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, 2023年06月, 査読有り
Large scale geometry of Banach-Lie groups
Hiroshi Ando, Michal Doucha, Yasumichi Matsuzawa
Transaction of the American Mathematical Society, 375(4), 2827-2881, 2022年04月, 査読有り
Explicit diagonalization of pair interaction models
Yasumichi Matsuzawa, Itaru Sasaki, Kyosuke Usami
Analysis and Mathematical Physics, 11, 2021年02月08日, 査読有り
Polish groups of unitaries
Ando Hiroshi, Yasumichi Matsuzawa
Studia Mathematica, 257, 25-70, 2021年, 査読有り
An index theorem for split-step quantum walks
Yasumichi Matsuzawa
Quantum Information Processing, 2020年07月03日
Time operators for quantum walks
Daiju Funakawa, Yasumichi Matsuzawa, Itaru Sasaki, Akito Suzuki, Noriaki Teranishi
LETTERS IN MATHEMATICAL PHYSICS, 2020年06月20日
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, 2020年01月01日, 査読有り
When does the Weyl-von Neumann Theorem hold?
Hiroshi Ando and Yasumichi Matsuzawa
Bulletin of the London Mathematical Society, 2017年08月, 査読有り
Non-commutative hypergroup of order five
Yasumichi Matsuzawa, Hiromichi Ohno, Akito Suzuki, Tatsuya Tsurii, Satoe Yamanaka
Journal of Algebra and Its Application, 2017年07月, 査読有り
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, 2015年12月, 査読有り
On Borel equivalence relations related to self-adjoint operators
Hiroshi Ando, Yasumichi Matsuzawa
Journal of Operator Theory, 74(1), 183-194, 2015年, 査読有り
On Popa's Embedding Problem
Hiroshi Ando, Matsuzawa Yasumichi
Soryushiron Kenkyu, 13, 179-204, 2012年12月02日
On Polish Groups of Finite Type
Hiroshi Ando, Yasumichi Matsuzawa
Publications of the ResearchInstitute for Mathematical Sciences, 48巻, 389-408, 2012年06月, 査読有り
Lie Group-Lie Algebra Correspondences of Unitary Groups in Finite von Neumann Algebras
Hiroshi Ando, Yasumichi Matsuzawa
Hokkaido Mathematical Journal, 41巻, 31—99, 2012年02月, 査読有り
Strong time operators associated with generalized Hamiltonians
Fumio Hiroshima, Sotaro Kuribayashi, Yasumichi Matsuzawa
LETTERS IN MATHEMATICAL PHYSICS, 87巻, 115—123, 2008年12月, 査読有り
Time Operators of a Hamiltonian with Purely Discrete Spectrum
Asao Arai, Yasumichi Matsuzawa
Reviews in Mathematical Physics, 20巻, 951-978, 2008年09月, 査読有り
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, 2008年01月, 査読有り