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math.AG2024
Hilbert schemes on blowing ups and the free Boson
Yu Zhao
For different cohomology theories (including the Hochschild homology, Hodge cohomology, Chow groups, and Grothendieck groups of coherent sheaves), we identify the cohomology of mod…
math.AG2024
The Degeneracy Loci for Smooth Moduli of Sheaves
Yu Zhao
Let S be a smooth projective surface over the complex field. Under certain technical assumptions, we prove that the degeneracy locus of the universal sheaf over the moduli space of…