talk

[国内]

1. "球面を特徴づけるRiemann不変量'', 大阪大学幾何セミナー, 2016/12/5, 1.5h.

2. "標準球面を特徴づけるRiemann不変量'', 慶應大学微分幾何・トポロジーセミナー, 2017/1/16, 1.5h.

3. "Riemannian Invariants that Characterize Rotational Symmetries of the Standard Sphere'', 首都大学東京幾何学セミナー, 2017/4/14, 1.5h.

4. "Riemannian Invariants that Characterize Rotational Symmetries of the Standard Sphere'', 日本数学会秋季総合分科会, 2017/9/11, 15min.

5. "Sphere theorems and eigenvalue pinching without positive Ricci curvature assumption", 首都大学東京幾何学セミナー, 2018/10/26, 1.5h.

6. "Sphere theorems and eigenvalue pinching without positive Ricci curvature assumption", 東北大学幾何セミナー, 2018/12/4, 1.5h.

7. "Lichnerowicz-Obata estimate, Almost parallel differential form and Almost product manifolds", 福岡大学微分幾何セミナー, 2019/5/9, 1.5h.

8. "Lichnerowicz-Obata estimate, almost parallel differential form and almost product manifolds", 大阪大学幾何セミナー, 2019/7/22, 1.5h.

9. "Lichnerowicz-Obata estimate, Almost parallel differential form and Almost product manifolds", 幾何学シンポジウム, 2019/8/28, 40min.

10. "Lichnerowicz-Obata estimate, Almost parallel differential form and Almost product manifolds", 日本数学会秋季総合分科会, 2019/9/17, 15min.

11. "ほぼ平行な微分形式とリーマン多様体の概分解" , リーマン幾何と幾何解析，2020/2/14, 1h.

12. "リーマン多様体におけるラプラシアンと球面の積へのグロモフ・ハウスドルフ近似", 大阪大学幾何セミナー，2020/6/8, 1.5h.

13. "ラプラシアンの固有値と球面の積へのグロモフ・ハウスドルフ近似”, 多様体上の微分方程式, 2020/11/26, 50min.

14. "特異点を持ちうる部分多様体におけるLaplacian Eigenmapsとその収束レート ", 山口大学談話会, 2021/10/27, 1h.

15."滑らかとは限らない部分多様体におけるLaplacian Eigenmapsの収束とそのレート ", 筑波大学微分幾何学セミナー , 2021/12/7, 1.5h.

[国際]

1. "Riemannian Invariants that Characterize Rotational Symmetries of the Standard Sphere'', The third Spanish-Japanese workshop on Differential Geometry, 2017/9/26, 30min.

2. "Lichnerowicz-Obata estimate, Almost parallel differential form and Almost product manifolds", The 3rd Symposium in Geometry and Differential Equations, 2019/5/24, 50min.

3. "Lichnerowicz-Obata estimate, Almost parallel differential form and Almost product manifolds", The first geometry conference for friendship of Japan and Germany, 2019/9/25, 1h.

[ポスター発表(poster)]

1. "Eigenvalue Pinching without Positive Ricci Curvature Assumption", Analytical problems in conformal geometry and applications, 2018/9/17.