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

7 votes
2 answers
2k views

trace of the atiyah class equals chern class

In several textbooks ("The Geometry of Moduli Spaces of Sheaves" by Huybrechts and Lehn, "Calcul differentiel et classes caracteristiques..." by Angeniol and Lejeune-Jalabert) it is mentioned that the …
Malte Wandel's user avatar
2 votes
1 answer
579 views

fundamental group of moduli spaces of sheaves

I am considering moduli spaces of sheaves on irreducible holomorphic symplectic manifolds. I haven't seen a general theory to describe the fundamental group of moduli spaces of sheaves yet. Is there s …
Malte Wandel's user avatar