I am a Postdoctoral Fellow in NCTS, National Taiwan University, with host professor Chia-Fu Yu from Academia Sinica.
I am interested in number theory and arithmetic geometry. More specifically, my research revolves around Shimura varieties and Deligne-Lusztig theory.
Here is my Curriculum Vitae.
Email: [last name]@ncts.ntu.edu.tw
Feel free to contact me in French, English or Japanese.
On the cohomology of the basic unramified PEL unitary Rapoport-Zink space of signature (1;n-1) | link, arxiv
2026, Journal of the Institute of Mathematics of Jussieu, 25(2), pp. 781-839. doi:10.1017/s1474748025101448
Cohomology of the Bruhat-Tits strata in the supersingular locus of the GU(1,n-1) Shimura variety at a ramified prime | link, arxiv
2025, Canadian Journal of Mathematics, doi:10.4153/S0008414X25101685
Cohomology of the Bruhat-Tits strata in the unramified unitary Rapoport-Zink space of signature (1;n-1) | link, arxiv
2023, Nagoya Mathematical Journal, 250, pp. 470-497. doi:10.1017/nmj.2022.39.
EKOR and BT stratifications for basic unramified GU(1,n-1) Rapoport-Zink spaces | pdf
2026, arXiv:2606.31940, submitted.
Twisted Gelfand-Ponomarev modules (With Chia-Fu Yu) | pdf
2026, arXiv:2603.12116, submitted.
The Bruhat-Tits stratification for basic unramified unitary Rapoport-Zink spaces of signature (1,n-1) at arbitrary parahoric level | pdf
2025, arXiv:2510.00580, submitted.
Nearby cycles on the local model for the GU(n-1,1) PEL Shimura variety over a ramified prime | pdf
2025, arXiv:2502.17851, to appear in Proceedings of the American Mathematical Society.
EKOR strata and Bruhat-Tits strata for unramified GU(1,n-1) Rapoport-Zink spaces.
July 2026, Morningside Center of Mathematics, Chinese Academy of Science — Beijing. | Link
Kraft quivers and twisted Gelfand–Ponomarev modules.
July 2026, 25th Sendai-Hiroshima Number Theory Workshop — Tohoku University. | Link, Notes
Kraft quivers and twisted Gelfand-Ponomarev modules.
April 2026, 月齢報告会 — Online talk. | Link, Notes
Bruhat-Tits stratification for the GU(1,n-1) Shimura variety with parahoric reduction over an inert prime.
March 2026, Postech-PMI Number Theory Seminar — Online talk. | Link, Notes
The supersingular locus at arbitrary parahoric level of the GU(1,n-1) Shimura variety over an inert prime.
March 2026, Kyushu Algebraic Number Theory Conference 2026 — Fukuoka. | Link
The supersingular locus of the GU(1,n-1) Shimura variety over an inert prime for arbitrary parahoric level.
December 2025, RIMS Conference, Algebraic Number Theory and Related Topics 2025 — Kyoto. | Link
Shimura varieties and Deligne-Lusztig theory: overview of an unexpected geometric relation.
September 2025, 2025 NCTS Postdoc Symposium — Taipei. | Link
The nearby cycles of the PEL GU(n-1,1) Shimura variety over a ramified prime.
March 2025, Waseda University Number Theory Symposium 2025 — Tokyo. | Link, Slides
The nearby cycles of the PEL GU(n-1,1) Shimura variety over a ramified prime.
February 2025, Aichi Number Theory Seminar (ANTS) — Nagoya. | Link, Slides
Cohomology of supersingular loci of Shimura varieties of Coxeter type.
October 2024, One day workshop on Shimura varieties and related moduli stacks — Kyoto. | Link
Cohomology of the supersingular locus of certain PEL Shimura varieties of Coxeter type.
December 2023, NTU x UTokyo joint conference 2023, Number Theory Session — Taipei. | Link, Slides
On the cohomology of the unramified PEL unitary Rapoport-Zink space of signature (1,n-1).
December 2022, RIMS Conference, Algebraic Number Theory and Related Topics 2022 — Kyoto. | Link, Slides
On the cohomology of the unramified PEL unitary Rapoport-Zink space of signature (1,n-1).
November 2022, MS Seminar — Kavli IPMU, the University of Tokyo. | Link
On the cohomology of the unramified PEL unitary Rapoport-Zink space of signature (1,n-1).
October 2022, Number theory seminar — Department of Mathematics, Kyoto University. | Link
On the cohomology of the unramified PEL unitary Rapoport-Zink space of signature (1,n-1).
July 2022, 21st Sendai-Hiroshima Number Theory Workshop — Tohoku University. | Link, Slides
Cohomology of the unramified PEL unitary Rapoport-Zink space of signature (1,n-1).
May 2022, Number theory seminar — Graduate School of Mathematical Sciences, the University of Tokyo. | Link
Cohomologie des espaces de Rapoport-Zink PEL unitaires non ramifiés de signature (1,n-1), en niveau maximal.
October 2021, Séminaire de Géométrie Arithmétique et Motivique — Institut Galilée, Université Sorbonne Paris Nord. | Link
2022 Teaching assistant in Analyse 1, Algèbre 1, Algèbre 6, Intégration et Probabilités in Université Sorbonne Paris Nord.
2021 Teaching assistant in Analyse 1, Algèbre 1, Outils Mathématiques 1 in Université Sorbonne Paris Nord.
2020 Teaching assistant in Analyse 3, Algèbre 3, Mathématiques for the Economics and Business Science department in Université Sorbonne Paris Nord.
Passed the JLPT N2 examination and the J-Test level pre-B examination in Japanese language proficiency in 2024.
Passed the French agrégation competitive exam in mathematics in 2019, rank 8.
Informal talk on Ramsey theory for undergraduate students as part of an event to promote the diffusion of mathematics. March 2018, Lycée du Parc, Lyon. | Slides