Vertex Operator Extension of Casimir W A(N) Algebras

Abstract

We give an extension of Casimir of Casimir $\mathcal{W}{\mathcal{A}}_{\mathcal{N}}$ algebras including a vertex operator which depends on non-simple roots of $A_{N-1}$.

7 pages,no figures,TeX file,(to appear in Mod.Phys.Lett.A)

References in corpus (2)

• Introduction to vertex operator algebras I
• On The Construction of W(N)-Algebras In The Form Of A(N-1)-Casimir Algebras