Celestial Sphere: holography, CFT and amplitudes (Higgs Centre Workshop)
from
Monday, 13 September 2021 (09:15)
to
Wednesday, 15 September 2021 (17:00)
Monday, 13 September 2021
09:15
Welcome
Welcome
09:15 - 09:30
09:30
Laura Donnay (TU Vienna) - BMS flux algebra in celestial holography
Laura Donnay (TU Vienna) - BMS flux algebra in celestial holography
09:30 - 10:30
10:30
Refreshment Break
Refreshment Break
10:30 - 11:00
11:00
Stephan Stieberger (MPI Munich) - Celestial Gluon Amplitudes: Single-valued Correlators and Conformal Blocks
Stephan Stieberger (MPI Munich) - Celestial Gluon Amplitudes: Single-valued Correlators and Conformal Blocks
11:00 - 12:00
12:00
Lunch Break
Lunch Break
12:00 - 13:30
13:30
Lionel Mason (Oxford) - On the twistor origin of celestial W-infinity symmetry
-
Lionel Mason
(
Oxford University
)
Lionel Mason (Oxford) - On the twistor origin of celestial W-infinity symmetry
Lionel Mason
(
Oxford University
)
13:30 - 14:30
14:30
Refreshment Break
Refreshment Break
14:30 - 15:00
15:00
Andrew Strominger (Harvard) - w infinty and the celestial sphere
Andrew Strominger (Harvard) - w infinty and the celestial sphere
15:00 - 16:00
16:00
Ana-Maria Raclariu (Perimeter Institute - Shadow momenta and new constraints on celestial amplitudes
Ana-Maria Raclariu (Perimeter Institute - Shadow momenta and new constraints on celestial amplitudes
16:00 - 17:00
Tuesday, 14 September 2021
09:30
Jelle Hartong (Edinburgh) - Carroll: to run or to stand still
-
Jelle Hartong
(
University of Edinburgh
)
Jelle Hartong (Edinburgh) - Carroll: to run or to stand still
Jelle Hartong
(
University of Edinburgh
)
09:30 - 10:30
10:30
Refreshment Break
Refreshment Break
10:30 - 11:00
11:00
Andrea Puhm (Ecole Polytechnique) - From diamonds to pyramids on the celestial sphere
Andrea Puhm (Ecole Polytechnique) - From diamonds to pyramids on the celestial sphere
11:00 - 12:00
12:00
Lunch Break
Lunch Break
12:00 - 13:30
13:30
Guilherme Pimentel (Leiden) - Invitation to cosmological correlators
Guilherme Pimentel (Leiden) - Invitation to cosmological correlators
13:30 - 14:30
14:30
Refreshment Break
Refreshment Break
14:30 - 15:00
15:00
Eduardo Casali (UC Davis) - Twistor strings and the Celestial OPE
Eduardo Casali (UC Davis) - Twistor strings and the Celestial OPE
15:00 - 16:00
16:30
Higgs Centre Colloquium
Higgs Centre Colloquium
16:30 - 17:30
Andrew Strominger
19:00
Conference Dinner
Conference Dinner
19:00 - 21:00
Wednesday, 15 September 2021
09:30
Atul Sharma (Oxford) - Twistors, light transforms, and the celestial Grassmannian
Atul Sharma (Oxford) - Twistors, light transforms, and the celestial Grassmannian
09:30 - 10:30
10:30
Refreshment Break
Refreshment Break
10:30 - 11:00
11:00
Glenn Barnich (ULB) - Photons & gravitons in a Casimir box
Glenn Barnich (ULB) - Photons & gravitons in a Casimir box
11:00 - 12:00
Photons & gravitons in a Casimir box
12:00
Lunch Break
Lunch Break
12:00 - 13:30
13:30
Lorenzo Magnea (Torino) - Non-abelian infrared divergences on the celestial sphere
Lorenzo Magnea (Torino) - Non-abelian infrared divergences on the celestial sphere
13:30 - 14:30
14:30
Refreshment Break
Refreshment Break
14:30 - 15:00
15:00
Sabrina Pasterski (Princeton) - Fun with Celestial Dressings: Harbingers of Chaos, Heralds of Symmetry
Sabrina Pasterski (Princeton) - Fun with Celestial Dressings: Harbingers of Chaos, Heralds of Symmetry
15:00 - 16:00
16:00
Akshay Yelleshpur Srikant (Brown) - Celestial MHV amplitudes: polytopes, singularities and differential equations
Akshay Yelleshpur Srikant (Brown) - Celestial MHV amplitudes: polytopes, singularities and differential equations
16:00 - 17:00