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- YI-ZHI HUANG
- Department of Mathematics, Rutgers University, 110 Frelinghuysen Road, Piscataway, NJ 08854-8019, USA
書誌事項
- 公開日
- 2008-11
- DOI
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- 10.1142/s0219199708003083
- 公開者
- World Scientific Pub Co Pte Lt
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説明
<jats:p>Let V be a simple vertex operator algebra satisfying the following conditions: (i) V<jats:sub>(n)</jats:sub>= 0 for n < 0, V<jats:sub>(0)</jats:sub>= ℂ1 and V′ is isomorphic to V as a V-module. (ii) Every ℕ-gradable weak V-module is completely reducible. (iii) V is C<jats:sub>2</jats:sub>-cofinite. (In the presence of Condition (i), Conditions (ii) and (iii) are equivalent to a single condition, namely, that every weak V-module is completely reducible.) Using the results obtained by the author in the formulation and proof of the general version of the Verlinde conjecture and in the proof of the Verlinde formula, we prove that the braided tensor category structure on the category of V-modules is rigid, balanced and nondegenerate. In particular, the category of V-modules has a natural structure of modular tensor category. We also prove that the tensor-categorical dimension of an irreducible V-module is the reciprocal of a suitable matrix element of the fusing isomorphism under a suitable basis.</jats:p>
収録刊行物
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- Communications in Contemporary Mathematics
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Communications in Contemporary Mathematics 10 (supp01), 871-911, 2008-11
World Scientific Pub Co Pte Lt
