From: Philippe Gaucher <gaucher@irmast2.u-strasbg.fr>
To: categories@mta.ca
Subject: preprint : The branching nerve of HDA and the Kan condition
Date: Thu, 1 Mar 2001 15:00:57 +0100 (MET) [thread overview]
Message-ID: <200103011400.PAA29145@irmast2.u-strasbg.fr> (raw)
Title : The branching nerve of HDA and the Kan condition
Abstract : We have already seen that in reasonable situations,
i.e. when the path $\omega$-category associated to a higher
dimensional automata (HDA) is an $\omega$-groupoid, only the globular
nerve satisfies the Kan condition. Indeed for the branching and
merging nerves, this condition generally does not hold. This drawback
is overcome here by introducing two new nerves (the left and right
globular nerves) satisfying the Kan condition in any reasonable
situation and having conjecturally the same simplicial homology as the
branching and merging nerves respectively for any $\omega$-category
freely generated by a cubical set.
Type : preprint
Comment : 22 pages ; any comments are welcome.
URLs :
http://www-irma.u-strasbg.fr/~gaucher/fibrantcoin.ps.gz
http://www-irma.u-strasbg.fr/~gaucher/fibrantcoin.pdf
reply other threads:[~2001-03-01 14:00 UTC|newest]
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