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math.AT2024
Cohomology Rings of Toric Wonderful Model
Lorenzo Giordani, Roberto Pagaria, Viola Siconolfi
We describe the cohomology ring of toric wonderful models for arbitrary building set, including the case of non well-connected ones. Our techniques are based on blowups of posets,…
math.AT2024
An isomorphism between models of graphic arrangements
Giovanni Gaiffi, Oscar Papini, Viola Siconolfi
This paper presents a bridge between the theories of wonderful models associated with toric arrangements and wonderful models associated with hyperplane arrangements. In a previous…