Positive Geometries in Scattering Amplitudes and Beyond
from
Monday, June 7, 2021 (2:00 PM)
to
Friday, June 18, 2021 (8:00 PM)
Monday, June 7, 2021
2:00 PM
2:00 PM - 2:10 PM
2:10 PM
Welcome Greeting by organisers
Welcome Greeting by organisers
2:10 PM - 2:15 PM
2:15 PM
Ising model, total positivity, and criticality
-
Pavel Galashin (UCLA)
Ising model, total positivity, and criticality
Pavel Galashin (UCLA)
2:15 PM - 3:15 PM
3:15 PM
Break
Break
3:15 PM - 3:30 PM
3:30 PM
Planar Kinematics: From Generalized Biadjoint Amplitudes to Generalized Worldsheet and Beyond
-
Nick Early (IAS)
Planar Kinematics: From Generalized Biadjoint Amplitudes to Generalized Worldsheet and Beyond
Nick Early (IAS)
3:30 PM - 4:30 PM
4:30 PM
Break
Break
4:30 PM - 5:00 PM
5:00 PM
Social event
-
gather.town
Social event
gather.town
5:00 PM - 6:00 PM
6:00 PM
Informal discussion
Informal discussion
6:00 PM - 8:00 PM
Tuesday, June 8, 2021
2:00 PM
Algebraic statistics with a view towards physics
-
Bernd Sturmfels (MPI Leipzig and UC Berkeley)
Algebraic statistics with a view towards physics
Bernd Sturmfels (MPI Leipzig and UC Berkeley)
2:00 PM - 3:00 PM
3:00 PM
Break
Break
3:00 PM - 3:15 PM
3:15 PM
A fiber-based approach to triangulations of Amplituhedron
-
Fatemeh Mohammadi (Ghent)
A fiber-based approach to triangulations of Amplituhedron
Fatemeh Mohammadi (Ghent)
3:15 PM - 4:15 PM
4:15 PM
Break
Break
4:15 PM - 4:45 PM
4:45 PM
Discussion
-
Lauren Williams (Harvard)
Discussion
Lauren Williams (Harvard)
4:45 PM - 6:00 PM
6:00 PM
Informal discussion
Informal discussion
6:00 PM - 8:00 PM
Wednesday, June 9, 2021
2:00 PM
The positive geometry of Riemann surfaces
-
Giulio Salvatori (Perimeter Institute)
The positive geometry of Riemann surfaces
Giulio Salvatori (Perimeter Institute)
2:00 PM - 3:00 PM
3:00 PM
Break
Break
3:00 PM - 3:15 PM
3:15 PM
Non-planar positive geometry and BCFW recursion relations
-
Jaroslav Trnka (UC Davis)
Non-planar positive geometry and BCFW recursion relations
Jaroslav Trnka (UC Davis)
3:15 PM - 4:15 PM
4:15 PM
Break
Break
4:15 PM - 4:45 PM
4:45 PM
Discussion
-
Hugh Thomas (Quebec)
Discussion
Hugh Thomas (Quebec)
4:45 PM - 6:00 PM
6:00 PM
Informal discussion
Informal discussion
6:00 PM - 8:00 PM
Thursday, June 10, 2021
2:00 PM
Kleiss-Kuijf Relations from Momentum Amplituhedron Geometry
-
Robert Moerman (Hertfordshire)
Kleiss-Kuijf Relations from Momentum Amplituhedron Geometry
Robert Moerman (Hertfordshire)
2:00 PM - 3:00 PM
3:00 PM
Break
Break
3:00 PM - 3:15 PM
3:15 PM
Symbol Alphabets from Positive Geometries
-
Marcus Spradlin (Brown)
Symbol Alphabets from Positive Geometries
Marcus Spradlin (Brown)
3:15 PM - 4:15 PM
4:15 PM
Break
Break
4:15 PM - 4:40 PM
4:45 PM
Discussion (with contributions from A. Schreiber, A. Yelleshpur and L. Ren)
-
Anastasia Volovich (Brown)
Discussion (with contributions from A. Schreiber, A. Yelleshpur and L. Ren)
Anastasia Volovich (Brown)
4:45 PM - 6:00 PM
6:00 PM
Informal discussion
Informal discussion
6:00 PM - 8:00 PM
Friday, June 11, 2021
2:00 PM
Beyond Integrands: Positive Geometry of Scattering Amplitudes (1): Dual Surfacehedra and Particle Amplitudes, Binary Surfacehdra and Stringy Amplitudes
-
Nima Arkani-Hamed (IAS)
Beyond Integrands: Positive Geometry of Scattering Amplitudes (1): Dual Surfacehedra and Particle Amplitudes, Binary Surfacehdra and Stringy Amplitudes
Nima Arkani-Hamed (IAS)
2:00 PM - 3:00 PM
3:00 PM
Break
Break
3:00 PM - 3:15 PM
3:15 PM
Beyond Integrands: Positive Geometry of Scattering Amplitudes (2): From the Amplituhedron to AdS
-
Nima Arkani-Hamed (IAS)
Beyond Integrands: Positive Geometry of Scattering Amplitudes (2): From the Amplituhedron to AdS
Nima Arkani-Hamed (IAS)
3:15 PM - 4:15 PM
4:15 PM
Break
Break
4:15 PM - 4:45 PM
4:45 PM
Discussion
-
Nima Arkani-Hamed (IAS)
Discussion
Nima Arkani-Hamed (IAS)
4:45 PM - 6:00 PM
6:00 PM
Informal discussion
Informal discussion
6:00 PM - 8:00 PM
Saturday, June 12, 2021
Sunday, June 13, 2021
Monday, June 14, 2021
2:00 PM
The boundaries of bi-variate moments: carving out the space of EFThedron and modularhedron
-
Yu-tin Huang (Natl. Taiwan U. and NCTS)
The boundaries of bi-variate moments: carving out the space of EFThedron and modularhedron
Yu-tin Huang (Natl. Taiwan U. and NCTS)
2:00 PM - 3:00 PM
3:00 PM
Break
Break
3:00 PM - 3:15 PM
3:15 PM
Positive Structures in Celestial Amplitudes
-
Monica Pate (Harvard)
Positive Structures in Celestial Amplitudes
Monica Pate (Harvard)
3:15 PM - 4:15 PM
4:15 PM
Break
Break
4:15 PM - 4:30 PM
4:30 PM
Social event
-
gather.town
Social event
gather.town
4:30 PM - 6:00 PM
6:00 PM
Informal discussion
Informal discussion
6:00 PM - 8:00 PM
Tuesday, June 15, 2021
2:00 PM
Cycles vs. forms at genus one: elliptic analogues of Parke-Taylor factors
-
Oliver Schlotterer (Uppsala)
Cycles vs. forms at genus one: elliptic analogues of Parke-Taylor factors
Oliver Schlotterer (Uppsala)
2:00 PM - 3:00 PM
3:00 PM
Break
Break
3:00 PM - 3:15 PM
3:15 PM
Tropical Realizations of the Wilsonian Paradigm
-
Sebastian Mizera (IAS)
Tropical Realizations of the Wilsonian Paradigm
Sebastian Mizera (IAS)
3:15 PM - 4:15 PM
4:15 PM
Break
Break
4:15 PM - 4:45 PM
4:45 PM
Discussion
-
Chi Zhang (NBI)
Discussion
Chi Zhang (NBI)
4:45 PM - 6:00 PM
6:00 PM
Informal discussion
Informal discussion
6:00 PM - 8:00 PM
Wednesday, June 16, 2021
2:00 PM
Bootstrapping cosmological correlators from singularities
-
Austin Joyce (Amsterdam)
Bootstrapping cosmological correlators from singularities
Austin Joyce (Amsterdam)
2:00 PM - 3:00 PM
3:00 PM
Break
Break
3:00 PM - 3:15 PM
3:15 PM
Cosmological Polytopes and Non-dlog Forms
-
Paolo Benincasa (MPI Munich)
Cosmological Polytopes and Non-dlog Forms
Paolo Benincasa (MPI Munich)
3:15 PM - 4:15 PM
4:15 PM
Break
Break
4:15 PM - 4:30 PM
4:30 PM
Informal discussion
Informal discussion
4:30 PM - 6:30 PM
Thursday, June 17, 2021
2:00 PM
Cluster algebras for Feynman integrals
-
Georgios Papathanasiou (DESY)
Cluster algebras for Feynman integrals
Georgios Papathanasiou (DESY)
2:00 PM - 3:00 PM
3:00 PM
Break
Break
3:00 PM - 3:15 PM
3:15 PM
From positive geometries to a coaction on hypergeometric functions.
-
Ruth Britto (Trinity College and IPhT)
From positive geometries to a coaction on hypergeometric functions.
Ruth Britto (Trinity College and IPhT)
3:15 PM - 4:15 PM
4:15 PM
Break
Break
4:15 PM - 4:45 PM
4:45 PM
Discussion
-
Jacob Bourjaily (NBI and Penn State)
Discussion
Jacob Bourjaily (NBI and Penn State)
4:45 PM - 6:00 PM
6:00 PM
Informal discussion
Informal discussion
6:00 PM - 8:00 PM
Friday, June 18, 2021
2:00 PM
Positive geometries and cluster bootstrap
-
Omer Gurdogan (Southampton)
Positive geometries and cluster bootstrap
Omer Gurdogan (Southampton)
2:00 PM - 3:00 PM
3:00 PM
Break
Break
3:00 PM - 3:15 PM
3:15 PM
Beyond Steinmann, for Massive Integrals
-
Andrew McLeod (NBI)
Beyond Steinmann, for Massive Integrals
Andrew McLeod (NBI)
3:15 PM - 4:15 PM
4:15 PM
Break
Break
4:15 PM - 4:45 PM
4:45 PM
Discussion
-
James Drummond (Southampton)
Discussion
James Drummond (Southampton)
4:45 PM - 6:00 PM
6:00 PM
Informal discussion
Informal discussion
6:00 PM - 8:00 PM