Presentations

1. TBA,

the 43rd International Symposium on Lattice Field Theory (Lattice2026), Univ. of Maryland, College Park, 2026/7/26-8/1

2. ``Lattice 2D $U(1)$ chiral gauge theory and magnetically charged vertex operators via bosonization,''

Frontiers of Lattice Fermions, YITP, 2026/7/2 (slide)

3. ``Unified exact WKB framework for quantum resonance and scattering theory,''

KEK Theory Workshop 2025, KEK, 2025/12/16 (slide)

4. ``Direct numerical simulation of 't~Hooft partition function and (de)confining phase,''

the 42nd International Symposium on Lattice Field Theory (Lattice2025), Tata Institute of Fundamental Research (TIFR), 2025/11/4 (slide)

5. ``Resonances, Spectral Theory, and the Resurgent Structure,''

Japan-UK Workshop on Quantum Gravity, RIKEN Kobe, 2025/9/23 (slide)

6. ``Lattice simulation of Wilson-'t Hooft classification in SU(2) Yang-Mills theory with θ term,''

iTHEMS NOW&NEXT 2025, Poster, RIKEN, 2025/7/24

7. ``Lattice implementation of generalized symmetry and 't Hooft anomaly,''

NCTS-iTHEMS Joint Workshop on Matters to Spacetime: Symmetries and Geometry, National Taiwan Univ., 2024/8/29 (slide)

8. ``Lattice study of RG fixed point based on gradient flow in 3D O(N) sigma model,''

the 41st International Symposium on Lattice Field Theory (Lattice2024), The Univ. of Liverpool, 2024/7/30 (slide)

9. ``Symmetry and anomaly in lattice gauge theory,''

iTHEMS NOW&NEXT 2024, Poster, RIKEN, 2024/7/19 (slide)

10. ``Lattice study of RG fixed point based on gradient flow in 3D O(N) sigma model,''

KEK Theory Workshop 2023, KEK, 2023/11/30 (slide)

11. ``How to construct generalized symmetries and 't Hooft anomaly from lattice viewpoint,''

the International Workshop on Theoretical Particle Physics 2023 (HET Camp 2023), Nambu Yoichiro Hall at Osaka Univ., 2023/9/26

12. ``Higher-group symmetry in lattice gauge theories with restricted topological sectors,''

the 40th International Symposium on Lattice Field Theory (Lattice2023), FermiLab, 2023/7/31 (slide)

13. ``Perturbative ambiguities in compactified spacetime and resurgence structure,''
    Potential Toolkit to Attack Nonperturbative Aspects of QFT -Resurgence and related topics-, Online, 2020/9/24 (slide) (video)

14. ``Resurgence structure on compactified spacetime with twisted boundary condition,''
    Asia-Pacific Symposium for Lattice Field Theory (APLAT 2020), Online, 2020/8/7 (slide)

15. ``Vacuum energy of the SUSY CP^{N-1} model on RxS^1,''
    CP^N model: recent developments and future directions, Keio Univ., 2020/1/23 (slide)

16. ``Infrared renormalon in the supersymmetric CP^{N-1} model on RxS^1,''
    KEK Theory Workshop 2019, Poster, KEK, 2019/12/5 (slide)

17. ``Numerical study of ADE-type N=2 Landau-Ginzburg models,''
    the 37th International Symposium on Lattice Field Theory (Lattice2019), Hilton Hotel Wuhan Riverside, Wuhan, China, 2019/6/23 (slide)

18. ``Numerical study of the N=2 Landau-Ginzburg model,''
    the 4th International Workshop on ``Higgs as a Probe of New Physics'' (HPNP2019), Poster, Osaka Univ., 2019/2/21 (slide)

19. ``Numerical study of the N=2 Landau-Ginzburg model,''
    KEK Theory Workshop 2018, Poster, KEK, 2018/12/19 (slide)

20. ``One-loop perturbative coupling of A and A_★ through the chiral overlap operator,''
    the 35th International Symposium on Lattice Field Theory (Lattice2017), Palace of Congress, Granada, Spain, 2017/6/23 (slide)

21. ``Lorentz symmetry violation in the fermion number anomaly with the chiral overlap operator,''
    KEK Theory Workshop 2016, Poster, KEK, 2016/12/7 (slide)

1. ``Complex scaling approach to black-hole quasinormal modes and continuum response,''

Strings and Fields 2026, Aug 17-21, 2026

2. ``Complex scaling approach to quasinormal modes of Schwarzschild and Reissner-Nordstr\"om black holes,''

JPS 2026 Annual (81st) Meeting, Univ. of Tokyo, 2026/7/14-17

3. TBA,

Particle-Physics Endeavor Across Kyushu (P^2EAK), 2026/7/18-20

4. 「複素スケーリング法による量子共鳴としての例外点の幾何学的位相」

(``Geometric phase of exceptional point as quantum resonance in complex scaling method'')

JPS 2026 Spring Meeting, Online, 2026/3/23 (slide)

5. 「動径Schrödinger方程式における複素解析構造とリサージェンス」

(``Complex Analytic Structure and Resurgence in the Radial Schrödinger Equation'')

JPS 2026 Spring Meeting, Online, 2026/3/23 (slide)

6. 「格子QCDシミュレーションによる閉じ込め相の研究」

(``Study of confinement phase based on lattice QCD simulation'')

Ikushi Prize Laureates’ Networking Meeting, Univ. of Tokyo, 2025/11/28

7. 「量子力学的共鳴を扱うための統一的な完全WKB解析の枠組み」

(``Unified exact WKB framework for quantum mechanical resonance'')

JPS 2025 Annual (80th) Meeting, Hiroshima Univ., 2025/9/19 (slide)

8. 「共鳴物理の完全WKB法による非摂動解析」

(``Non-perturbative analysis of resonance physics by exact WKB method'')

TQFT2025, The Univ. of Tokyo, 2025/9/5 (slide)

9. 「完全WKB解析を用いた共鳴現象の非摂動論的理解」

(``Non-perturbative understanding of resonant phenomena based on exact WKB analysis'')

Strings and Fields 2025, YITP, Kyoto Univ., 2025/8/1 (slide)

10. ``Winding number on 3D lattice,''

JuliaQCD User Briefing, Tsukuba Univ., 2025/5/16

11. ``Lattice non-perturbative understanding of generalized symmetries and applications,''

JPS 2025 Spring Meeting, Online, 2025/3/18 (slide)

12. 「完全WKB解析による準安定共鳴状態の非摂動定式化」

(``Non-perturbative formulation of quasi-stationary resonant state based on exact WKB method'')

JPS 2024 Annual (79th) Meeting, Hokkaido Univ., 2024/9/18

13. ``Complete implementation of generalized symmetries on the lattice,''

Discrete Approaches to the Dynamics of Fields and Space–Time 2024, Tokyo Institute of Technology, 2024/9/3 (slide)

14. 「格子ゲージ理論における一般化対称性とトポロジカル現象」

(``Generalized symmetries and topological phenomena in lattice gauge theory'')

Komaba Workshop on Non-perturbative Approaches to Quantum Field Theory, The Univ. of Tokyo, 2024/3/30 (slide)

15. 「格子場の理論におけるgeneralized symmetryの研究」

(``Studies on generalized symmetries in lattice field theory'')

JPS 2024 Spring Meeting, Online, 2024/3/18 (slide)

16. 「インスタントン数の制限された格子ゲージ理論における高次群対称性」

(``Higher-group symmetry in lattice gauge theories with restriction of instanton numbers'')

JPS 2023 Annual (78th) Meeting, Tohoku Univ., 2023/9/16 (slide)

17. 「N=2ランダウ・ギンツブルグ模型における標的空間の変形の数値的研究」

(``Numerical study of deformation of target space for the N=2 Landau-Ginzburg models'')

JPS 2021 Autumn Meeting, Online, 2021/9/14 (slide)

18. ``Renormalon in SU(N) QCD(adj.) on compactified spacetime,''
    JPS 2020 Autumn Meeting, Online, 2020/9/16 (slide)

19. ``Identification of perturbative ambiguity canceled against bion,''
    JPS 2020 Autumn Meeting, Online, 2020/9/14 (slide)

20. 「S^1コンパクト化された時空でのリサージェンス構造」

(``Resurgence structure in S^1-compactified spacetime'')
YONUPA Summer School, Online, 2020/8/28 (slide)

21. 「コンパクト化された時空における摂動論の不定性とリサージェンス構造」

(``Perturbative ambiguity in compactified spacetime and resurgence structure'')
TQFT2020, Poster, Online, 2020/8/25 (slide)

22. 「RxS^1上のCP^{N-1}模型におけるIRリノーマロン」

(``IR renormalon in the CP^{N-1} model on RxS^1'')
JPS 2020 Annual (75th) Meeting, Nagoya Univ. (Online), 2020/3/16 (slide)

23. ``Infrared renormalon in the CP^{N-1} model on RxS^1,''
    RIKEN-Kyushu workshop on particle, nuclear and astrophysics, Kyushu Univ., 2019/12/23 (slide)

24. 「N=2 Landau-Ginzburg模型におけるスケーリング次元の連続極限と精密測定」

(``Continuum extrapolation and precision measurement of the scaling dimension in the N=2 Landau-Ginzburg model'')
JPS 2019 Autumn Meeting, Yamagata Univ., 2019/9/18 (slide)

25. ``Gradient flow representation of the 4D N=2 SYM supercurrent,''
    JPS 2019 Annual (74th) Meeting, Kyushu Univ., 2019/3/17 (slide)

26. ``Numerical study of the N=2 Landau-Ginzburg model,''
    iTHEMS-Kyushu WS -from particles and nuclei to cosmos-, RIKEN Kobe Campus、2018/11/21 (slide)

27. 「複数超場を含むN=2 Landau-Ginzburg模型の数値的研究」

(``Numerical study of N=2 Landau-Ginzburg models with multiple superfields'')
JPS 2018 Autumn Meeting, Shinshu Univ., 2018/9/15 (slide)

28. ``Numerical study of N=2 Landau–Ginzburg models,''
    JPS 2018 Annual (73rd) Meeting, Tokyo Univ. of Science, 2018/3/23 (slide)

29. 「2次元超対称Landau-Ginzburg模型の数値的研究」

(``Numerical study of the two-dimensional supersymmetric Landau-Ginzburg model'')
123rd Meeting of the Kyushu Branch of JPS, Kagoshima Univ., 2017/12/9

30. ``Numerical simulation of the N=2 Landau-Ginzburg model,''
    Setouchi Summer Institute 2017 (SSI2017), 山口県由宇青少年自然の家、2017/9/28 (slide)

31. 「N=2ランダウ・ギンツブルグ模型の数値シミュレーション」

(``Numerical simulation of the N=2 Landau-Ginzburg model'')
JPS 2017 Autumn Meeting, Utsunomiya Univ., 2017/9/14 (slide)

32. ``Lorentz symmetry violation in the fermion number anomaly with the chiral overlap operator,''
    JPS 2017 Annual (72nd) Meeting, Osaka Univ., 2017/3/17 (slide)

33. 「カイラル・オーバーラップ演算子を用いたフェルミオン数アノマリーのローレンツ対称性の破れ」

(``Lorentz symmetry violation in the fermion number anomaly with the chiral overlap operator'')
122nd Meeting of the Kyushu Branch of JPS, Fukuoka Univ., 2016/12/10

1. ``Infrared Renormalons, Bion Ambiguities, and Resurgence in Compactified Gauge Theories,''

Takushoku University, 2026/3/17

2. ``Towards a nonperturbative formulation of non-Hermitian quantum physics: resonance, complex scaling, and resurgence analysis,''

Takushoku Univ., 2026/1/21 (slide)

3. ``What is quantum resonance -a viewpoint from resurgence theory-,''

Kobe Univ., 2025/11/26 (slide)

4. ``Exact WKB framework for quantum resonance and spectral theory,''

Tohoku Univ., 2025/11/21 (slide)

5. ``Non-perturbative Confirmation of the Wilson-Fisher Fixed Point via Gradient Flow in 3D O(N) Sigma Model,''

Kyoto Univ., 2025/10/29 (slide)

6. ``Exact WKB as unified analytic structure for resonance physics,''

Math-Phys Working Group in RIKEN iTHEMS, 2025/6/27 (slide)

7. ``Non-perturbative formulation of resonant quantum mechanics within unified exact WKB framework,''

Asymptotics in Astrophysics Working Group in RIKEN iTHEMS, 2025/5/28 (slide)

8. ``Winding number on 3D lattice,''

CREST Research Seminar on ``Theoretical studies of topological phases of matter,'' 2025/5/2 (slide)

9. ``Computational lattice foundation of generalized symmetry and its applications,''

Univ. of Tsukuba, 2024/11/22

10. ``Lattice non-perturbative foundation of generalized symmetry and applications,''

Shinshu Univ., 2024/11/19 (slide)

11. ``Towards computational foundations of generalized symmetries,''

Field Theory Research Team in RIKEN R-CCS, 2024/4/26 (slide)

12. ``Lattice realization of the axial U(1) non-invertible symmetry,''

YITP in Kyoto Univ., 2024/2/16 (slide)

13. ``Topological charge fractionality and higher-group of lattice higher-form gauge fields,''

Hadron Theory Group in the Univ. of Tokyo, 2023/11/9

14. ``Lattice description of generalized symmetries and topological phenomena,''

KEK, 2023/10/3 (slide)

15. ``Perturbative ambiguities and resurgence in circle-compactified theories,''
    Tokyo Institute of Technology, 2021/1/20 (slide)

16. ``Computer simulation of the N=2 Landau-Ginzburg model,''
    Osaka Univ., 2020/6/9 (slide)

17. ``Gradient flow and the Wilsonian renormalization group flow,''
    KEK, 2018/5/22 (slide)

18. ``Conformal field theory and the Landau-Ginzburg description,''
    Hokkaido Univ., 2017/11/17

19. ``Numerical study of N=2 Landau-Ginzburg models,''
    Hokkaido Univ., 2017/11/17 (slide)

1. Coffee Meeting Talk @iTHEMS, 2025/12/12:

``Aspects of Quantum Resonance Revisited'' (note) (youtube)

2. Journal Club @Durham Univ., 2025/2/17:

``Lattice implementation of gauge field topology and generalized symmetry''

3. Coffee Meeting Talk @iTHEMS, 2024/9/13:

``Gauge field topology on the lattice'' (note)

4. Journal Club, 2024/1/18:

• ``Lattice realization of the axial U(1) non-invertible symmetry''

5. Local Seminar@Osaka Univ., 2021/4/20:

``Perturbative ambiguities and resurgence in compactified spacetime'' (slide)

6. Journal Club, 2020/7/14:

• ``Nonperturbative Renormalization of Operators in Near-Conformal Systems Using Gradient Flow''

• ``Stochastic Renormalization Group and Gradient Flow''

7. Journal Club, 2019/10/18:

• ``A Quenched Momentum Prescription for Large N Theories''

8. Journal Club, 2019/2/25:

• ``Sign problem and Monte Carlo calculations beyond Lefschetz thimbles''

9. Journal Club, 2018/5/14:

• ``A Numerical method to compute the running coupling in asymptotically free theories''

10. Journal Club, 2017/9/21:

• ``String theory. Vol. 2: Superstring theory and beyond'' (Chap. 15&19)

• 「共形場理論」(Chap. 6&7)

11. Journal Club, 2016/11/4:

• ``A Chiral Solution to the Ginsparg-Wilson Equation,''

1. I. Kanamori, OM, Y. Nagai, Y. Tanizaki, A. Tomiya and H. Watanabe,

TBA,

JPS 2026 Annual (81st) Meeting, Univ. of Tokyo, 2026/7/14-17

2. I. Kanamori, OM, Y. Nagai, Y. Tanizaki, A. Tomiya and H. Watanabe,

``Gradient-Flow Actions, Integerness, and Gluonic--Fermionic Topology Matching in SU(3) Yang--Mills Theory,''

JPS 2026 Annual (81st) Meeting, Univ. of Tokyo, 2026/7/14-17

3. S. Ogawa, OM and T. Hirose,

``Quasinormal modes and continuum response of de~Sitter black holes via complex scaling method,''

JPS 2026 Annual (81st) Meeting, Univ. of Tokyo, 2026/7/14-17

4. I. Kanamori, OM, Y. Nagai, Y. Tanizaki, A. Tomiya and H. Watanabe,

``Gradient-Flow Actions, Integerness, and Gluonic--Fermionic Topology Matching in SU(3) Yang--Mills Theory,''

the 43rd International Symposium on Lattice Field Theory (Lattice2026), Univ. of Maryland, College Park, 2026/7/26-8/1

5. I. Kanamori, OM, Y. Nagai, Y. Tanizaki, A. Tomiya and H. Watanabe,

``'t Hooft Loop in SU(2) Yang-Mills Theory Revisited,''

JPS 2026 Spring Meeting, Online, 2025/3/26

6. I. Kanamori, OM, Y. Nagai, Y. Tanizaki, A. Tomiya and H. Watanabe,

``Lattice gradient flows (de-)stabilizing topological sectors for SU(3),''

JPS 2025 Annual (80th) Meeting, Hiroshima Univ., 2025/9/18

7. M. Abe, OM and H. Suzuki,

``Hybrid Monte Carlo Method with Dynamical Flux in Lattice SU(2)/Z_2 Theory and Resolution of Topological Freezing,''

JPS 2025 Annual (80th) Meeting, Hiroshima Univ., 2025/9/17

8. O. Fukushima, R. Hamazaki, OM and S. Onoda,

``Eigenstate Thermalization Hypothesis with Projective Representation,''

JPS 2025 Annual (80th) Meeting, Hiroshima Univ., 2025/9/16

9. T. Fukui, OM and H. Suzuki,

``Gradient flow for winding numbers in real-space representation,''

JPS 2025 Annual (80th) Meeting, Hiroshima Univ., 2025/9/16

10. M. Abe, OM and H. Suzuki,

``Hybrid Monte Carlo simulation of the SU(2)/Z_2 Yang-Mills theory and resolution of topological freezing,''

JPS 2025 Spring Meeting, Online, 2025/3/18

11. OM, S. Onoda and H. Suzuki,

``Yet another lattice formulation of 2D U(1) chiral gauge theory via bosonization,''

JPS 2024 Annual (79th) Meeting, Hokkaido Univ., 2024/9/16

12. M. Abe and OM,

``Applications of numerical computations of the fractional topological charge,''

JPS 2024 Annual (79th) Meeting, Hokkaido Univ., 2024/9/16

13. OM, S. Onoda and H. Suzuki,

``Novel Lattice Formulation of 2D Chiral Gauge Theory via Bosonization,''

the 41st International Symposium on Lattice Field Theory (Lattice2024), The Univ. of Liverpool, 2024/8/2

14. M. Abe and OM,

``Numerical simulation of fractional topological charge in SU(N) gauge theory coupled with Z_N 2-form gauge fields,''

the 41st International Symposium on Lattice Field Theory (Lattice2024), The Univ. of Liverpool, 2024/8/1

15. M. Abe, Y. Honda, OM, S. Onoda and H. Suzuki,

``Lattice realization of the axial U(1) non-invertible symmetry,''

JPS 2024 Spring Meeting, 2024/3/19

16. M.Abe, OM, S. Onoda, H. Suzuki and Y. Tanizaki,

``Lattice formulation of magnetic operators in 2D compact scalar theories,''

JPS 2023 Annual (78th) Meeting, Tohoku Univ., 2023/9/16

17. M. Abe, OM, S. Onoda, H. Suzuki and Y. Tanizaki,

``Fractional topological charge in 4d lattice SU(N) gauge theory,''

JPS 2023 Annual (78th) Meeting, Tohoku Univ., 2023/9/16

18. M. Abe, OM, S. Onoda, H. Suzuki and Y. Tanizaki,

``Lattice construction of mixed 't Hooft anomaly with higher-form symmetry,''

the 40th International Symposium on Lattice Field Theory (Lattice2023), FermiLab, 2023/7/31

19. M. Abe, Y. Miyakawa, OM and H. Suzuki,

``Formulation of fractional topological charge in lattice gauge theory,''

JPS 2022 Autumn Meeting, Okayama University of Science, 2022/9/8

20. OM, H. Wada and S. Yamaguchi,

``Constraints on the phase structure of linear quiver gauge theories from anomalies for one-form symmetries,''

JPS 2022 Autumn Meeting, Okayama University of Science, 2022/9/6

21. M. Tanaka, M. Kitazawa, OM and H. Suzuki,

``Analysis of Fixed Point in 3-Dimensional O(N) Scalar Model Using Gradient Flow,''

JPS 2022 Annual (77th) Meeting, Online, 2022/3/15

22. H. Takaura and OM,

``Counterargument to the expected resurgence structure concerning bion and new understanding,''

JPS 2021 Annual (76th) Meeting, Online, 2021/3/12

23. M. Ashie, OM, H. Suzuki, H. Takaura and K. Takeuchi,

``IR renormalon in SU(N) QCD(adj.) on R3xS1,''

JPS 2020 Annual (75th) Meeting, Nagoya Univ. (Online), 2020/3/16

24. H. Suzuki and OM,

``Gravitational axial U(1) anomaly via the gradient flow,''
JPS 2018 Annual (73rd) Meeting, Tokyo Univ. of Science, 2018/3/23

25. A. Kasai, OM and H. Suzuki,

``4D N=2 SUSY super current in terms of the gradient flow,''
JPS 2018 Annual (73rd) Meeting, Tokyo Univ. of Science, 2018/3/23

26. H. Makino, OM and H. Suzuki,

``Gradient flow and the Wilsonian renormalization group flow,''

JPS 2017 Autumn Meeting, Utsunomiya Univ., 2017/9/14

27. H. Makino, OM and H. Suzuki,

``One-loop perturbative coupling of A and A_★ through the chiral overlap operator,''

JPS 2017 Autumn Meeting, Utsunomiya Univ., 2017/9/14