Keita Mikami

Assistant Professor of Graduate School of Information Sciences, University of Hyogo
e-mail: keita_mikami atmark sis.u-hyogo.ac.jp

Research Interests

I am interested in Schrödinger operators and related topics.

Curriculum Vitae

Name: Keita Mikami
Born: Tokyo, Japan, October 1991

Position

April 2025 – Present Visiting Research Scientist, Division of Fundamental Mathematical Science, RIKEN Center for Interdisciplinary Theoretical and Mathematical Sciences Center, RIKEN
October 2024 – March 2024 Visiting Research Scientist, Interdisciplinary Theoretical and Mathematical Sciences Program (iTHEMS), RIKEN
October 2024 – Present Assistant Professor, Graduate School of Information Sciences, University of Hyogo
January 2023 – September 2024 Adjunct Assistant Professor, Faculty of Science, Kyoto University
May 2019 – September 2024 Research Scientist, iTHEMS, RIKEN

Education

March 2019 Ph.D. in Mathematical Science, the University of Tokyo
(Advisor: Shu Nakamura)
March 2016 Master of Mathematical Science, the University of Tokyo
(Advisor: Shu Nakamura)
March 2014 Bachelor of Sciences, the University of Tokyo

Fellowships

April 2019 JSPS Research Fellow (PD), Japan Society for the Promotion of Science (change of status from DC2)
April 2018 – March 2019 JSPS Research Fellow (DC2), Japan Society for the Promotion of Science
October 2014 – March 2019 FMSP Course Student

Academic Visits

September 2019 – November 2019 University of California Berkeley (RIKEN iTHEMS – Berkeley Math Visiting Scholar Program)
September 2018 – October 2018 Aarhus University (Frontiers of Mathematical Sciences and Physics Program)

Publications

Papers (with peer review, in English)

  1. K. Mikami, Semiclassical Defect Measure and Observability Estimate for Schrödinger Operators with Homogeneous Potentials of Order Zero, Reviews in Mathematical Physics, to appear.
    Article
  2. K. Mikami, S. Nakamura and Y. Tadano, Continuum limit for Laplace and Elliptic operators on lattices, Pure and Applied Analysis, 6 (2024), No. 3, 765–788.
    Article
  3. K. Mikami, Geometric Scattering for Schrödinger Operators with Asymptotically Homogeneous Potentials of Order Zero, Funkcialaj Ekvacioj, 61 (2018), no. 2, 267–284.
    Article on J-STAGE

Proceedings (without peer review)

  1. ユークリッド空間から筒状の集合を除いた集合上でのシュレディンガー作用素の観測性不等式, RIMS Kôkyûroku No. 2200, 92–97.
  2. Observability estimates for Schrödinger operators on Euclidian sets minus tube, Recent developments in studies of resonances, RIMS Kôkyûroku No. 2192.

Preprints

Talks

  1. Continuum limit for Laplace and Elliptic operators on lattices, Recent Developments in Linear and Nonlinear Dispersive Differential Equations, RIMS, May 2024.
  2. Observability estimates on the Euclidian set minus tube, The 4th Workshop for Young Researchers on Spectral and Scattering Theory, Ehime University, March 2023.
  3. 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.
  4. Observability estimates of Schrödinger operators on Euclidian sets minus tube, Op Seminar, October 2021.
  5. Observability estimates on Euclidian sets minus tube, Recent developments in studies of resonances, RIMS, February 2021.
  6. Observability estimates on Euclidian sets minus tube, スペクトル・散乱理論とその周辺, RIMS, December 2020.
  7. From eigenvalues to resonances, iTHEMS Math Seminar (online), RIKEN, May 2020.
  8. 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.
  9. Introduction to Schrödinger Operators, iTHEMS Math Seminar, RIKEN, July 2019.
  10. Semiclassical methods and observability estimate for Schrödinger operators with homogeneous potentials of order zero, Gakushuin University Spectral Theory Seminar, Gakushuin University, June 2019.
  11. Semiclassical methods and observability estimate for Schrödinger operators with homogeneous potentials of order zero, Osaka University Differential Equation Seminar, Osaka University, June 2019.
  12. 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, June 2019.
  13. 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, The University of Tokyo, March 2019.
  14. Semiclassical measures and observability estimate for Schrödinger operators with homogeneous potentials of order zero, Himeji Conference on Partial Differential Equations, Egret Himeji, March 2019.
  15. 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), December 2018.
  16. 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, November 2018.
  17. Semiclassical measure for Schrödinger operators with homogeneous potentials of order zero, Math/Phys Seminar, Aarhus University, October 2018.
  18. Geometric Scattering for Schrödinger Operators with Asymptotically Homogeneous Potentials of Order Zero, Summer School "Spectral Theory of Schrödinger Operators”, Jena University, July 2018.
  19. On Schrödinger operators with homogeneous potentials of order zero on manifolds, Kobe University Analysis Seminar, Kobe University, November 2017.
  20. 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.
  21. 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.
  22. Geometric Scattering for Schrödinger Operators with Asymptotically Homogeneous Potentials of Order Zero, Lectures on Semi-Classical Analysis, Ritsumeikan University, July 2016.
  23. 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, November 2015.
  24. 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, November 2014.

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