Chongqing University and IBS CTPU-CGA Joint Workshop on the Frontiers of Theoretical Cosmology

from Wednesday, 20 May 2026 (09:00) to Friday, 22 May 2026 (18:00)
Small Lecture Hall, Chongqing University Library (图书馆小报告厅) (1F-9)

        : Sessions
    /     : Talks
        : Breaks
20 May 2026
21 May 2026
22 May 2026
AM
09:45
Opening remarks (until 10:00) (1F-9)
09:45 Opening remarks: On behalf of the host institution - Prof. Xing-Gang Wu (Chongqing university)   (1F-9)
09:50 Opening remarks: On behalf of the co-organizer - Prof. Masahide Yamaguchi (IBS CPTU-CGA)   (1F-9)
09:55 Administrative Announcements - Prof. Atsuhisa Ota (Chongqing University)   (1F-9)
10:00
Day 1 -Prof. Masahide Yamaguchi (IBS CTPU-CGA) (until 12:00) (1F-9)
10:00 An On-Shell Bootstrap Program of Cosmological Correlators - Prof. Zhong-Zhi Xianyu (Tsinghua University)   (1F-9)
10:40 Bootstrap for Features in Cosmological Correlators - Dr Yuhang Zhu (IBS-CTPU-CGA)   (1F-9)
11:10 Bootstrapping Inflationary New Physics - Dr Dong-Gang Wang (HKUST)   (1F-9)
10:00
Day 2 -Prof. Atsuhisa Ota (Chongqing University) (until 12:00) (1F-9)
10:00 Detection Capability of Multi-band Detectors for Extra Polarizations of Gravitational Waves - Prof. Jin Li (Chongqing University)   (1F-9)
10:40 Tunneling in cosmology - Prof. Masahide Yamaguchi (IBS CTPU-CGA)   (1F-9)
11:20 Generalized Entropy Induces Varying-G - Prof. Yen Chin Ong (Nanjing University of Aeronautics and Astronautics)   (1F-9)
10:00
Day 3 -Dr Dong-Gang Wang (HKUST) (until 12:00) (1F-9)
10:00 Learning Gravity from Data: Model-Independent Reconstruction of the Cosmic Expansion and Modified Gravity Theories - Dr Konstantinos Dialektopoulos (University of Malta)   (1F-9)
10:40 Unified Origin of Primordial Black Hole Dark Matter and Nanohertz Gravitational Waves - Prof. Shi Pi (Institute of Theoretical Physics, Chinese Academy of Sciences)   (1F-9)
11:20 FoPTs, PBHs, SIGWs, and SWs from early Universe - Prof. Shao-Jiang Wang ( Institute of Theoretical Physics, Chinese Academy of Sciences)   (1F-9)
PM
12:00 --- Lunch & Photo ---
13:00 --- Coffee ---
13:30
Day 1 -Prof. Zhong-Zhi Xianyu (Tsinghua University) (until 15:30) (1F-9)
13:30 Role of Dark Higgs Boson in (Astro)Particle Physics and Cosmology - Prof. Pyungwon Ko (KIAS QUC)   (1F-9)
14:10 Boosted dark matter and directional direct detection - Prof. Takaaki Nomura (Sichuan University)   (1F-9)
14:50 Black Holes as Laboratory for Dark Matter - Dr Qianhang Ding (IBS CTPU-CGA)   (1F-9)
15:30 --- Cofee break ---
16:00
Day 1 -Prof. Sam Wong (City University of Hong Kong) (until 18:10) (1F-9)
16:00 Probing Fundamental physics with extreme mass ratio inspirals - Prof. Yungui Gong (Ningbo University)   (1F-9)
16:40 Gravitational Waves from Mergers of Asymmetric Dark Stars - Dr Boris Betancourt Kamenetskaia (Institute for Basic Science CTPU-CGA)   (1F-9)
17:10 Radiation-reaction effects at 3PN order in scalar-tensor theories - Dr Eve Dones (IBS CTPU-CGA)   (1F-9)
17:40 Non-perturbative evolution of the curvature perturbation during inflation. - Dr DIEGO CRUCES (Institute of Theoretical Physics - Chinese Academy of Sciences (ITP,CAS))   (1F-9)
12:00 --- Lunch ---
13:00 --- Coffee ---
13:30
Day 2 -Dr Dražen Glavan (Institute of Physics of the Czech Academy of Sciences) (until 15:30) (1F-9)
13:30 Extensions of scalar-tensor theory: Parity violation and multiple fields - Prof. Xian Gao (Sun Yat-sen University)   (1F-9)
14:10 Rethinking Gravity: From Torsion and Nonmetricity to Black Holes and Cosmology - Dr Sebastian Bahamonde (Institute for Basic Science CTPU-CGA)   (1F-9)
14:50 Primary black-hole scalar charges and kinetic screening in K-essence-Gauss-Bonnet gravity - Dr Georg Trenkler (IBS CTPU-CGA)   (1F-9)
15:30 --- Coffee ---
16:00
Day 2 -Prof. Xian Gao (Sun Yat-sen University) (until 18:00) (1F-9)
16:00 BSM-enhanced PBH dark matter - Mr Xavier Pritchard (University of Sussex)   (1F-9)
16:15 On the survival of strong nuggets in the early Universe - Mr Haoyang Qi (Peking University)   (1F-9)
16:30 Observable Gravitational Wave Strain at Second-order - Mr Ao Wang (Institute for Theoretical Physics, Chinese Academy of Science)   (1F-9)
16:45 Superhorizon curvature perturbations in hybrid inflation - Mr Anxianyi Xiong (ITP-CAS)   (1F-9)
17:00 Massive Inflationary Amplitudes: Differential Equations and Complete Solutions for General Trees - Mr Haoyuan Liu (Tsinghua University)   (1F-9)
17:15 Massive Inflationary Amplitudes: Family-Tree Decomposition of Loop Integrands - Mr Yuanzhao Li (Tsinghua University)   (1F-9)
17:30 Massive inflationary amplitudes: new representations and degenerate limits - Mr Jiaju Zang (Tsinghua University)   (1F-9)
17:45 Gravitational waves from the early primordial black hole domination - Xin-Chen He (University of Science and Technology of China/Asia Pacific Center for Theoretical Physics)   (1F-9)
19:00 --- Banquet ---
12:00 --- Lunch ---
13:00 --- Coffee ---
13:30
Day 3 -Prof. Shi Pi (Institute of Theoretical Physics, Chinese Academy of Sciences) (until 15:30) (1F-9)
13:30 On cosmological properties of black-hole hair in linearly coupled scalar–Gauss–Bonnet theory - Dr Dražen Glavan (Institute of Physics of the Czech Academy of Sciences)   (1F-9)
14:10 The Nonlinear Tails of Black Hole Ringdown - Prof. Sam Wong (City University of Hong Kong)   (1F-9)
14:50 Quantum Treatment of Black Hole Superradiance - Dr Huiyu Zhu (Institute for Basic Science)   (1F-9)
15:30 --- Coffee ---
16:00
Day 3 (until 17:00) (1F-9)
16:00 Gravity and Cosmology -my personal recollections and perspectives- - Prof. Misao Sasaki (APCTP)   (1F-9)
17:00
Closing remarks (until 17:05) (1F-9)