Abstract: In this talk, I will introduce a virtual variant of the quantized Coulomb branch constructed by Braverman-Finkelberg-Nakajima, where the convolution product is modified by a virtual intersection. The resulting virtual Coulomb branch acts on the moduli space of quasimaps into the holomorphic symplectic quotient T^*N///G. When G is abelian, over the torus fixed points, this representati...
AbstractThe course provides a basic introduction to model theory which allows to understand certain model theoretic results in algebra such as Artin’s conjecture on p-adic number fields.PrerequisiteFamiliarity with basic notions in abstract algebra and basic number theory.SyllabusThere are two parts of the course.A. Model constructions: basic introduction to models, structures, and ultraproduc...