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Cohomologies and deformations of grading-restricted vertex algebras

Topic: Cohomologies and deformations of grading-restricted vertex algebras
Talker: Prof.Yizhi Huang, Rutgers University
Time: 2011-07-06 14:30--16:10
Address: 1318, School of Mathetics
Abstract: I will present the cohomology theory and deformation theory of grading-restricted vertex algebras developed by myself from 2010 to now. I will start with basic definitions of vertex (operator) algebras and their modules and will give the motivations for the developments of these theories.
Plan: First and second cohomologies of grading-restricted vertex algebras. Extensions and first order deformations of grading-restricted vertex algebras.