$W$ Strings and Cohomology in Parafermionic Theories

Abstract

By enforcing locality we relate the cohomology found in parafermionic theories to that occurring in $W$ strings. This link provides a systematic method of finding states in the cohomology of $W_{2,s}$ strings.

14 pages, KCL-TH-94-4. A few sentences of clarification are added on page 11 and equation (27) is extended

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Cited by in corpus (3)

• The structure of parafermion vertex operator algebras
• Representations of the parafermion vertex operator algebras
• The structure of parafermion vertex operator algebras: general case