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math.AG1999
Gerbes of chiral differential operators
Vassily Gorbounov, Fyodor Malikov, Vadim Schechtman
In this note we compute the cohomological obstruction to the existence of certain sheaves of vertex algebras on smooth varieties. These sheaves have been introduced and studied in…
math.AG1999
Vertex algebras and elliptic genera
Vadim Schechtman
A report at Arbeitstagung, June 1999, Bonn, on the joint work with V.Gorbounov, F.Malikov and A.Vaintrob.
math.AG1999
Chiral de Rham complex. II
Fyodor Malikov, Vadim Schechtman
This paper is a sequel to math.AG/9803041. It consists of three parts. In the first part we give certain construction of vertex algebras which includes in particular the ones appea…