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Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology.

7 votes
1 answer
438 views

Classes of birationally equivalent Calabi-Yau manifolds in the Grothendieck ring

Do birationally equivalent Calabi-Yau manifolds have the same classes in the Grothendieck ring of varieties? Here a Calabi-Yau manifold is a smooth complex projective variety with trivial canonical bu …