Dark matter and black holes
from
Monday, 1 December 2025 (08:00)
to
Friday, 5 December 2025 (18:00)
Monday, 1 December 2025
09:00
Registration
Registration
09:00 - 09:30
Room: Lecture Hall
09:30
Coffee break/Discussion
Coffee break/Discussion
09:30 - 09:50
Room: Lecture Hall
09:50
Opening Remark
09:50 - 10:00
Room: Lecture Hall
10:00
Plenary 1-2: Surjeet Rajendran and Jonathan Tan
10:00 - 11:00
Room: Lecture Hall
Contributions
10:00
Conservative Thoughts on Black Holes
-
Surjeet Rajendran
10:30
The Origin of Supermassive Black Holes from Pop III.1 Seeds and Implications for Particle Physics and Cosmology
-
Jonathan Tan
11:00
Coffee break
11:00 - 11:20
Room: Lecture Hall
11:20
Contributed talks
11:20 - 12:20
Room: Lecture Hall
Contributions
11:20
Searches for dark sector particles at Belle and Belle II
-
Sourav Dey
11:40
Finding Macroscopic Dark Matter
-
Zachary Picker
12:00
Fermionic freeze-in from flavon portal
-
Nandini Das
12:20
Lunch
Lunch
12:20 - 14:30
Room: Lecture Hall
14:30
Plenaries 3: Kazunori Kohri
14:30 - 15:00
Room: Lecture Hall
Contributions
14:30
Verifying primordial black holes as dark matter by mergers, evaporation, and occasionally the memory burden effect
-
Kazunori Kohri
15:00
Coffee break
Coffee break
15:00 - 15:30
Room: 3rd floor
15:30
Contributed talks
15:30 - 16:30
Room: Lecture Hall
Contributions
15:30
Bosonic dark matter dynamics in neutron stars
-
Deep Ghosh
15:50
A Dark Matter Probe in Accreting Pulsar–Black Hole Binaries
-
Ali Akil
16:10
Dark matter spikes with strongly self-interacting particles
-
Takashi Toma
Tuesday, 2 December 2025
09:30
Coffee break/Discussion
Coffee break/Discussion
09:30 - 10:00
Room: Lecture Hall
10:00
Plenaries 4-5:George Fuller and Yifan Lu
10:00 - 11:00
Room: Lecture Hall
Contributions
10:00
Supermassive Stars: evading (temporarily!) the inevitable with Dark Matter
-
George Fuller
10:30
Dark Matter and the Formation of Direct Collapse Supermassive Black Holes
-
Yifan Lu
11:00
Coffee break
11:00 - 11:20
Room: Lecture Hall
11:20
Contributed talks
11:20 - 12:20
Room: Lecture Hall
Contributions
11:20
20 GeV halo-like gamma-ray excess: dark matter annihilation?
-
Tomonori Totani
11:50
Vacuum relics in ultra-slow-roll inflation
-
Albert Escrivà
12:20
Lunch
Lunch
12:20 - 14:00
14:00
Plenaries 6-7: Sachiko Kuroyanagi and Stefano Profumo
14:00 - 15:00
Room: Lecture Hall
Contributions
14:00
LVK O4a Constraints on Primordial Black Holes
-
Sachiko Kuroyanagi
14:30
Planck relics as dark matter
-
Stefano Profumo
15:00
Coffee break
Coffee break
15:00 - 15:30
Room: 3rd floor
15:30
Contributed talks
15:30 - 16:30
Room: Seminar Room A
Contributions
15:30
Exotic defect dynamics in axion cosmology
-
Yu Komiya
15:50
PBHs and Dark Matter Regurgitation from First Order Phase Transitions
-
Philip Lu
16:10
BSM-enhanced PBH Dark Matter
-
Xavier Pritchard
16:30
Poster presentation
16:30 - 17:30
Room: Lecture Hall
Wednesday, 3 December 2025
09:30
Discussions and collaborative work
09:30 - 12:00
Room: Lecture Hall
12:00
Lunch break
Lunch break
12:00 - 14:00
15:00
IPMU tea time
IPMU tea time
15:00 - 15:30
Room: 3rd floor
Thursday, 4 December 2025
09:30
Coffee break/Discussion
Coffee break/Discussion
09:30 - 10:00
Room: Lecture Hall
10:00
Plenaries 8-9: Lucio Mayer and John Silverman
10:00 - 11:00
Room: Lecture Hall
Contributions
10:00
The role of dark matter in the origin and dynamical evolution of massive black binaries towards the LISA band
-
Lucio Mayer
10:30
TBA
-
John Silverman
11:00
Coffee break
11:00 - 11:20
Room: Lecture Hall
11:20
Contributed talks
11:20 - 12:20
Room: Lecture Hall
Contributions
11:20
Primordial Black Hole formation from power spectrum with finite width
-
Jianing Wang
11:40
When Tiny Halos Stir Spacetime: Gravitational Waves from the Fifth Forces
-
Xinpeng Wang
12:00
Exploring Ultra-Slow-Roll Inflation in Composite Pseudo-Nambu–Goldstone Boson Models: Implications for Primordial Black Holes and Gravitational Waves
-
Marco Merchand Medina
12:20
Group photo
Group photo
12:20 - 12:30
Room: Lecture Hall
12:30
Lunch break
Lunch break
12:30 - 14:00
14:00
Plenaries 10-11: Michael Zantedeschi and Haibo Yu
14:00 - 15:00
Room: Lecture Hall
Contributions
14:00
Evaporating black holes: how the burden of their memory stabilizes them
-
Michael Zantedeschi
14:30
Seeding Supermassive Black Holes from the Dark Sector
-
Haibo Yu
15:00
Coffee break
Coffee break
15:00 - 15:30
Room: 3rd floor
15:30
Contributed talks
15:30 - 16:30
Room: Lecture Hall
Contributions
15:30
Primordial black holes from inflation and their observational imprints (online)
-
Rajeev Kumar Jain
15:50
The trichotomy of PBH initial conditions
-
Laia Montellà
16:10
Primordial black hole formation from the merger of oscillons
-
Naoya Kitajima
Friday, 5 December 2025
09:30
Coffee break / Discussion
Coffee break / Discussion
09:30 - 10:00
Room: Lecture Hall
10:00
Plenaries 12-13: Masahiro Takada and Sunao Sugiyama
10:00 - 11:00
Room: Lecture Hall
Contributions
10:00
Observational search of PBH
-
Masahiro Takada
Sunao Sugiyama
11:00
Coffee break
Coffee break
11:00 - 11:20
Room: Lecture Hall
11:20
Contributed talks
11:20 - 12:20
Room: Lecture Hall
Contributions
11:20
Discovery of a Little Red Dot candidate at z ~ 10
-
Takumi Tanaka
11:40
Neutrino signals from Dark Stars seeding SMBHs
-
Thomas Schwemberger
12:00
Revisiting the merger rate of primordial black holes
-
Shunsuke Neda
12:20
Lunch
Lunch
12:20 - 14:00
14:00
Plenary 14-15: Shigeki Matsumoto and Shunsaku Horigome
14:00 - 15:00
Room: Lecture Hall
Contributions
14:00
Sub-GeV dark matter detection around SMBH.
-
Shigeki Matsumoto
14:30
Dark matter around black holes: tracing spikes
-
Shunsaku Horiuchi
15:00
Closing remarks
15:00 - 15:05
Room: Lecture Hall
15:05
IPMU tea time
IPMU tea time
15:05 - 16:05
Room: 3rd floor