Monoidal model structures over infinite groups

The stable category of modules over the algebra of a finite group with coefficients in a field is a compactly generated tensor triangulated category, that has been studied extensively in representation theory. In this paper, we provide a plethora of infinite groups G, for which the category of kG-modules (where k is a commutative coherent ring of finite global dimension) admits a monoidal model structure, in the sense of Hovey, whose associated homotopy category is a compactly generated tensor triangulated category. To that end, we use a technique recently introduced by the authors, which is based on Kropholler's operation LH and the second author's operation Φ.

Publication Details

Journal
ArXiv.org
Published
2025-10-09
Primary Topic
Experimental and Theoretical Physics Studies
Type
article
Field-Weighted Citation Impact
0.00

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article

Monoidal model structures over infinite groups

ArXiv.org
Experimental and Theoretical Physics Studies
article

Monoidal model structures over infinite groups

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Abstract

The stable category of modules over the algebra of a finite group with coefficients in a field is a compactly generated tensor triangulated category, that has been studied extensively in representation theory. In this paper, we provide a plethora of infinite groups G, for which the category of kG-modules (where k is a commutative coherent ring of finite global dimension) admits a monoidal model structure, in the sense of Hovey, whose associated homotopy category is a compactly generated tensor triangulated category. To that end, we use a technique recently introduced by the authors, which is based on Kropholler's operation LH and the second author's operation Φ.

ArXiv.org
Hellenic Foundation for Research and Innovation
Openalex Percentile: Top 49%
Experimental and Theoretical Physics Studies
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Monoidal model structures over infinite groups · ArXiv.org (2025) | TGRS Research Map | TGRS