75 citations · 342 across the 34 of their papers we have counts for
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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
Gamma integral structure for an invertible polynomial of chain type
Takumi Otani, Atsushi Takahashi
The notion of the Gamma integral structure for the quantum cohomology of an algebraic variety was introduced by Iritani, Katzarkov-Kontsevich-Pantev. In this paper, we define the G…
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…