Name: KEK Theory Workshop 2022
Start: 2022-12-07T08:55:00+09:00
End: 2022-12-09T18:30:00+09:00
Location: Online (Zoom)

KEK Theory Workshop 2022

from Wednesday, December 7, 2022 (8:55 AM) to Friday, December 9, 2022 (6:30 PM)

Monday, December 5, 2022
Tuesday, December 6, 2022
Wednesday, December 7, 2022

8:55 AM

8:55 AM - 9:00 AM
9:00 AM Yuya Tanizaki (YITP) "Symmetries in QFT and applications"
Yuya Tanizaki (YITP) "Symmetries in QFT and applications"
9:00 AM - 10:00 AM
Contributions

9:00 AM Symmetries in QFT and applications - Yuya Tanizaki (YITP, Kyoto University)
10:00 AM

10:00 AM - 10:20 AM
10:20 AM Satoshi Yamaguchi (Osaka U.) "Non-invertible symmetries on the lattice"
Satoshi Yamaguchi (Osaka U.) "Non-invertible symmetries on the lattice"
10:20 AM - 11:20 AM
Contributions

10:20 AM Non-invertible symmetries on the lattice - Satoshi Yamaguchi (Osaka University)
11:20 AM

11:20 AM - 1:00 PM
1:00 PM Kantaro Ohmori (U. of Tokyo) "Neutrino Masses from Generalized Symmetry Breaking"
Kantaro Ohmori (U. of Tokyo) "Neutrino Masses from Generalized Symmetry Breaking"
1:00 PM - 2:00 PM
Contributions

1:00 PM Neutrino Masses from Generalized Symmetry Breaking - Kantaro Ohmori (University of Tokyo)
2:00 PM

2:00 PM - 2:20 PM
2:20 PM
2:20 PM - 4:00 PM
Contributions

2:20 PM Solitonic symmetry beyond homotopy: invertibility from bordism and non-invertibility from TQFT - Shi Chen (The University of Tokyo)

2:40 PM Unstable Nambu-Goldstone modes - Ryo Yokokura (KEK)

3:00 PM Formation of chiral soliton lattice - Kentaro Nishimura (KEK)

3:20 PM Boson-fermion duality with subsystem symmetry - Weiguang Cao (Kavli IPMU, University of Tokyo)

3:40 PM Scalar, fermionic and supersymmetric field theories with subsystem symmetries - Taiichi Nakanishi (YITP, Kyoto Univ.)
2:20 PM - 4:20 PM
Contributions

2:20 PM Numerical studies on the IKKT matrix model using Lefschetz thimble method - Naoyuki Yamamori (SOKENDAI)

2:40 PM Analytical analysis of the bosonic Lorentzian IKKT matrix model with a mass term - Worapat Piensuk (SOKENDAI)

3:00 PM Fractional topological charge in lattice Abelian gauge theory - Motokazu Abe (Kyushu University)

3:20 PM Phase structure of linear quiver gauge theories from anomaly matching - Hiroki Wada (Osaka University)

3:40 PM Spontaneous CP breaking in 4D SU(N) gauge theory at $\theta=\pi$ and its restoration at finite temperature - Akira Matsumoto (RIKEN iTHEMS)

4:00 PM Optimized flow for generalized Lefschetz thimble method - Katsuta Sakai (Tokyo Medical and Dental University)
4:00 PM

4:00 PM - 4:30 PM

4:20 PM

4:20 PM - 4:30 PM
4:30 PM Alon Faraggi (U. of Liverpool) "Toward realistic de Sitter heterotic-string models with stable moduli"
Alon Faraggi (U. of Liverpool) "Toward realistic de Sitter heterotic-string models with stable moduli"
4:30 PM - 5:30 PM
Contributions

4:30 PM Toward realistic de Sitter heterotic-string models with stable moduli - Alon Faraggi (University of Liverpool)
Thursday, December 8, 2022
9:00 AM Masafumi Fukuma (Kyoto U.) "Sign problem and the Worldvolume Hybrid Monte Carlo method"
Masafumi Fukuma (Kyoto U.) "Sign problem and the Worldvolume Hybrid Monte Carlo method"
9:00 AM - 10:00 AM
Contributions

9:00 AM Sign problem and the Worldvolume Hybrid Monte Carlo method - Masafumi Fukuma (Kyoto University)
10:00 AM

10:00 AM - 10:20 AM
10:20 AM Daisuke Kadoh (Doshisha U.) "Tensor renormalization group in field theory"
Daisuke Kadoh (Doshisha U.) "Tensor renormalization group in field theory"
10:20 AM - 11:00 AM
Contributions

10:20 AM Tensor renormalization group in field theory - Daisuke Kadoh (Doshisha University)
11:00 AM

11:00 AM - 11:20 AM
11:20 AM Jun Nishimura (KEK) "Solving the sign problem in the IKKT model and the real-time quantum evolution by the generalized Lefschetz thimble method"
Jun Nishimura (KEK) "Solving the sign problem in the IKKT model and the real-time quantum evolution by the generalized Lefschetz thimble method"
11:20 AM - 12:00 PM
Contributions

11:20 AM Solving the sign problem in the IKKT model and the real-time quantum evolution by the generalized Lefschetz thimble method - Jun Nishimura (KEK)
12:00 PM

12:00 PM - 2:00 PM
2:00 PM
2:00 PM - 3:20 PM
Contributions

2:00 PM The emergence of (3+1)-dimensional space-time in the type IIB matrix model - Kohta Hatakeyama (KEK)

2:20 PM Bond-weighting method for the Grassmann tensor renormalization group - Shinichiro Akiyama (The University of Tokyo)

2:40 PM Path Integral and Phase Space Dynamics of U(1) Quantum Pendulum - Tetsuo Matsui (Kindai University)

3:00 PM Bounds on expectation values in Quantum mechanics - Takeshi Morita (Shizuoka University)
2:00 PM - 3:20 PM
Contributions

2:00 PM Curved domain-wall fermion and its anomaly inflow - Shoto Aoki (Osaka University)

2:20 PM A microscopic description of the Witten effect with negatively massive fermions - Hidenori Fukaya (Osaka University)

2:40 PM Reality from maximizing overlap in the periodic complex action theory - Keiichi Nagao (Ibaraki University)

3:00 PM Supersymmetric affine Toda field equations and ODE/IM correspondence - Mingshuo Zhu (Tokyo Institute of Technology)
3:20 PM

3:20 PM - 3:40 PM
3:40 PM
3:40 PM - 4:40 PM
Contributions

3:40 PM Real-time evolution of quantum tunneling via the thimble approach - Atis Yosprakob (Niigata University)

4:00 PM Exact solution of the finite Grosse-Wulkenhaar model - Naoyuki Kanomata (Tokyo University of Science)

4:20 PM Nucleon D-term in holographic QCD - Mitsutoshi Fujita (Sun Yat-Sen University)
3:40 PM - 4:40 PM
Contributions

3:40 PM Renormalization group approach to cMERA - Takaaki Kuwahara (Shizuoka University)

4:00 PM Fluid model of black hole/string transition - Yoshinori Matsuo (Kindai University)

4:20 PM Krylov complexity of free and interacting scalar QFTs in the continuum limit - Mitsuhiro Nishida (Pohang University of Science and Technology)
4:40 PM

4:40 PM - 5:00 PM
5:00 PM Hervé Partouche (Ecole Polytech.) "Stability of open-string models with broken supersymmetry"
Hervé Partouche (Ecole Polytech.) "Stability of open-string models with broken supersymmetry"
5:00 PM - 5:40 PM
Contributions

5:00 PM Stability of open-string models with broken supersymmetry - Hervé Partouche (Ecole Polytechnique)
Friday, December 9, 2022
9:00 AM Robert M. Wald (U. of Chicago) "Quantum Superpositions of Massive Bodies and Gravitationally Mediated Entanglement"
Robert M. Wald (U. of Chicago) "Quantum Superpositions of Massive Bodies and Gravitationally Mediated Entanglement"
9:00 AM - 10:00 AM
Contributions

9:00 AM Quantum Superpositions of Massive Bodies and Gravitationally Mediated Entanglement - Robert Wald (University of Chicago)
10:00 AM

10:00 AM - 10:20 AM
10:20 AM Masahiro Hotta (Tohoku U.) "Expanding Edges of Quantum Hall Systems in a Cosmology Language - Hawking Radiation from de Sitter Horizon in Edge Modes"
Masahiro Hotta (Tohoku U.) "Expanding Edges of Quantum Hall Systems in a Cosmology Language - Hawking Radiation from de Sitter Horizon in Edge Modes"
10:20 AM - 11:20 AM
Contributions

10:20 AM Expanding Edges of Quantum Hall Systems in a Cosmology Language - Hawking Radiation from de Sitter Horizon in Edge Modes - Masahiro Hotta (Tohoku University)
11:20 AM

11:20 AM - 1:00 PM
1:00 PM Yuji Sugawara (Ritsumeikan U.) "Constructions of Non-SUSY String Vacua with Vanishing Cosmological Constant"
Yuji Sugawara (Ritsumeikan U.) "Constructions of Non-SUSY String Vacua with Vanishing Cosmological Constant"
1:00 PM - 1:40 PM
Contributions

1:00 PM Constructions of Non-SUSY String Vacua with Vanishing Cosmological Constant - Yuji Sugawara (Ritsumeikan University)
1:40 PM

1:40 PM - 2:00 PM
2:00 PM
2:00 PM - 3:40 PM
Contributions

2:00 PM Entropy and its conservation in expanding Universe - Shinya Aoki (Yukawa Institute for Theoretical Physics, Kyoto University)

2:20 PM Entropy constraints on effective field theory - Daiki Ueda (Peking University)

2:40 PM No Smooth Beginning for The Universe and Trans-Planckian Physics - Hiroki Matsui (Yukawa Institute for Theoretical Physics, Kyoto University)

3:00 PM Numerical study of quantum cosmology by the generalized Lefschetz thimble method - Chien Yu Chou (SOKENDAI)

3:20 PM Path integrals of perturbative strings on all the curved backgrounds from string geometry theory and a potential energy of the backgrounds - Matsuo Sato (Hirosaki University)
2:00 PM - 3:40 PM
Contributions

2:00 PM M2-branes and q-Painleve equations - Tomoki Nosaka (Kavli Institute for Theoretical Sciences, University of Chinese Academy of Sciences)

2:20 PM 6d Seiberg-Witten curves for E-string and Little string theories from 5-brane webs - Yuji Sugimoto (POSTECH)

2:40 PM Axiomatic rational RG flow - Ken Kikuchi (YMSC)

3:00 PM Application of Nambu Dynamics to Non-equilibrium thermodynamics - Yoshiki Matsuoka (The Open University of Japan)

3:20 PM Hierarchical structure of physical Yukawa couplings from matter field Kaehler metric - Hajime Otsuka (Kyushu University)
3:40 PM

3:40 PM - 4:00 PM
4:00 PM Suvrat Raju (ICTS) "Holography of information and the black-hole information paradox"
Suvrat Raju (ICTS) "Holography of information and the black-hole information paradox"
4:00 PM - 5:30 PM
Contributions

4:00 PM Holography of information and the black-hole information paradox - Suvrat Raju (ICTS)
5:30 PM

5:30 PM - 5:35 PM