Welcome

Laura Donnay (TU Vienna) - BMS flux algebra in celestial holography

Stephan Stieberger (MPI Munich) - Celestial Gluon Amplitudes: Single-valued Correlators and Conformal Blocks

Lionel Mason (Oxford) - On the twistor origin of celestial W-infinity symmetry

• Lionel Mason (Oxford University)

Andrew Strominger (Harvard) - w infinty and the celestial sphere

Ana-Maria Raclariu (Perimeter Institute - Shadow momenta and new constraints on celestial amplitudes

Jelle Hartong (Edinburgh) - Carroll: to run or to stand still

• Jelle Hartong (University of Edinburgh)

Andrea Puhm (Ecole Polytechnique) - From diamonds to pyramids on the celestial sphere

Guilherme Pimentel (Leiden) - Invitation to cosmological correlators

Eduardo Casali (UC Davis) - Twistor strings and the Celestial OPE

Higgs Centre Colloquium Andrew Strominger

Atul Sharma (Oxford) - Twistors, light transforms, and the celestial Grassmannian

Glenn Barnich (ULB) - Photons & gravitons in a Casimir box Photons & gravitons in a Casimir box

Lorenzo Magnea (Torino) - Non-abelian infrared divergences on the celestial sphere

Sabrina Pasterski (Princeton) - Fun with Celestial Dressings: Harbingers of Chaos, Heralds of Symmetry

Akshay Yelleshpur Srikant (Brown) - Celestial MHV amplitudes: polytopes, singularities and differential equations