Curriculum Vitae

1989 Jan. Born in Hokkaido
2011 Mar. Bachelor of Sciences, Hokkaido University (advisor:Professor Akitaka Kishimoto)
2012 Nov.--2016 Mar.@FMSP course student, Leading Graduate Course for Frontiers of Mathematical Sciences and Physics
2013 Mar. Master of Mathematical Sciences, University of Tokyo, Advisor:Professor Yasuyuki Kawahigashi
Master's thesisFHaagerup property for C*-algebras and rigidity of C*-algebras with property (T)
2013 Apr.--2015 Mar. Belonging to RIMS, Kyoto university, as a reserch student, Advisor:Professor Narutaka Ozawa
2013 Apr.--2016 Mar. JSPS Research Fellowship for Young Scientists DC1, No. 25-7810.
2016 Mar. Ph.D of Mathematical Sciences, University of Tokyo(Advisor:professor Yasuyuki Kawahigashi)
Ph.D thesis:Constructions of amenable dynamical systems and their applications to nuclearity of C*-algebras
2016 Apr.--2017 Mar. JSPS Research Fellowship for Young Scientists PD, Host resercher:Professor Hiroki Matui (Chiba University).
2017 Apr.--2020 Mar. Nagoya University, Assistant Professor (tenure track position)
2020 Apr.-- Hokkaido University, Associate Professor


Awards
2011 Mar. Clark Prize, Hokkaido University.
2012 Nov.--2016 Mar.@FMSP course student, Leading Graduate Course for Frontiers of Mathematical Sciences and Physics
2013 Apr.--2016 Mar. JSPS Research Fellowship for Young Scientists DC1, No. 25-7810.
2016 Mar. Dean Prize, the University of Tokyo.
2016 Apr.--2019 Mar. JSPS Research Fellowship for Young Scientists PD, No. 28-4705 [resigned in Mar. 2017 for the assistant professor position in Nagoya.]
2019 Sep. MSJ Takebe Katahiro Prize for Encouragement of Young Researchers "Studies on operator algebras arising from topological dynamical systems",
   The Mathematical Society of Japan.
2023 Jul. Frontiers of Science Awards, the International Congress for Basic Science (Beijing)
2025 Apr. The Young Scientistsf Prize, Researches on non-commutative dynamics and operator algebras, MEXT (Ministry of Education, Culture, Sports, Science and Technology).


Selected published articles
[1]Almost finiteness for general etale groupoids and its applications to stable rank of crossed products
Int. Math. Res. Not., 2020 (2020), 6007--6041, doi:10.1093/imrn/rny187, arXiv:1702.04875
[2]Simple equivariant C*-algebras whose full and reduced crossed products coincide
J. Noncommut. Geom. 13 (2019), 1577--1585, doi:10.4171/JNCG/356 arXiv:1801.06949
[3]Complete descriptions of intermediate operator algebras by intermediate extensions of dynamical systems
Commun. Math. Phys. 375 (2020), 1273--1297, doi:10.1007/s00220-019-03436-1, online free view, arXiv:1805.02077
[4]Non-amenable tight squeezes by Kirchberg algebras
Math. Ann. 382 (2022), 631--653, doi:10.1007/s00208-021-02262-y, online free view, arXiv:1908.02971
[5]Equivariant O_2-absorption theorem for exact groups
Compos. Math. 157 (2021), Volume 7, 1492--1506, doi:10.1112/S0010437X21007168, arXiv:2004.09461
[6](With N. Ozawa)On characterizations of amenable C*-dynamical systems and new examples
Selecta Math.(N.S.) 27 (2021), Article number 92, 29pp, doi:10.1007/s00029-021-00699-2[open access], arXiv:2011.03420
[7]C*-simplicity has no local obstruction
Forum Math. Sigma 10  (2022) e18, 8 pages, doi:10.1017/fms.2022.5[open access], arXiv:2103.10404

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