Algebraic Geometry Seminar - Jingxiang Ma

Tue, November 10, 2026
10:20 am - 11:15 am
Math Tower (MW) 154

Jingxiang Ma
The Ohio State University

Title
On orbifold quantum cohomology of foldings of ADE resolutions

Abstract
Foldings of ADE resolutions are quotients of the minimal resolutions of Kleinian singularities by Dynkin diagram symmetries. In this talk, I will describe a root-theoretic formula for the untwisted part of their orbifold quantum cohomology. The idea is to adapt the work of Bryan and Gholampour on quantum multiplication for ADE resolutions to the setting of foldings. I will then discuss several further questions concerning crepant resolutions of these foldings.

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Jingxiang Ma