String Math Seminar: Sam DeHority (Columbia University) “VERTEX ALGEBRAS AND CURVES IN MODULI SPACES OF SHEAVES ON SURFACES”
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In a few cases, for a quasiprojective suface S it is known that there are vertex algebras which provide formulas for enumerative invariants of moduli spaces of sheaves on S. I will explain a number of examples where this is known or expected to hold and focus on extending this structure to the case of elliptic surfaces. I will describe … Read More