talks (chronological order)

※Talks marked with "*" were/will be given in English.

2011

1. "離散曲面入門" (poster), 第2回サイエンスフロンティア研究発表会, 神戸大学, October 29.

*2. "Construction of discrete constant mean curvature surfaces" (poster), Pacific Rim Geometry Conference, Osaka City University, December 1-5.

2012

3. "Weierstrass representation for semi-discrete minimal surfaces" (talk), 第59回幾何学シンポジウム, 九州大学, August 27.

*4. "Weierstrass representation for semi-discrete minimal surfaces, and comparison of three discretized catenoids" (poster & talk), Forum "Math-for-Industry" 2012 "Information Recovery and Discovery", Fukuoka Convention Center, October 22-26.

5. "半離散極小曲面に対するWeierstrassの表現公式について" (poster), 第3回サイエンスフロンティア研究発表会, 神戸大学, October 27.

6. "Weierstrass representation for semi-discrete minimal surfaces" (talk), 数理研研究集会「特異点論の真髄の探求」, 京都大学, November 27.

2013

*7. "Weierstrass representation for semi-discrete minimal surfaces" (talk), Geometry Seminar, TU Wien, January 16.

*8. "Weierstrass representation for semi-discrete minimal surfaces" (talk), Geometry Seminar, TU Munich, February 6.

9. "Weierstrass representation for semi-discrete minimal surfaces" (talk), 第9回数学総合若手研究集会, 北海道大学, March 5.

10. "Discrete maximal surfaces with singularities in Minkowski space" (talk), 東工大幾何セミナー, 東京工業大学, July 18.

11. "3次元ミンコフスキー空間内の離散極大曲面について" (poster), 第4回サイエンスフロンティア研究発表会, 神戸大学, October 26.

*12. "Discrete maximal surfaces with singularities in Minkowski space" (poster & talk), Forum "Math-for-Industry" 2013 -The Impact of Applications on Mathematics-, Kyushu University, November 4-8.

2014

*13. "Semi-discrete maximal surfaces with singularities in Minkowski space" (poster), The second Japanese-Spanish workshop on Differential Geometry, Tokyo Institute of Technology, February 5-10.

14. "ミンコフスキー空間内の離散極大曲面について" (talk), 第10回数学総合若手研究集会, 北海道大学, March 5.

15. "特異点を持つ曲面の離散化" (talk), 写像の特異点論及び関連する科学の諸問題, 都城高等工業専門学校, June 5.

16. "特異点を持つ曲面の離散化" (talk), 第61回幾何学シンポジウム, 名城大学, August 23.

*17. "Singularities of discrete surfaces" (talk), Opening Workshop “Transformations & Singularities”, TU Vienna, September 18.

18. "An introduction to discrete differential geometry" (talk), Kobe Studio Seminar for Mathematics, 神戸大学, October 17.

19. "曲面の離散微分幾何学入門" (talk), 第19回SMARTセミナー, 東北大学, November 7.

2015

*20. "Discretization of linear Weingarten surfaces with Weierstrass-type representations" (talk), Topics in Differential geometry and its discretizations, Tohoku University, January 11.

*21. "Singularities of discretized linear Weingarten surfaces" (with Wayne Rossman, talk), The 9th OCAMI-KNUHGRG Joint Differential Geometry Workshop on Submanifold Geometry and Lie Theory, Osaka City University, February 14.

*22. "Differential Geometric Aspects of Discrete and Semi-discrete Surfaces" (talk), Geometry Seminar, TU Vienna, March 4.

*23. "Discrete timelike isothermic surfaces" (talk), Singularities in Generic Geometry and applications-- Kobe - Kyoto 2015 (Valencia IV) --, Kobe University & Kyoto University, June 3.

*24. "Bour surface companions in space forms" (with Erhan Güler), International Conference on Geometry, Integrability and Quantization, Hotel Koral, June 10.

Remark. Erhan Güler gave a talk.

*25. "Construction of discrete constant mean curvature surfaces in Riemannian spaceforms" (talk), PNU MATH FORUM 2015, Pusan National University, July 15.

26. "Discrete linear Weingarten surfaces (I): construction method" (talk), 2015年度福岡大学微分幾何研究会 (Geometry and Analysis), 福岡大学, October 30.

*27. "The discrete DPW method" (talk), Geometry Seminar, TU Wien, December 2.

2016

*28. "Construction of discrete constant mean curvature surfaces in Riemannian spaceforms and its applications" (talk), OCAMI-KOBE-WASEDA Joint International Workshop on Differential Geometry and Integrable Systems, Osaka City University & Kobe University, February 14.

*29. "Discrete timelike isothermic surfaces" (talk), Workshop "Transformations and Singularities", Tokyo Institute of Technology, February 19.

*30. "Two types of discrete isothermic surfaces in Minkowski space" (talk), SFB-Seminar Berlin, TU Berlin, May 3.

*31. "Semi-discrete constant mean curvature surfaces of revolution in Minkowski space" (talk), International Conference on Geometry, Integrability and Quantization, Hotel Koral, June 3, 2016.

*32. "Discrete constant mean curvature surfaces in Minkowski space" (talk), Symmetries and Integrability in Difference Equations (SIDE 12), Hotel Le Chantecler, July 6.

*33. "Construction of discrete constant mean curvature surfaces in Riemannian spaceforms and its applications" (talk), Differential Geometry and its Applications, Masaryk University, July 12.

34. "三価グラフの極大曲面 ", 第63回幾何学シンポジウム, 岡山大学, August 29.

*35. "Trivalent maximal surfaces in Minkowski space" (talk), 8th International Meeting on Lorentzian Geometry (GeLoMa 2016), Universidad de Málaga, Spain, September 20.

*36. "Semi-discrete linear Weingarten surfaces with singularities" (talk), Geometry and Topology Seminar, UMass Amherst, USA, November 9.

2017

*37. "Trivalent maximal surfaces in Minkowski space" (talk), The 2nd OCAMI-KOBE-WASEDA Joint International Workshop on Differential Geometry and Integrable Systems, Osaka City University, Japan, March 14.

*38. "Discrete timelike minimal surfaces and discrete wave equations" (talk), The Tenth IMACS International Conference on Nonlinear Evolution Equations and Wave Phenomena: Computation and Theory (IMACS 2017), University of Georgia, USA, March 31.

39. "離散時間的極小曲面と離散波動方程式 ", 日本数学会2017年度秋季総合分科会, 山形大学, September 13.

*40. "A geometric solution of the semi-discrete hyperbolic sine-Gordon equation and applications", The Third Japanese-Spanish workshop on Differential Geometry, Instituto de Ciencias Matemáticas, Spain, September 20.

*41. "Discretized linear Weingarten surfaces with Weierstrass-type representations and their singularities", The 21st International Workshop on Hermitian Symmetric Spaces and Submanifolds and The 14th RIRCM-OCAMI Joint Differential Geometry Workshop, Kyungpook National University, South Korea, October 13.

*42. "Discrete zero mean curvature surfaces in Euclidean and Minkowski spaces", 談話会, 大阪市立大学, November 8.

43. "離散時間的極小曲面と離散波動方程式 ", 部分多様体論・湯沢2017, 湯沢町・湯沢グランドホテル, December 1.

2018

44. "離散平均曲率零曲面の研究の最近の進展 ", 神戸幾何学セミナー, 神戸大学, January 18.

*45. "Discrete timelike minimal surfaces", Geometry of Submanifolds and Integrable Systems, Osaka City University, March 26.

46. "3次元ミンコフスキー空間内の離散空間的平均曲率一定曲面", 部分多様体の幾何学の深化と展開, 京都大学数理解析研究所, June 25.

*47. "Discrete timelike minimal surfaces", 3rd m:iv workshop, TU Munich, August 23.

"Discrete spacelike constant mean curvature surfaces in Minkowski space", The 4th China-Japan Geometry Conference, University of Science and Technology of China, September Canceled due to a typhoon

*48. "Discretization of linear Weingarten surfaces from a viewpoint of integrable systems" (4 talks), Summer School 2018 in Fukuoka "Geometric shape generation'', Kyushu University, September 13-14.

49. "3次元ミンコフスキー空間内の離散空間的平均曲率一定曲面の構成法", 広島幾何学研究集会 2018, 広島大学, October 5.

*50. "Semi-discrete maximal surfaces revisit", The 12th GEOSOCK Seminar "Geometry of Discrete Surfaces and Applications", Kyushu University, November 11.

*51. "A geometric solution of the discrete sinh-Gordon equation and discrete spacelike constant mean curvature surfaces in Minkowski space" (poster), Symmetries and Integrability in Difference Equations (SIDE 13), JR Hakata City Conference Rooms, November 12-16.

2019

*52. "An invitation to discretization of surfaces from an integrable systems viewpoint" (3 talks), Introductory workshop on discrete differential geometry, Korea University, January 21-22.

53. "離散化された線形ワインガルテン曲面とその変形族の研究", 2018年度数学研究会特別賞受賞式・受賞講演, 大阪市立大学, April 10.

*54. "Discrete constant mean curvature surfaces -Discretization of soap bubbles-", Geometric shape generation: integrability, variational analysis and applications, Blasco Ibanez Campus of the Universitat de Valencia, July 18.

*55. "Global behavior of discrete surfaces" (with Joseph Cho, Wayne Rossman, Seong-Deog Yang), Geometric shape generation: integrability, variational analysis and applications, Blasco Ibanez Campus of the Universitat de Valencia, July 18, 2019.

*56. "Discrete zero mean curvature surfaces", Discrete and Computational Geometry and its Applications, Capital Normal University, July 26.

57. "離散正則関数を用いた離散平均曲率0曲面の構成", 新学術領域「次世代物質探索のための離散幾何学」研究成果発表会・領域会議, 名古屋大学, August 2.

*58. "Discrete Weierstrass-type representations",  4th m:iv workshop, University of Leicester, September 4.

*59. "Discrete Weierstrass-type representations", Geometry and Topology seminar, University of Luxembourg, September 9.

2020

*60. "Discrete timelike minimal surfaces: two Weierstrass-type representations from discrete wave equations", Workshop "Geometric shape generation'', Tokyo Institute of Technology, February 19.

61. "離散Weierstrass型の表現公式", 日本数学会2020年度年会, 日本大学 (online), March 18. 

62. "離散Weierstrass型の表現公式", 日本応用数理学会2020年度年会, 愛媛大学 (online), September 8.

2021

63. "離散曲面の微分幾何", プレ・マス・フォア・イノベーションカフェ, 九州大学 (online), February 25.

64. "可積分変換による離散曲面の構成法", ワークショップ「幾何学と様々な自然現象の解析」, 東京理科大学 (online), March 12.

65. "可積分変換による離散曲面の構成", RIMS共同研究（公開型）「可積分系数理の諸相」, 京都大学数理解析研究所 (online), August 26.

66. "可積分変換による離散極小曲面の構成", 日本応用数理学会2021年度年会, 芝浦工業大学 (online), September 7.

67. "等温曲面の離散化・半離散化", サマースクール離散微分幾何チュートリアル2021 (3 talks), 九州大学 (online), September 21-23.

*68. "Construction and deformation of discrete surfaces via integrable transformations" (poster), The 21st International Conference on Discrete Geometric Analysis for Materials Design, Nagoya University (online), Japan, September 28.

*69. "Construction of discrete surfaces via integrable transformations", The 6th China-Japan Geometry Conference, Osaka City University (venue of Japanese side), December 28.

2022

*70. "Discrete timelike minimal surfaces", International workshop "Discrete Geometric Analysis and its Applications", Tohoku University (online), January 7.

*71. "Constructions of discrete surfaces via integrable transformations" (poster), Pre-Math-for-Innovation Workshop, IMI Kyushu University, Japan, January 25.

*72. "Constructions of discrete surfaces via integrable systems approach: Part I", The 4th International Workshop "Geometry of Submanifolds and Integrable Systems", Osaka City University, February 23.

*73. "Constructions of discrete surfaces via integrable systems approach: Part II", MSJ-SI "Differential Geometry and Integrable Systems", Osaka City University, March 18.

*74. "Discrete p-holomorphic functions and discrete timelike minimal surfcaes", Workshop "Discrete Geometric Structures", TU Wien, Austria, August 30.

*75. "Discrete zero mean curvature surfaces in Lorentz-Minkowski 3-space", Discussion meeting on zero mean curvature surfaces in the Lorentz-Minkowski space and related areas (online), Shiv Nadar University, India, October 3.

76. "可積分な曲面の離散化とその構成", 令和4年度徳島数学談話会（冬の会）(online), 徳島大学 (online), Japan, December 6.

2023

77. "可積分変換による離散曲面の構成" (poster), 先端工学研究発表会2023, 香川大学, January 30.

*78. "On timelike constant mean curvature surfaces in 3-dimensional Lorentz-Minkowski space", minisymposium "Differential geometry" at the CGTA2023, June 23.

*79. "Construcion of discrete zero mean curvature surfaces in Euclidean and Lorentz-Minkowski spaces", minisymposium "Geometric Shape Generation II: Design" at the ICIAM 2023, August 25.

*80. "Discrete Weierstrass-type representations, and beyond", The 4th Taiwan-Japan Joint Conference on Differential Geometry, November 7.

2024

81. "曲面の離散微分幾何の拡がり", ワークショップ「離散幾何学～理論から物質を探求する～」, 東京理科大学, March 2.

82. "Semi-discrete K-surfaces revisit", RIMS共同研究（公開型）「部分多様体と離散化の幾何学」, 京都大学数理解析研究所, June 24.

83. "Discretization of timelike isothermic surfaces, and beyond", The 9th Japan-China Geometry Conference, December 25.

2025

84. "Discretization of timelike isothermic surfaces, and beyond", The 2nd IMAG-OCAMI Joint Conference on Differential Geometry, February 10.

85. "Semi-discrete K-surfaces revisit", Mini Workshop on Differential Geometry, June 25.

86. "Discrete zero mean curvature surfaces: past, present, and future", Geometry and Analysis of Minimal Surfaces, August 26.