This workshop will bring together leading mathematicians and physicists interested in the Cohomological Hall algebra as it appears in the study of moduli spaces and in gauge and string theory.
Format results

An introduction to Cohomological Hall algebras and their representations
Yan Soibelman Kansas State University

Gauge theory, vertex algebras and COHA
Davide Gaiotto Perimeter Institute for Theoretical Physics

Networks of intertwiners, 3d theories and superalgebras
Yegor Zenkevich Institute for Theoretical and Experimental Physics

COHA of surfaces and factorization algebras
Mikhail Kapranov Kavli Institute for Theoretical Physics (KITP)

Yangians from cohomological Hall algebras
Ben Davison University of Edinburgh

Algebraic structures of T[M3] and T[M4]
Sergei Gukov California Institute of Technology (Caltech)  Division of Physics Mathematics & Astronomy

Categorification of 2d cohomological Hall algebras
Francesco Sala University of Tokyo

Short starproducts for filtered quantizations
Pavel Etingof Massachusetts Institute of Technology (MIT)

Cohomological hall algebras from string and M theory
Kevin Costello Perimeter Institute for Theoretical Physics

Comultiplications on cohomological Hall algebras and vertex algebras
Gufang Zhao University of Melbourne

Perverse sheaves, perverse schobers and physical "theories"
Mikhail Kapranov Kavli Institute for Theoretical Physics (KITP)

An oldfashioned view of BPSalgebras
Natalie Paquette California Institute of Technology (Caltech)