36 citations
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math.RA2019
Noncommutative cyclic isolated singularities
Kenneth Chan, Alexander Young, James Zhang
The question of whether a noncommutative graded quotient singularity is isolated depends on a subtle invariant of the -action on , called the pertinency. We prove a par…
math.RA2015★ 36 cited
Discriminant Formulas and Applications
Kenneth Chan, Alexander Young, James Zhang
We solve two conjectures of Ceken-Palmieri-Wang-Zhang concerning discriminants and give some applications.