism group II, gauge theory seminar, 11月4日,ワシントン大学 Link, ○
Instanton Floer theory and the homology cobordism group, Introduction, Tsuda-Gakugei Topology Workshop, 9月28・29日, 津田塾大学, Link
Instanton Floer theory and the homology cobordism group, 日本数学会, 9月17-20日, 金沢大学, Link
The homology cobordism group of homology 3-spheres and Chern-Simons functional, トポロジーシンポジウム, 8月7日 秋田大学, Link
Filtered Instanton Floer Homology and the homology cobordism group II, 関西ゲージ理論セミナー, 7月27日, 京都大学, Link
Filtered instanton Floer Homology and the homology cobordism group, 火曜トポロジーセミナー, 6月18日, 東京大学, Link
Filtered Instanton Floer Homology and the homology cobordism group, 関西ゲージ理論セミナー, 6月8日,京都大学, Link
Filtered Instanton Floer Homology and the homology cobordism group, Intelligence of Low-dimensional Topology, 5月, 京都大学, Link
Instantons for 4-manifolds with periodic ends and an obstruction to embeddings of 3-manifolds, Columbia Symplectic Geometry, Gauge Theory, and Categorification Seminar, 4月12日, コロンビア大学, Link, ○
10/8-type inequalities for periodic end-4-manifolds and existence problem of positive scalar curvature metric II, 関西ゲージ理論セミナー, 2月9日, 京都大学, Link
10/8-type inequalities for periodic end-4-manifolds and existence problem of positive scalar curvature metric, 14th East Asian Conference on Geometric Topology, 1月21-24日, 北京大学, Link, ○
2018年
Instanton Floer theory and its application to 3,4 -dimensional topology, 松江セミナー, 12月12日, 島根大学, Link
10/8-type inequalities for spin periodic end-4-manifolds and existence problem of positive scalar curvature metrics, 関西ゲージ理論セミナー, 11月10日,京都大学, Link
Rational homology spheres and simply-connected boundings, ハンドルセミナー, 10月18日, 東京大学, Link
Instantons for 4-manifolds with periodic ends and an obstruction to embeddings of 3-manifolds, East Asian Conference on Gauge theory and Related topics, 9月11-15日, 京都大学, Link, ○
2017年
Instantons for 4-manifolds with periodic ends and an obstruction to embeddings of 3-manifolds, Gauge theory in Fukuoka, 2月16,17日, かんぽの宿,Yanagawa, Conference room, Link, ○
Instantons for 4-manifolds with periodic ends and an obstruction to embeddings of 3-manifolds, 4次元トポロジー, 11月24-26日, 大阪市立大学, Link
Instanton moduli spaces on 4-manifolds with periodic ends and an obstruction of existence of embeddings, 関西ゲージ理論セミナー, 5月27日, 京都大学, Link
Instanton moduli spaces on 4-manifolds with periodic ends and an obstruction of existence of embeddings, Intelligence of Low-dimensional Topology, 5月.24-26日, 京都大学, Link
The moduli spaces of the ASD equations on 4-manifolds on a periodic end and obstruction to embeddings of 3-manifolds, ハンドルセミナー, 5月18日, 東京工業大学, Link
2016年
ASD-moduli space on periodic end manifolds, Student seminar, Berkeley-Tokyo Winter School ”Geometry, Topology and Representation Theory ”, 2月8-19日, カリフォルニア大学, バークレー校, Link, ○
アウトリーチ活動
4次元多様体とゲージ理論, RIKEN iTHEMS のアウトリーチについての研究会 2021, 2021年7月11, 12日
数学と諸分野の連携にむけた若手数学者交流会, 2022年3月7,8日
iTHEMS × academist, オンラインイベント,「数理で読み解く科学の世界 2022」, 2022年4月24日