Observers, wormholes and complex saddles in cosmology
from
Monday, 18 May 2026 (09:00)
to
Friday, 22 May 2026 (17:00)
Monday, 18 May 2026
09:00
Review: Euclidean Saddles, Calculable Models, & Bounded Topologies: A Status Report
-
Dionysios Anninos
(
Kings
)
Review: Euclidean Saddles, Calculable Models, & Bounded Topologies: A Status Report
Dionysios Anninos
(
Kings
)
09:00 - 10:15
10:15
Coffee break
Coffee break
10:15 - 10:45
10:45
dS^4 Metamorphosis
-
Beatrix Muehlmann
(
IAS
)
dS^4 Metamorphosis
Beatrix Muehlmann
(
IAS
)
10:45 - 11:30
11:30
Edge modes on stringy horizons
-
Ellie Harris
(
ICTP
)
Edge modes on stringy horizons
Ellie Harris
(
ICTP
)
11:30 - 12:15
12:15
Lunch
Lunch
12:15 - 13:15
13:15
Free discussion
Free discussion
13:15 - 16:00
16:00
Wigner negativity, random matrices and gravity
-
Onkar Parrikar
(
Tata
)
Wigner negativity, random matrices and gravity
Onkar Parrikar
(
Tata
)
16:00 - 17:00
Tuesday, 19 May 2026
09:00
Review: Progress report on large-N algebras and wormholes
-
Jonah Kudler-Flam
(
IAS
)
Review: Progress report on large-N algebras and wormholes
Jonah Kudler-Flam
(
IAS
)
09:00 - 10:15
10:15
Coffee break + poster session
Coffee break + poster session
10:15 - 10:45
10:45
The observer's no-boundary state and axion wormholes
-
Erez Urbach
(
IAS
)
The observer's no-boundary state and axion wormholes
Erez Urbach
(
IAS
)
10:45 - 11:30
11:30
Algebraic observers and nonequilibrium backgrounds
-
Antony Speranza
(
Amsterdam
)
Algebraic observers and nonequilibrium backgrounds
Antony Speranza
(
Amsterdam
)
11:30 - 12:15
12:15
Lunch
Lunch
12:15 - 13:15
13:15
Free discussion
Free discussion
13:15 - 16:00
16:00
A de Sitter Scrambling Algebra
-
David Kolchmeyer
(
IAS
)
A de Sitter Scrambling Algebra
David Kolchmeyer
(
IAS
)
16:00 - 17:00
Wednesday, 20 May 2026
09:00
Review: Quantum chaos and wormholes
-
Zhenbin Yang
(
Tsinghua
)
Review: Quantum chaos and wormholes
Zhenbin Yang
(
Tsinghua
)
09:00 - 10:15
10:15
Coffee break + poster session
Coffee break + poster session
10:15 - 10:45
10:45
Talk
-
Herman Verlinde
(
Princeton
)
Talk
Herman Verlinde
(
Princeton
)
10:45 - 11:30
11:30
Dilaton gravity in box: canonical quantization of JT, sinh and sine models
-
Jacopo Papalini
(
Ghent
)
Dilaton gravity in box: canonical quantization of JT, sinh and sine models
Jacopo Papalini
(
Ghent
)
11:30 - 12:15
12:15
Lunch
Lunch
12:15 - 13:15
13:15
Free discussion
Free discussion
13:15 - 16:30
16:30
Workshop dinner
Workshop dinner
16:30 - 22:30
Thursday, 21 May 2026
09:00
Coffee break
Coffee break
09:00 - 10:45
10:45
Closed Universes vs AdS/CFT
-
Pratik Rath
(
Tata
)
Closed Universes vs AdS/CFT
Pratik Rath
(
Tata
)
10:45 - 11:30
11:30
Talk
-
Chris Akers
(
Boulder
)
Talk
Chris Akers
(
Boulder
)
11:30 - 12:15
12:15
Lunch
Lunch
12:15 - 13:15
13:15
Free discussion
Free discussion
13:15 - 16:00
16:00
Comments on inner products in semiclassical gravity
-
Kristan Jensen
(
Victoria
)
Comments on inner products in semiclassical gravity
Kristan Jensen
(
Victoria
)
16:00 - 17:00
Friday, 22 May 2026
09:00
Review talk
-
Thomas Hertog
(
Leuven
)
Review talk
Thomas Hertog
(
Leuven
)
09:00 - 10:15
10:15
Coffee and discussion
Coffee and discussion
10:15 - 11:30
11:30
Bra-ket wormholes in two and four dimensions
-
Alessandro Fumagalli
(
Amsterdam
)
Bra-ket wormholes in two and four dimensions
Alessandro Fumagalli
(
Amsterdam
)
11:30 - 12:15
12:15
Lunch
Lunch
12:15 - 14:00
14:00
dS QFT: Some general lessons from some special models
-
Tarek Anous
(
Queen Mary
)
dS QFT: Some general lessons from some special models
Tarek Anous
(
Queen Mary
)
14:00 - 15:00