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math.AG2008
Mirror fibrations and root stacks of weighted projective spaces
Ignacio de Gregorio, Etienne Mann
We show that the orbifold Chow ring of a root stack over a well-formed weighted projective space can be naturally seen as the Jacobian algebra of a function on a singular variety g…
math.AG2005
Deformations of functions and F-manifolds
Ignacio de Gregorio
We study functions on isolated singularities and prove some results of type Milnor number = Tjurina number. We use them to endow the base space of their miniversal deformation with…