An equivalence linking CM-types $A_\infty$ and $D_\infty$
Published: Oct 28, 2025
Last Updated: Oct 28, 2025
Authors:Charley Cummings, Sira Gratz, Ellen Kirkman, Janina C. Letz, J. Daisie Rock, Špela Špenko
Abstract
We show that, for a specific grading, the stable categories of graded maximal Cohen-Macaulay modules over hypersurfaces of type $A_\infty$ and $D_\infty$ are equivalent.