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Article Dans Une Revue Fundamenta Mathematicae Année : 2023

Comparing cubical and globular directed paths

Résumé

A flow is a directed space structure on a homotopy type. It is already known that the underlying homotopy type of the realization of a precubical set as a flow is homotopy equivalent to the realization of the precubical set as a topological space. This realization depends on the non-canonical choice of a q-cofibrant replacement. We construct a new realization functor from precubical sets to flows which is homotopy equivalent to the previous one and which does not depend on the choice of any cofibrant replacement functor. The main tool is the notion of natural $d$-path introduced by Raussen. The flow we obtain for a given precubical set is not anymore q-cofibrant but is still m-cofibrant. As an application, we prove that the space of execution paths of the realization of a precubical set as a flow is homotopy equivalent to the space of nonconstant $d$-paths between vertices in the geometric realization of the precubical set.
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Dates et versions

hal-03713809 , version 1 (05-07-2022)
hal-03713809 , version 2 (02-08-2022)
hal-03713809 , version 3 (14-03-2023)
hal-03713809 , version 4 (03-05-2023)

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Philippe Gaucher. Comparing cubical and globular directed paths. Fundamenta Mathematicae, 2023, ⟨10.4064/fm219-3-2023⟩. ⟨hal-03713809v4⟩
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