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Controlled objects in left-exact $\infty$-categories and the Novikov conjecture

Controlled objects in left-exact $\infty$-categories and the Novikov conjecture
Controlled objects in left-exact $\infty$-categories and the Novikov conjecture
We associate to every $G$-bornological coarse space $X$ and every left-exact $\infty$-category with $G$-action a left-exact infinity-category of equivariant $X$-controlled objects. Postcomposing with algebraic K-theory leads to {new} equivariant coarse homology theories. This allows us to apply the injectivity results for assembly maps by Bunke, Engel, Kasprowski and Winges to the algebraic K-theory of left-exact $\infty$-categories.
295-458
Bunke, Ulrich
b5755b35-f32f-4ec9-bb46-ded3cfd42faa
Cisinski, Denis-Charles
1d04995e-b8c5-4dde-97a0-963e341762a3
Kasprowski, Daniel
44af11b9-4d22-49f2-a6a3-04009f45b075
Winges, Christoph
347e42cd-fbb9-4dfc-80e3-84c79eb5696a
Bunke, Ulrich
b5755b35-f32f-4ec9-bb46-ded3cfd42faa
Cisinski, Denis-Charles
1d04995e-b8c5-4dde-97a0-963e341762a3
Kasprowski, Daniel
44af11b9-4d22-49f2-a6a3-04009f45b075
Winges, Christoph
347e42cd-fbb9-4dfc-80e3-84c79eb5696a

Bunke, Ulrich, Cisinski, Denis-Charles, Kasprowski, Daniel and Winges, Christoph (2025) Controlled objects in left-exact $\infty$-categories and the Novikov conjecture. Bulletin de la Societe Mathematique de France, 153 (2), 295-458. (doi:10.24033/bsmf.2902).

Record type: Article

Abstract

We associate to every $G$-bornological coarse space $X$ and every left-exact $\infty$-category with $G$-action a left-exact infinity-category of equivariant $X$-controlled objects. Postcomposing with algebraic K-theory leads to {new} equivariant coarse homology theories. This allows us to apply the injectivity results for assembly maps by Bunke, Engel, Kasprowski and Winges to the algebraic K-theory of left-exact $\infty$-categories.

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Accepted/In Press date: 20 November 2024
Published date: 2025

Identifiers

Local EPrints ID: 478541
URI: http://eprints.soton.ac.uk/id/eprint/478541
PURE UUID: d69ae9c5-6758-4627-9ca6-4029c19540e9
ORCID for Daniel Kasprowski: ORCID iD orcid.org/0000-0001-5926-2206

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Date deposited: 04 Jul 2023 17:48
Last modified: 15 Jan 2026 18:30

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Contributors

Author: Ulrich Bunke
Author: Denis-Charles Cisinski
Author: Daniel Kasprowski ORCID iD
Author: Christoph Winges

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