Vanishing and identities of conformal blocks divisors
classification
🧮 math.AG
math.QAmath.RT
keywords
divisorsconformalaboveblockblockscohomologyconnectioncritical
read the original abstract
Conformal block divisors in type A on $\bar{M}_{0,{n}}$ are shown to satisfy new symmetries when levels and ranks are interchanged in non-standard ways. A connection with the quantum cohomology of Grassmannians reveals that these divisors vanish above the critical level.
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