41 citations · 155 across the 45 of their papers we have counts for
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math.AG2021
Indices of vector fields and 1-forms
Wolfgang Ebeling, Sabir M. Gusein-Zade
We discuss the notions of indices of vector fields and 1-forms and their generalizations to singular varieties and varieties with actions of finite groups, as well as indices of co…
math.AG2021
Strange duality between the quadrangle complete intersection singularities
Wolfgang Ebeling, Atsushi Takahashi
There is a strange duality between the quadrangle isolated complete intersection singularities discovered by the first author and C.T.C.Wall. We derive this duality from the mirror…
math.AG2021
Graded matrix factorizations of size two and reduction
Wolfgang Ebeling, Atsushi Takahashi
We associate a complete intersection singularity to a graded matrix factorization of size two of a polynomial in three variables. We show that we get an inverse to the reduction of…