MATSUZAWA Yasumichi
Academic Assembly School of Humanities and Social Sciences Institute of Education
Faculty of Education Mathematics Education
Associate professor
Researcher Information
Research activity information
Paper
- The Witten index for one-dimensional split-step quantum walks under the non-Fredholm condition
Yasumichi Matsuzawa, Akito Suzuki, Yohei Tanaka, Noriaki Teranishi, Kazuyuki Wada
Reviews in Mathematical Physics, 35(6), 23500, Jun. 2023, Refereed - Large scale geometry of Banach-Lie groups
Hiroshi Ando, Michal Doucha, Yasumichi Matsuzawa
Transaction of the American Mathematical Society, 375(4), 2827-2881, Apr. 2022, Refereed - Explicit diagonalization of pair interaction models
Yasumichi Matsuzawa, Itaru Sasaki, Kyosuke Usami
Analysis and Mathematical Physics, 11, 08 Feb. 2021, Refereed - Polish groups of unitaries
Ando Hiroshi, Yasumichi Matsuzawa
Studia Mathematica, 257, 25-70, 2021, Refereed - An index theorem for split-step quantum walks
Yasumichi Matsuzawa
Quantum Information Processing, 03 Jul. 2020 - Time operators for quantum walks
Daiju Funakawa, Yasumichi Matsuzawa, Itaru Sasaki, Akito Suzuki, Noriaki Teranishi
LETTERS IN MATHEMATICAL PHYSICS, 20 Jun. 2020 - Unitarizability, Maurey--Nikishin factorization, and Polish groups of finite type
Hiroshi Ando, Yasumichi Matsuzawa, Andreas Thom, Asger Törnquist
Journal für die reine und angewandte Mathematik, 01 Jan. 2020, Refereed - When does the Weyl-von Neumann Theorem hold?
Hiroshi Ando and Yasumichi Matsuzawa
Bulletin of the London Mathematical Society, Aug. 2017, Refereed - Non-commutative hypergroup of order five
Yasumichi Matsuzawa, Hiromichi Ohno, Akito Suzuki, Tatsuya Tsurii, Satoe Yamanaka
Journal of Algebra and Its Application, Jul. 2017, Refereed - Weyl-von Neumann Theorem and Borel Complexity of Unitary Equivalence Modulo Compacts of Self-Adjoint Operators
Hiroshi Ando, Yasumichi Matsuzawa
The Royal Society of Edinburgh Proceedings A (Mathematics), 145, 1115-1144, Dec. 2015, Refereed - On Borel equivalence relations related to self-adjoint operators
Hiroshi Ando, Yasumichi Matsuzawa
Journal of Operator Theory, 74(1), 183-194, 2015, Refereed - On Popa's Embedding Problem
Hiroshi Ando, Matsuzawa Yasumichi
Soryushiron Kenkyu, 13, 179-204, 02 Dec. 2012 - On Polish Groups of Finite Type
Hiroshi Ando, Yasumichi Matsuzawa
Publications of the ResearchInstitute for Mathematical Sciences, 48巻, 389-408, Jun. 2012, Refereed - Lie Group-Lie Algebra Correspondences of Unitary Groups in Finite von Neumann Algebras
Hiroshi Ando, Yasumichi Matsuzawa
Hokkaido Mathematical Journal, 41巻, 31—99, Feb. 2012, Refereed - Strong time operators associated with generalized Hamiltonians
Fumio Hiroshima, Sotaro Kuribayashi, Yasumichi Matsuzawa
LETTERS IN MATHEMATICAL PHYSICS, 87巻, 115—123, Dec. 2008, Refereed - Time Operators of a Hamiltonian with Purely Discrete Spectrum
Asao Arai, Yasumichi Matsuzawa
Reviews in Mathematical Physics, 20巻, 951-978, Sep. 2008, Refereed - Construction of a Weyl Representation from a Weak Weyl Representation of the Canonical Commutation Relation
Asao Arai, Yasumichi Matsuzawa
LETTERS IN MATHEMATICAL PHYSICS, 83巻 , 201—211, Jan. 2008, Refereed
MISC
- An Examination of Discipline-Based Epistemological Approaches in Special Needs Education (for Children with Intellectual Disabilities): From Graduate School Classes in Collaboration with Experts in Various Subject Fields
宮地弘一郎,下山真衣,永松裕希,上村惠津子,奥村真依子,原洋平,桐原礼,志村佳名子,伊藤冬樹,間島秀徳,松澤泰道,藤田育郎,杉山俊一郎,八木雄一郎,小松孝太郎
信州大学教育学部附属次世代型学び研究開発センター紀要 教育実践研究, 20, 149 - 158, 24 Dec. 2021
Lectures, oral presentations, etc.
- 対相互作用模型の散乱理論について
佐々木格，松澤泰道，泉真之介，井村航太
2023年度日本数学会秋季総合分科会, 20 Sep. 2023The Witten index of the split-step quantum walk
Yasumichi Matsuzawa
Workshop: Unitary operators: spectral and topological properties, 29 Sep. 2020, InvitedPolish groups related to the unitary group of a Hilbert space
Yasumichi Matsuzawa
Workshop on Analysis and Group Theory, 06 Sep. 2018, InvitedPopa’s embedding problem
Yasumichi Matsuzawa
Seminar "Algebra and Geometry" in Leipzig university, Nov. 2011Lie Group-Lie Algebra Correspondences of Unitary Groups in Finite von Neumann Algebras
Yasumichi Matsuzawa
Seminar "Algebra and Geometry" in Leipzig university, Jun. 2010Courses
- 代数学基礎
Shinshu University - 代数学特別演習
Shinshu University - 教職実践演習Ｅ
Shinshu University - 卒業研究
Shinshu University - 群論
Shinshu University - 環論
Shinshu University - 代数学続論
Shinshu University - 微分方程式論
Shinshu University - 代数学演習
Shinshu University - 代数学特論
Shinshu University - 数学教育総論
Shinshu University - 代数学基礎
Shinshu University - 群論
Shinshu University - 環論
Shinshu University - 体論
Shinshu University
