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Talks

Academic talks and presentations.

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1.
On the Kodaira dimension of unitary Shimura varieties
English

Mini-workshop on Arithmetic Geometry in Sendai, Dec 22 2025.

2.
On the Kodaira dimension of even-dimensional ball quotients from automorphic representation theory
Japanese

Algebraic Number Theory and Related Topics, Dec 19 2025.

3.
On the Kodaira dimension of Shimura varieties of unitary type
English

Research Seminar Algebraic Geometry at Leibniz University Hannover, Nov 27 2025.

4.
A Geometric Approach to Transformer-Based Algebraic Computation
English

Geometric Science of Information, Oct 29 2025.

5.
On the Kodaira dimension of even-dimensional ball quotients
English

Algebraic geometry seminar at University of Colorado, Oct 23 2025.

6.
On the Kodaira dimension of Shimura varieties of unitary type
English

Arithmetic geometry seminar at University of California, Berkeley, Oct 10 2025.

7.
On the Kodaira dimension of Shimura varieties of unitary type
English

Arithmetic geometry seminar at University of California, Berkeley, Oct 10 2025.

8.
On the Kodaira dimension of even-dimensional ball quotients
English

Pure mathematics seminar at University of Nottingham, Sep 16 2025.

9.
The Kodaira dimension of ball quotients via automorphic representation theory
English

International Workshop on Automorphic Forms at SwissMAP, Sep 04 2025

10.
Deep learning and algebraic geometry
English

TU ilmenau, Aug 04 2025.

11.
On the Kodaira dimension of even-dimensional ball quotients
English

Algebraic geometry seminar at Heidelberg university, Jul 28 2025.

12.
Geometric Foundations for Transformer in Gröbner Basis Computation
English

30th Applications of Computer Algebra (ACA 2025) at Heraklion, (Crete, Greece), Jul 13 2025.

13.
Volume formulae for algebraic groups
Japanese

Sendai modular form mini workshop at Tohoku, Feb 08 2025.

14.
Generalization capacity of singular models in quantum state estimation
English

Quantum Techniques in Machine Learning (QTML2024) at Melbourne, Australia, Nov 24 2024.

15.
Quantum PC algorithm: data-efficient and nonlinear causal discovery
English

IEEE International Conference on Quantum Computing and Engineering at Montréal, Canada, Sep 14 2024.

16.
A quantum widely applicable information criterion for quantum state estimation
English

Joint Symposium on Quantum Computing 2024 at National Taiwan University, Aug 23 2024.

17.
A solution to Kudla's modularity conjecture, a study of Shimura varieties and its application to the post-quantum cryptography
Japanese

ACT-X: Debriefing session at Tokyo, Apr 25 2024.

18.
Extendability of the period maps on M_{0,n}
Japanese

Tohoku Automorphic mini-seminar at Tohoku University, Feb 02 2024.

19.
Extendability of the period maps on M_{0,n}
Japanese

Number Theory Seminar at Kyoto University, Nov 30 2023.

20.
Extendability of the period maps on M_{0,n}
Japanese

Tsuda Seisuron Workshop 2023 at Tsuda University, Nov 17 2023.

21.
Modular interpretation of the moduli spaces of weighted pointed stable rational curves
Japanese

Nagoya Algebraic Geometry Seminar at Nagoya University, Jul 06 2023.

22.
Modular interpretation of the moduli spaces of weighted pointed stable rational curves
Japanese

Number Theory Seminar at Waseda University, Jun 29 2023.

23.
Deligne-Mostow theory and beyond
Japanese

poster presentation at Session Young Mathematicians Challenges at Tokyo, Mar 13 2023.

24.
Revisiting the moduli space of 8 points on P 1 P^1 P 1
Japanese

Sendai modular form mini workshop at Tohoku University, Feb 04 2023.

25.
Deligne-Mostow theory and beyond
English

International Seminar on Automorphic Forms at Zoom meeting, Jan 10 2023.

26.
Deligne-Mostow theory and beyond
English

East Asia Core Doctoral Forum in Mathematics at National Center for Theoretical Sciences (NCTS, Taipei), Jan 09 2023.

27.
Deligne-Mostow theory and beyond
Japanese

colloqium at Tokyo University of Science, Jul 21 2022.

28.
On the geometry of higher dimensional ball quotiets
Japanese

21-st Sendai-Hiroshima Workshop on Number Theory at Tohoku University, Jul 12 2022.

29.
On the volume of unitary groups and the geometry of ball quotients
Japanese

Number theory & Automorphic forms Seminar at Osaka University, Jun 24 2022.

30.
The Hirzebruch-Mumford volume of unitary groups and its application to the geometry of ball quotients
English

Research Seminar Number Theory and Arithmetic Geometry at Leibniz University Hannover, May 27 2022.

31.
The Hirzebruch-Mumford volume of unitary groups and its application to birational types of ball quotients
Japanese

Algebraic Geometry Seminar at Nagoya University, May 12 2022.

32.
Big line bundles on ball quotients
Japanese

Sendai modular form mini workshop at Tohoku University, Jan 21 2022.

33.
Eichler orders and the Deuring correspondence
Japanese

A number thoretic approach for Post-Quantum Cryptography related to Ramanujan graphs at Kyushu University IMI, Dec 14 2021.

34.
A solution to the Kudla's modularity conjecture, a study of Shimura varieties and their applications to the post-quantum cryptography
Japanese

The fifth ACT-X meeting(Zoom meeting) at Tokyo, Nov 26 2021.

35.
Irregular cusps and Kodaira dimension of unitary modular varieties
Japanese

Number theory Autumn workshop at Kanazawa, Oct 19 2021.

36.
Modular varieties and modular forms〜intersection of number theory and algebraic geometry〜
Japanese

Student Colloquium at Kyoto University (Zoom meeting), Oct 07 2021.

37.
Fano Shimura varieties and special modular forms
Japanese

Algebraic Number Theory in Kyushu in 2021 on Zoom (Zoom meeting), Sep 27 2021.

38.
Fano Shimura varieties with mostly branched cusps
Japanese

Friday Tea Time Zoom Seminar (Zoom meeting), Jul 09 2021.

39.
A solution to the Kudla's modularity conjecture, a study of Shimura varieties and their applications to the post-quantum cryptography
Japanese

The fourth ACT-X meeting (Zoom meeting) at Tokyo, Jun 10 2021.

40.
The Kodaira dimension of modular varieties
Japanese

Mathsci freshman seminar 2021 (Zoom meeting), Feb 10 2021.

41.
On the Kodaira dimension of unitary Shimura varieties
English

Galois representations at RIMS conference Automorphic forms, Jan 28 2021.

42.
A solution to the Kudla's modularity conjecture, a study of Shimura varieties and their applications to the post-quantum cryptography
Japanese

The third ACT-X meeting (Zoom meeting) at Tokyo, Dec 18 2020.

43.
On the Kodaira dimension of unitary Shimura varieties
English

Hannover algebraic geometry seminar (Zoom meeting), Nov 26 2020.

44.
Uniruledness of some unitary Shimura varieties
Japanese

Kinosaki Algebraic Geometry Symposium 2020 (Zoom meeting), Oct 21 2020.

45.
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), Sep 08 2020.

46.
On the modularity of special cycles on Shimura varieties
Japanese

Mathsci freshman seminar 2020 at Nagoya University, Feb 09 2020.

47.
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" at Kyoto University, Jan 21 2020.

48.
On the modularity of the generating series of special cycles on orthogonal Shimura varieties
Japanese

Number Theory Seminar at Kyoto University, Oct 25 2019.

49.
The local Langlands conjecture for GLn
Japanese

Mathsci freshman seminar 2019 at Kyoto University, Feb 11 2019.