1. 4 Feb 2023, Revisiting the moduli space of 8 points on P^1 (Japanese), Sendai modular form mini workshop@Tohoku University
2. 10 Jan 2023, Deligne-Mostow theory and beyond (English), International Seminar on Automorphic Forms (Zoom meeting)
3. 9 Jan 2023, Deligne-Mostow theory and beyond (English), East Asia Core Doctoral Forum in Mathematics@National Center for Theoretical Sciences (NCTS, Taipei)
4. 21 Jul 2022, Deligne-Mostow theory and beyond (Japanese), colloqium@Tokyo University of Science
5. 12 Jul 2022, On the geometry of higher dimensional ball quotiets (Japanese), 21-st Sendai-Hiroshima Workshop on Number Theory@Tohoku University
6. 24 Jun 2022, On the volume of unitary groups and the geometry of ball quotients (Japanese), Number theory & Automorphic forms Seminar@Osaka University
7. 27 May 2022, The Hirzebruch-Mumford volume of unitary groups and its application to the geometry of ball quotients (English), Research Seminar Number Theory and Arithmetic Geometry@Leibniz University Hannover
8. 12 May 2022, The Hirzebruch-Mumford volume of unitary groups and its application to birational types of ball quotients (Japanese), Algebraic Geometry Seminar@Nagoya University
9. 21 Jan 2022, Big line bundles on ball quotients (Japanese), Sendai modular form mini workshop@Tohoku University
10. 14 Dec 2021, Eichler orders and the Deuring correspondence (Japanese), A number thoretic approach for Post-Quantum Cryptography related to Ramanujan graphs@Kyushu University IMI
11. 26 Nov 2021, A solution to the Kudla's modularity conjectur, a study of Shimura varieties and their applications to the post-quantum cryptography (Japanese), The fifth ACT-X meeting (Zoom meeting)
12. 19 Oct 2021, Irregular cusps and Kodaira dimension of unitary modular varieties (Japanese), Number theoty Autumn workshop@Kanazawa
13. 7 Oct 2021, Modular varieties and modular forms〜intersection of number theory and algebraic geometry〜 (Japanese),Student Colloquium at Kyoto University (Zoom meeting)
14. 27 Sep 2021, Fano Shimura varieties and special modular forms (Japanese),Algebraic Number Thepry in Kyushu in 2021 on Zoom (Zoom meeting)
15. 9 Jul 2021, Fano Shimura varieties with mostly branched cusps (Japanese),Friday Tea Time Zoom Seminar (Zoom meeting)
16. 10 Jun 2021, A solution to the Kudla's modularity conjectur, a study of Shimura varieties and their applications to the post-quantum cryptography (Japanese), The fourth ACT-X meeting (Zoom meeting)
17. 10 Feb 2021, The Kodaira dimension of modular varieties (Japanese),Mathsci freshman seminar 2021 (Zoom meeting)
18. 28 Jan 2021, On the Kodaira dimension of unitary Shimura varieties (English),RIMS conference ``Automorphic forms, Automorphic representations, Galois representations, and its related topics" (Zoom meeting)
19. 18 Dec 2020, A solution to the Kudla's modularity conjectur, a study of Shimura varieties and their applications to the post-quantum cryptography (Japanese), The third ACT-X meeting (Zoom meeting)
20. 26 Nov 2020, On the Kodaira dimension of unitary Shimura varieties (English),Hannover algebraic geometry seminar (Zoom meeting)
　
21. 21 Oct 2020, Uniruledness of some unitary Shimura varieties (Japanese),Kinosaki Algebraic Geometry Symposium 2020 (Zoom meeting)
22. 8 Sep 2020, On the singularities of unitary Shimura varieties and their applications to the Kodaira dimension (Japanese),19-th Hiroshima-Sendai Workshop on Number Theory (Zoom meeting)
　　
23. 9 Feb 2020, On the modularity of special cycles on Shimura varieties (Japanese),Mathsci freshman seminar 2020@Nagoya University
24. 21 Jan 2020, On the modularity of special cycles on orthogonal Shimura varieties (English),RIMS conference "Analytic, geometric and p-adic aspects of automorphic forms and L-functions"
25. 25 Oct 2019, On the modularity of the generating series of special cycles on orthogonal Shimura varieties (Japanese),Number Theory Seminar@Kyoto University
26. 11 Feb 2019, The local Langlands conjecture for GL_n (Japanese),Mathsci freshman seminar 2019@Kyoto University