Name: Shanghai-APCTP-Sogang-GIST workshop on Gravity, Astroparticle, and Cosmology (SASGAC 2025)
Start: 2025-12-26T12:00:00+09:00
End: 2025-12-29T22:00:00+09:00
Location: Sogang University

Monday, December 22, 2025
Tuesday, December 23, 2025
Wednesday, December 24, 2025
Thursday, December 25, 2025
Friday, December 26, 2025

4:00 PM Tea Party
Tea Party
4:00 PM - 4:30 PM
4:30 PM CQUeST
CQUeST
4:30 PM - 6:00 PM
Room: 1029
Contributions

4:30 PM New physics of Early Dark Energy from the Cosmic Birefringence - Lu Yin
Saturday, December 27, 2025
9:30 AM Dec. 27 (Sat)
Dec. 27 (Sat)
9:30 AM - 10:30 AM
Contributions

9:30 AM Black Holes as Laboratories for Dark Matter - Qianhang Ding (Institute for Basic Science)

10:00 AM Exploring the complementarity of WIMP direct detection and capture in celestial bodies using WimPyDD and WimPyC - Sunghyun Kang (CQUeST)
10:30 AM Break
Break
10:30 AM - 11:00 AM
11:00 AM Dec. 27 (Sat)
Dec. 27 (Sat)
11:00 AM - 12:10 PM
Contributions

11:00 AM Thermodynamic phase structures and Quasi-normal mode of Nonlinear charged black hole - Yu-Qi Lei

11:30 AM New thermodynamic phases and probes in Lyapunov exponents of EEH-AdS black holes - ZiYu Hou

11:50 AM Gravitational Wave signals of FOPT in SO(10) - Injun Jeong
12:10 PM Break
Break
12:10 PM - 12:20 PM
12:20 PM Dec. 27 (Sat)
Dec. 27 (Sat)
12:20 PM - 12:50 PM
Contributions

12:20 PM Effective field theory of coupled dark energy and dark matter - Masroor Pookkillath (Center for Quantum Spacetime, Sogang University)
12:50 PM Lunch
Lunch
12:50 PM - 1:30 PM

1:30 PM Free discussion
Free discussion
1:30 PM - 6:00 PM

6:00 PM Dinner
Dinner
6:00 PM - 7:30 PM
Sunday, December 28, 2025
9:30 AM Gravity
Gravity
9:30 AM - 10:30 AM
Contributions

9:30 AM The Routhian way of Attractor mechanism - Sourav Roychowdhury

10:00 AM Improved PST Action for IIB Supergravity & Holography Beyond the AdS5xS5 Solutions - Soumya Adhikari
10:30 AM Break
Break
10:30 AM - 11:00 AM
11:00 AM
11:00 AM - 12:10 PM
Contributions

11:00 AM Gravitational charges and radiation in asymptotically locally de Sitter spacetimes - Aaron Poole

11:30 AM Equivalence of Stability Criteria for Neutron-Dark Matter Mixed Stars - Kilar Zhang
12:10 PM Group photo
Group photo
12:10 PM - 12:30 PM

12:30 PM Lunch
Lunch
12:30 PM - 1:30 PM
1:30 PM
1:30 PM - 2:30 PM
Contributions

1:30 PM Cosmological Potential of Gravitational Wave Memory with Future Detectors - Susmita Jana

2:00 PM Unbounded Radius of Innermost Stable Circular Orbit in Higher-Dimensional Black Holes - Hocheol Lee (Dongguk University)
2:30 PM Break
Break
2:30 PM - 3:00 PM
3:00 PM
3:00 PM - 4:00 PM
Contributions

3:00 PM Prospects of heavy dark Z_D at multi-TeV muon colliders - Prasenjit Sanyal

3:30 PM Illuminating Scalar Dark Matter Co-Scattering in EFT with Monophoton Signatures - Abhishek Roy
4:00 PM Break
Break
4:00 PM - 4:30 PM
4:30 PM
4:30 PM - 5:30 PM
Contributions

4:30 PM Comments on dynamical gauge fields in holography - Shuta Ishigaki
5:30 PM Banquet
Banquet
5:30 PM - 8:30 PM