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Why Markman saves the Hodge conjecture for Weil type cycles from Kontsevich (in dimension 4) – Patrick Brosnan (University of Maryland)

Archivio 21 Giugno 2023 15:00 - 16:00 Department of Mathematics, Aula Seminari. Algebraic and Arithmetic Geometry Seminar, Seminars

I’ll explain two opposing pieces of work:  (1) Markman’s proof of theHodge conjecture for general Weil type abelian fourfolds of discriminant 1, and (2) Kontsevich’s tropical approach to finding a counterexample to the Hodgeconjecture for Weil type…

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