Abstract
We define and calculate the fusion algebra of a WZW model at a rational level using cohomological methods. As a byproduct, we obtain a cohomological characterization of admissible representations of {Mathematical expression}2.
Original language | English |
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Pages (from-to) | 315-325 |
Number of pages | 11 |
Journal | Letters in Mathematical Physics |
Volume | 31 |
Issue number | 4 |
DOIs | |
State | Published - Aug 1994 |
Externally published | Yes |
Keywords
- Mathematics Subject Classifications (1991): 17B56, 17B67, 17B81, 81T40