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math.RT2025

An equivalence linking CM-types $A_{\infty}$ and $D_{\infty}$

Charley Cummings, Sira Gratz, Ellen Kirkman +3

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.

math.RT2025

Additive diameters of group representations

Urban Jezernik, Å pela Å penko

We explore the concept of additive diameters in the context of group representations, unifying various noncommutative Waring-type problems. Given a finite-dimensional representatio…

An equivalence linking CM-types A∞​ and D∞​

Additive diameters of group representations

An equivalence linking CM-types $A_{\infty}$ and $D_{\infty}$