IDEMPOTENT COMPLETIONS OF EQUIVARIANT MATRIX FACTORIZATION CATEGORIES

Authors

MICHAEL K. BROWN, Auburn University
Mark E. Walker, University of Nebraska - LincolnFollow

Date of this Version

7-30-2023

Citation

Published (2023) Journal of Algebra, 634, pp. 554-562. DOI: 10.1016/j.jalgebra.2023.07.023

Comments

Used by permission.

Abstract

We prove that equivariant matrix factorization categories associated to henselian local hypersurface rings are idempotent complete, generalizing a result of Dyckerhoff in the non- equivariant case.