3 papers
math.QA2005
A recurrence relation for characters of highest weight integrable modules for affine Lie algebras
William J. Cook, Haisheng Li, Kailash C. Misra
Using certain results for the vertex operator algebras associated with affine Lie algebras we obtain recurrence relations for the characters of integrable highest weight irreducibl…
math.QA2005
Twisted modules for vertex algebras associated with vertex algebroids
Haisheng Li, Gaywalee Yamskulna
We continue with [LY] to construct and classify graded simple twisted modules for the -graded vertex algebras constructed by Gorbounov, Malikov and Schechtman from vertex algeb…
math.QA2004
On certain vertex algebras and their modules associated with vertex algebroids
Haisheng Li, Gaywalee Yamskulna
We study the family of vertex algebras associated with vertex algebroids, constructed by Gorbounov, Malikov, and Schechtman. As the main result, we classify all the (graded) simple…