2 papers
math.AC2012
Derived categories of absolutely flat rings
Greg Stevenson
Let S be a commutative ring with topologically noetherian spectrum and let R be the absolutely flat approximation of S. We prove that subsets of the spectrum of R parametrise the l…
math.RT2012
Module categories for group algebras over commutative rings
Dave Benson, Srikanth B. Iyengar, Henning Krause +1
We develop a suitable version of the stable module category of a finite group G over an arbitrary commutative ring k. The purpose of the construction is to produce a compactly gene…