Papers › On factorization and vector bundles of conformal blocks from vertex algebras
On factorization and vector bundles of conformal blocks from vertex algebras
Chiara Damiolini, Angela Gibney, Nicola Tarasca
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Representations of vertex operator algebras define sheaves of coinvariants and conformal blocks on moduli of stable pointed curves. Assuming certain finiteness and semisimplicity conditions, we prove that such sheaves satisfy the factorization conjecture and consequently are vector bundles. Factorization is essential to a recursive formulation of invariants, like ranks and Chern classes, and to produce new constructions of rational conformal field theories and cohomological field theories.
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