3 papers
math.GR2025
Group class operations and homological conditions
Ioannis Emmanouil, Wei Ren
Kropholler's operation and Talelli's operation can be often used to formally enlarge the class of available examples of groups that satisfy certain hom…
math.KT2025
On certain classes of modules over group algebras
Ioannis Emmanouil, Wei Ren
In this paper, we examine the relation between certain subclasses of the classes of Gorenstein projective, Gorenstein flat and Gorenstein injective modules over a group algebra, wh…
math.CT2025
On some triangulated categories over group algebras
Ioannis Emmanouil, Wei Ren
In this paper, we introduce the cofibrant derived category of a group algebra and study its relation to the derived category of . We also define the cofibrant singularity…