Talks

Conferences

1. Noncommutative L^p spaces, Junior Meeting on Functional Analysis, Kusatsu, Japan, August 2016.
2. Symmetric operator spaces, Berkeley-Tokyo Autumn School ---Quantum Field Theory and Subfactors---, UC Berkeley, USA, November 2016.
3. Classiﬁcation of noncommutative L^p spaces, Junior Meeting on Functional Analysis, Nara, Japan, August 2017.
4. Isometries between projection lattices of von Neumann algebras, Preservers: Modern Aspects and New Directions, Queen's University Belfast, UK, June 2018.
5. Isometries between projection lattices of von Neumann algebras, Junior Meeting on Functional Analysis, Kyoto, Japan, August 2018.
6. Preserver problems and isometries of operator algebras, Recent Developments in Operator Algebras, RIMS, Kyoto, Japan, September 2018.
7. Isometries between projection lattices of von Neumann algebras, MSJ Autumn Meeting 2018, Okayama University, Japan, September 2018.
8. Order isomorphisms of operator intervals in von Neumann algebras, East Asian Core Doctoral Forum on Mathematics 2019, Tohoku University, Japan, January 2019.
9. Preserver problems and isometries of operator algebras, Researches on isometries as preserver problems and related topics, RIMS, Kyoto, Japan, January 2019.
10. Isometries between projection lattices of von Neumann algebras, Operator Algebras, Groups and Applications to Quantum Information Workshop II, ICMAT, Madrid, Spain, May 2019.
11. Order isomorphisms of von Neumann algebras, Interactions between Noncommutative Analysis and Quantum Information Theory, IASM of HIT, China, June 2019.
12. Order isomorphisms of von Neumann algebras, The Fifteenth Workshop on Numerical Ranges and Numerical Radii, Toyo University, Japan, June 2019.
13. Order isomorphisms of von Neumann algebras, IWOTA 2019 (Special Session: Preserver Problems in Operator Theory and Functional Analysis), Instituto Superior Técnico, Lisbon, Portugal, July 2019.
14. On 2-local isometries on normed spaces and C*-algebras, MSJ Autumn Meeting 2019, Kanazawa University, Japan, September 2019.
15. Isomorphisms between projection lattices of von Neumann algebras, Junior Meeting on Functional Analysis, Ise, Japan, September 2019.
16. Loewner's theorem for maps on operator domains, Recent Developments in Operator Algebras, Zoom, September 2020.
17. Loewner's theorem for maps on operator domains, Workshop on Operator Theory and Operator Algebras, Zoom, November 2020.
18. The structure of maps on the space of all quantum pure states that preserve a fixed quantum angle, MSJ Spring Meeting 2021, Zoom, March 2021.
19. Loewner's theorem for maps on operator domains, 8th European Congress of Mathematics (Minisymposium: Recent Developments on Preservers), Zoom, June 2021.
20. Continuous coexistency preservers on effect algebras, MSJ Autumn Meeting 2021, Zoom, September 2021.
21. Lattices of projections and their isomorphisms, Research on preserver problems on Banach algebras and related topics, Zoom, October 2021.
22. Lattice isomorphisms between projection lattices of von Neumann algebras, The 61st joint symposium of real and functional analysis, Nihon University, Japan, August 2022.
23. Wigner's unitary-antiunitary theorem and its variants, Recent Developments in Operator Algebras, RIMS, Kyoto, Japan, September 2022.
24. Lattice isomorphisms between projection lattices of von Neumann algebras, MSJ Autumn Meeting 2022, Hokkaido University, Japan, September 2022.
25. Loewner's theorem for maps on operator domains, 2022 Japan-China International Conference on matrix theory with applications, Ritsumeikan University, Japan, December 2022.
26. Nonexpansive and noncontractive mappings on the set of quantum pure states, MSJ Autumn Meeting 2023, Tohoku University, Japan, September 2023.
27. On the distance from a matrix to nilpotents, Workshop on Operator Theory and Operator Algebras, Kyushu University, Japan, November 2023.
28. On the shape of correlation matrices for projections and unitaries, 12th Shinshu Functional Analysis Symposium, Shinshu University, Japan, December 2023.
29. On the Scottish Book Problem 155 by Mazur and Sternbach, MSJ Spring Meeting 2024, Osaka Metropolitan University, Japan, March 2024.
30. Nonexpansive and noncontractive mappings on the set of quantum pure states, IWOTA 2024 (Special session "Jordan Algebra Structures and Operator Theory"), University of Kent, UK, August 2024.
31. On the shape of correlation matrices for unitaries, MSJ Autumn Meeting 2024, Osaka University, Japan, September 2024.
32. On the distance from a projection to nilpotents, The 63rd joint symposium of real and functional analysis, University of Tokyo, Japan, September 2024.
33. 未解決問題が解きたい！ (3 talks, in Japanese), Junior Meeting on Functional Analysis, Hokkaido University, Japan, September 2024.

Seminars

1. Tingley's problem for operator algebras, Operator Algebra Seminar at the University of Tokyo, Japan, January 2018.
2. Tingley's problem for operator algebras, Kyoto Operator Algebra Seminar, Japan, February 2018.
3. Tingley's problem and the Mazur-Ulam property for operator algebras, Quantum Analysis Seminar, Nagoya University, Japan, May 2018.
4. The Mazur-Ulam property for unital C*-algebras, Operator Algebra Seminar at the University of Tokyo, Japan, October 2018.
5. Isometries between projection lattices of von Neumann algebras, Operator Algebras Theory and Ergodic Theory Seminar, Kyushu University, Japan, November 2018.
6. Isometries between substuctures of operator algebras (2 talks), Linear Analysis Seminar, Texas A&M University, USA, February 2019.
7. Isometries between projection lattices of von Neumann algebras, Seminar za algebro in funkcionalno analizo, University of Ljubljana, Slovenia, May 2019.
8. Order isomorphisms of von Neumann algebras, Quantum Analysis Seminar, Nagoya University, Japan, July 2019.
9. Order embeddings of matrix intervals, Pure Mathematics Seminar, University of Reading, UK, December 2019.
10. Lattice isomorphisms between projection lattices of von Neumann algebras, Séminaire d'Algèbres d'Opérateurs, IMJ-PRG (Sophie Germain), Paris, France, December 2019.
11. Order embeddings of matrix intervals, Séminaire d'algèbre et de géométrie, Laboratoire de Mathématiques Nicolas Oresme, Caen, France, January 2020.
12. Continuous coexistency preservers on effect algebras, Analízis szeminárium, University of Szeged, Hungary, February 2020.
13. Order embeddings of matrix intervals, UMPA ENS de Lyon, France, February 2020.
14. Lattice isomorphisms between projection lattices of von Neumann algebras, Tokyo-Kyoto Joint Online Operator Algebra Seminar, Zoom, April 2020.
15. Lattice isomorphisms between projection lattices of von Neumann algebras, Preserver Webinar, Zoom, June 2020.
16. Loewner's theorem for maps on operator domains / The structure of maps on the space of all quantum pure states that preserve a fixed quantum angle, iTHEMS Math Seminar, Zoom, May 2021.
17. Boolean algebras and operator algebras, iTHEMS Information Theory SG Seminar, Zoom, November 2021.
18. On regular *-algebras of bounded linear operators: A new approach towards a theory of noncommutative Boolean algebras, Tokyo-Kyoto Joint Online Operator Algebra Seminar, Zoom, November 2021.
19. Lattice isomorphisms between projection lattices of von Neumann algebras and ring isomorphisms of locally measurable operator algebras, Kyoto Operator Algebra Seminar, Japan, July 2022.
20. Ring isomorphisms of locally measurable operator algebras, Operator Algebra Seminar at the University of Tokyo, Japan, November 2022.
21. Ring isomorphisms of locally measurable operator algebras, Operator Algebras Theory and Ergodic Theory Seminar, Kyushu University, Japan, January 2023.
22. Ring isomorphisms of locally measurable operator algebras, Seminar za algebro in funkcionalno analizo, University of Ljubljana, Slovenia, February 2023.
23. On the Scottish Book Problem 155 by Mazur and Sternbach, Operator Algebra Seminar at the University of Tokyo, Japan, November 2023.
24. Optimal version of the fundamental theorem of chronogeometry, Operator Algebra Seminar at the University of Tokyo, Japan, May 2024.
25. The distance from a projection to nilpotents, Operator Algebras Theory and Ergodic Theory Seminar, Kyushu University, Japan, July 2024.
26. Optimal version of the fundamental theorem of chronogeometry, Kyoto Operator Algebra Seminar, Japan, November 2024.

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