Discrete homotopy hypothesis for n‐types

Abstract We show that discrete and classical homotopy theories are equivalent after localizing at ‐equivalences for any non‐negative integer . By constructing an explicit homotopy inverse to the graph nerve functor associating an ‐fibrant cubical set to a graph, we are also able to give explicit computations of several previously unknown discrete homotopy groups of boundaries of cubes and suspensions of cycles.

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Publication Details

Journal
Proceedings of the London Mathematical Society
Published
2026-10-31
DOI
https://doi.org/10.1112/plms.70240
Primary Topic
Homotopy and Cohomology in Algebraic Topology
Type
article
Field-Weighted Citation Impact
0.00
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article

Discrete homotopy hypothesis for n‐types

Chris Kapulkin, Daniel Carranza
2 links
Proceedings of the London Mathematical Society
Homotopy and Cohomology in Algebraic Topology
article

Discrete homotopy hypothesis for n‐types

Chris Kapulkin, Daniel Carranza
article en

Abstract

Abstract We show that discrete and classical homotopy theories are equivalent after localizing at ‐equivalences for any non‐negative integer . By constructing an explicit homotopy inverse to the graph nerve functor associating an ‐fibrant cubical set to a graph, we are also able to give explicit computations of several previously unknown discrete homotopy groups of boundaries of cubes and suspensions of cycles.

Proceedings of the London Mathematical SocietyVol. 133(5)
Johns Hopkins University (US), Vanderbilt University (US)
Openalex Percentile: Top 70%
Homotopy and Cohomology in Algebraic Topology
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