Keita Mikami三上 渓太

2026/3/7 I co-organized a research conference in Himeji from March 4 to 6, 2026. We are deeply grateful to all who participated, and in particular to the speakers for their valuable contributions. 2026/3/7 2026年3月4日から6日まで姫路で研究集会の世話人(の1人)をしました。ご参加いただいた皆様、特に講演をご担当いただいた皆様ありがとうございました。

2026/2/3 I have updated the website’s color scheme to match the University Colors of the University of Hyogo. 2026/2/3 ホームページの色調を兵庫県立大学のユニバーシティカラーに合わせたものに変更しました。

2026/1/1 Happy New Year. I’ll be co-organizing a research meeting in Himeji this March. Details are available here. 2026/1/1 明けましておめでとうございます。今年は3月に姫路で研究集会の世話人(の一人)をする予定です。詳細はこちら。

2025/9/10 We organized a workshop at the Research Institute for Mathematical Sciences, Kyoto University. We are deeply grateful to all who participated, and in particular to the speakers for their valuable contributions. 2025/9/10 2025年9月3日から5日まで京都大学数理解析研究所で研究集会を開催しました。ご参加いただいた皆様、特に講演をご担当いただいた皆様ありがとうございました。

2025/7/24 We will hold a conference on September 2025 at the Research Institute for Mathematical Sciences (Kyoto). Detailed information is here. 2025/7/24 2025年9月に京都大学数理解析研究所で研究集会を開催します。詳細はこちら。

I am interested in Schrödinger operators and related topics. 私はシュレディンガー作用素および関連分野に興味があります。

Name: Keita Mikami
Born: Tokyo, Japan, October 1991 氏名: 三上 渓太
出生: 日本, 東京, 1991年10月

1. Continuum limit for Laplace and Elliptic operators on lattices, The Second University of Hyogo Mathematics Colloquium, University of Hyogo, May 2025. Continuum limit for Laplace and Elliptic operators on lattices, 第2回兵庫県立大学数学談話会, 兵庫県立大学, 2025年5月.
2. Continuum limit for Laplace and Elliptic operators on lattices, Recent Developments in Linear and Nonlinear Dispersive Differential Equations, RIMS, May 2024. Continuum limit for Laplace and Elliptic operators on lattices, 線形及び非線形分散型微分方程式の近年の研究, 京都大学数理解析研究所, 2024年5月.
3. Observability estimates on the Euclidian set minus tube, The 4th Workshop for Young Researchers on Spectral and Scattering Theory, Ehime University, March 2023. Observability estimates on the Euclidian set minus tube, 第4回 スペクトル・散乱若手勉強会, 愛媛大学, 2023年3月.
4. Introduction to the control of Schrödinger equation, Lectures on Semiclassical Analysis 2022, セミナー＆カルチャーセンター臨湖, September 2022. Introduction to the control of Schrödinger equation, Lectures on Semiclassical Analysis 2022, セミナー＆カルチャーセンター臨湖, 2022年9月.
5. Observability estimates of Schrödinger operators on Euclidian sets minus tube, Op Seminar, October 2021. Observability estimates of Schrödinger operators on Euclidian sets minus tube, Op Seminar, 2021年10月.
6. Observability estimates on Euclidian sets minus tube, Recent developments in studies of resonances, RIMS, February 2021. Observability estimates on Euclidian sets minus tube, Recent developments in studies of resonances, RIMS, 2021年2月.
7. Observability estimates on Euclidian sets minus tube, Spectral and Scattering Theory and related topics, RIMS, December 2020. Observability estimates on Euclidian sets minus tube, スペクトル・散乱理論とその周辺, RIMS, 2020年12月.
8. From eigenvalues to resonances, iTHEMS Math Seminar (online), RIKEN, May 2020. From eigenvalues to resonances, iTHEMS 数学セミナー (オンライン), 理化学研究所, 2020年5月.
9. Semiclassical defect measures and observability estimate for Schrödinger operators with homogeneous potentials of order zero, Harmonic Analysis and Differential Equations Seminar, University of California Berkeley, October 2019. Semiclassical defect measures and observability estimate for Schrödinger operators with homogeneous potentials of order zero, Harmonic Analysis and Differential Equations Seminar, カリフォルニア大学バークレー校, 2019年10月.
10. Introduction to Schrödinger Operators, iTHEMS Math Seminar, RIKEN, July 2019. Introduction to Schrödinger Operators, iTHEMS 数学セミナー, 理化学研究所, 2019年7月.
11. Semiclassical methods and observability estimate for Schrödinger operators with homogeneous potentials of order zero, Gakushuin University Spectral Theory Seminar, Gakushuin University, June 2019. Semiclassical methods and observability estimate for Schrödinger operators with homogeneous potentials of order zero, 学習院大学スペクトル理論セミナー, 学習院大学, 2019年6月.
12. Semiclassical methods and observability estimate for Schrödinger operators with homogeneous potentials of order zero, Osaka University Differential Equation Seminar, Osaka University, June 2019. Semiclassical methods and observability estimate for Schrödinger operators with homogeneous potentials of order zero, 大阪大学微分方程式セミナー, 大阪大学, 2019年6月.
13. Semiclassical analysis and observability estimate, RIKEN iTHEMS Outreach Workshop, 東京大学玉原国際セミナーハウス, June 2019. 半古典解析と観測性不等式, RIKEN iTHEMS アウトリーチ研究集会2019, 東京大学玉原国際セミナーハウス, 2019年6月.
14. 0次斉次なポテンシャルを持つシュレディンガー作用素の方向局所化現象, FFMSP院生集中講義, The University of Tokyo, March 2019. 0次斉次なポテンシャルを持つシュレディンガー作用素の方向局所化現象, FMSP院生集中講義, 東京大学, 2019年3月.
15. Semiclassical measures and observability estimate for Schrödinger operators with homogeneous potentials of order zero, Himeji Conference on Partial Differential Equations, Egret Himeji, March 2019. Semiclassical measures and observability estimate for Schrödinger operators with homogeneous potentials of order zero, 偏微分方程式姫路研究集会, イーグレ姫路, 2019年3月.
16. Semiclassical measure for Schrödinger operators with homogeneous potentials of order zero, Spectral and Scattering Theory and related topics, RIMS, December 2018. Semiclassical measure for Schrödinger operators with homogeneous potentials of order zero, スペクトル・散乱理論とその周辺, 京都大学数理解析研究所 (RIMS), 2018年12月.
17. Semiclassical measure for Schrödinger operators with homogeneous potentials of order zero, The 28th Symposium on Mathematical Physics and Differential Equations, KKR Hakodate, November 2018. Semiclassical measure for Schrödinger operators with homogeneous potentials of order zero, 第28回数理物理と微分方程式, KKRはこだて, 2018年11月.
18. Semiclassical measure for Schrödinger operators with homogeneous potentials of order zero, Math/Phys Seminar, Aarhus University, October 2018. Semiclassical measure for Schrödinger operators with homogeneous potentials of order zero, Math/Phys Seminar, オーフス大学, 2018年10月.
19. Geometric Scattering for Schrödinger Operators with Asymptotically Homogeneous Potentials of Order Zero, Summer School "Spectral Theory of Schrödinger Operators", Jena University, July 2018. Geometric Scattering for Schrödinger Operators with Asymptotically Homogeneous Potentials of Order Zero, Summer School “Spectral Theory of Schrödinger Operators”, Jena University, 2018年7月.
20. On Schrödinger operators with homogeneous potentials of order zero on manifolds, Kobe University Analysis Seminar, Kobe University, November 2017. On Schrödinger operators with homogeneous potentials of order zero on manifolds, 神戸大学解析ゼミ, 神戸大学, 2017年11月.
21. Geometric Scattering for Schrödinger Operators with Asymptotically Homogeneous Potentials of Order Zero, 2017 Symposium on Spectral and Scattering Theory in Matsumoto, Shinshu University, January 2017. Geometric Scattering for Schrödinger Operators with Asymptotically Homogeneous Potentials of Order Zero, 2017 Symposium on Spectral and Scattering Theory in Matsumoto, 信州大学, 2017年1月.
22. Schrödinger operators with homogeneous potentials on manifolds, 第27回数理物理と微分方程式, かんぽの宿富山, November 2016. Schrödinger operators with homogeneous potentials on manifolds, 第27回数理物理と微分方程式, かんぽの宿富山, 2016年11月.
23. Geometric Scattering for Schrödinger Operators with Asymptotically Homogeneous Potentials of Order Zero, Lectures on Semi-Classical Analysis, Ritsumeikan University, July 2016. Geometric Scattering for Schrödinger Operators with Asymptotically Homogeneous Potentials of Order Zero, Lectures on Semi-Classical Analysis, Ritsumeikan University, 2016年1月.
24. Geometrical scattering of the Schrödinger operators with potentials of order 0, 第26回数理物理と微分方程式, New Sun Pier Himeji Yumesaki, November 2015. Geometrical scattering of the Schrödinger operators with potentials of order 0, 第26回数理物理と微分方程式, ニューサンピア姫路ゆめさき, 2015年11月.
25. On Weyl’s law, 第25回数理物理と微分方程式, 四季の湯強羅静雲荘, November 2014. ワイルの法則について, 第25回数理物理と微分方程式, 四季の湯強羅静雲荘, 2014年11月.

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