Name: CQUeST 2026 Workshop on Cosmology and Quantum Spacetime
Start: 2026-07-20T09:00:00+09:00
End: 2026-07-24T12:00:00+09:00
Location: St. John's Hotel, Gangneung

CQUeST 2026 Workshop on Cosmology and Quantum Spacetime

from Monday, July 20, 2026 (9:00 AM) to Friday, July 24, 2026 (12:00 PM)

Monday, July 20, 2026
Tuesday, July 21, 2026
9:30 AM
9:30 AM - 12:00 PM
Room: Babuda Ballroom, 4F, Ocean tower
Contributions

9:30 AM Micro Black Holes may be Dark Matter of the Universe - Misao Sasaki (APCTP)

11:00 AM Multi-component Dark Matter from Hidden Gauge Symmetries - Pyungwon Ko (KIAS QUC)

11:30 AM Spontaneous Leptogenesis in Type I Seesaw - Eung Jin Chun (Korea Institute for Advanced Study)
12:00 PM Lunch Break
Lunch Break
12:00 PM - 1:30 PM
Room: Babuda Ballroom, 4F, Ocean tower
1:30 PM
1:30 PM - 4:00 PM
Room: Babuda Ballroom, 4F, Ocean tower
Contributions

1:30 PM Comments on Dynamical Dark Energy - Eoin O Colgain (Atlantic Technological University)

2:00 PM Long-Lived Heavy Neutrinos from Neutrinophilic Charged Higgs at the HL-LHC - Prasenjit Sanyal (CQUeST, Sogang University)

2:30 PM Dark Photon–Mediated Inelastic Dark Matter: Implications for Cosmology, Astrophysics, and Collider Phenomenology - Abhishek Roy (CQUeST, Sogang University)

3:00 PM Searching for Dark Photon Tridents Through Primordial Black Hole Signatures - Sin Kyu Kang (SeoulTech)
4:00 PM
4:00 PM - 5:30 PM
Room: Babuda Ballroom, 4F, Ocean tower
Contributions

4:00 PM Quadratic effective energy-momentum tensor during Inflation in various gauge conditions - Inyong Cho (SeoulTech)

4:30 PM Constraining Spatial Curvature with Priors from Swampland Conjectures - Simran Arora (Yukawa Institute for Theoetical Physics, Kyoto University, Japan)

5:00 PM Testing O(D,D) string cosmology based on double field theory - Stephen Angus (CQUeST, Sogang Universtiy)
Wednesday, July 22, 2026
9:30 AM
9:30 AM - 12:00 PM
Room: Babuda Ballroom, 4F, Ocean tower
Contributions

9:30 AM Spacetime picture of strange metal - Sang-Jin Sin (Hanyang University)

11:00 AM Dual gravities from entanglement entropy - Chanyong Park (GIST)

11:30 AM Cosmology of ultralight scalar field dark matter - Jae-Weon Lee (Jungwon University)
12:00 PM Lunch Break
Lunch Break
12:00 PM - 1:30 PM
Room: Babuda Ballroom, 4F, Ocean tower
1:30 PM
1:30 PM - 4:00 PM
Room: Babuda Ballroom, 4F, Ocean tower
Contributions

1:30 PM Deep Learning Bulk Spacetime from Boundary Quantum Data - Keun-Young Kim (GIST)

2:00 PM Magnetic Relics from Non-Adiabatic Photon Squeezing during Inflation - Hyeong-Chan Kim (Korea National University of Transportation)

2:30 PM Near-Extremal Black Holes with Yang-Mills Instantons - Hyun Seok Yang (GIST)

3:00 PM Defect Mass Deformation of ABJM Theory - Kyung Kiu Kim (Kookmin University)
4:00 PM
4:00 PM - 5:00 PM
Room: Babuda Ballroom, 4F, Ocean tower
Contributions

4:00 PM One-loop Partition Functions from Quasinormal Modes and Trace Formulas - Sang-Eon Bak (Arizona State University)

4:30 PM Primordial Black Holes in Einstein–Dilaton–Gauss–Bonnet Gravity - Madhu Mishra (CQUeST, Sogang University)
Thursday, July 23, 2026
9:30 AM
9:30 AM - 12:00 PM
Room: Babuda Ballroom, 4F, Ocean tower
Contributions

9:30 AM Quantum black holes: inside and outside - Dong-han Yeom (Pusan National University)

11:00 AM Stochastic dynamics from O(2N) fractional Laplacian vector model and O(N) vector model free energy in finite temperature - Jae-Hyuk Oh (Hanyang University)

11:30 AM D-instanton effects on the Holographic Weyl semimetals - Yunseok Seo (Kookmin University)
12:00 PM Lunch Break
Lunch Break
12:00 PM - 1:30 PM
Room: Babuda Ballroom, 4F, Ocean tower
1:30 PM
1:30 PM - 4:00 PM
Room: Babuda Ballroom, 4F, Ocean tower
Contributions

1:30 PM Scalarized extremal black holes - Yun Soo MYUNG (CQUeST, Sogang University)

2:00 PM Fortuity and relevant deformation - Seunggyu Kim (KAIST)

2:30 PM Large N Universality of 4d N=1 SCFTs with Simple Gauge Groups - Minseok Cho (KAIST)

3:00 PM Black hole microstates - Jehyun Lee (Seoul National University)
4:00 PM
4:00 PM - 6:00 PM
Room: Babuda Ballroom, 4F, Ocean tower
Contributions

4:00 PM Attractor mechanism : Trio of effective black hole potential, entropy functional and Routhian - Sourav Roychowdhury (CQUeST, Sogang University)

4:30 PM Holography and Superstring Theory: 10D and 11D Supergravity - Soumya Adhikari (CQUeST, Sogang University)

5:00 PM Perturbation Theory of Nicolai Map for the 4D N = 1 Pure Supergravity - Jun Hyeok Lee (Hanyang University)
Friday, July 24, 2026