Weite Pi

activity

20222026

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math.AG2022

Perverse filtrations, Chern filtrations, and refined BPS invariants for local $P^{2}$

Yakov Kononov, Weite Pi, Junliang Shen

We explore connections between three structures associated with the cohomology of the moduli of 1-dimensional stable sheaves on $P^{2}$ : perverse filtrations, tautological c…

math.AG2022

Generators for the cohomology ring of the moduli of one-dimensional sheaves on $P^{2}$

Weite Pi, Junliang Shen

We explore the structure of the cohomology ring of the moduli space of stable 1-dimensional sheaves on $P^{2}$ of any degree. We obtain a minimal set of tautological generat…

Perverse filtrations, Chern filtrations, and refined BPS invariants for local P2

Generators for the cohomology ring of the moduli of one-dimensional sheaves on P2

Perverse filtrations, Chern filtrations, and refined BPS invariants for local $P^{2}$

Generators for the cohomology ring of the moduli of one-dimensional sheaves on $P^{2}$