Geodesic
A homotopy $2$-groupoid from a fibration
Homology, homotopy, and applications, Tome 1 (1999) no. 1, pp. 79-93.

Voir la notice de l'article provenant de la source International Press of Boston

In this paper we give an elementary derivation of a $2$-groupoid from a fibration. This extends a previous result for pointed fibrations due to Loday. Discussion is included as to the translation between $2$-groupoids and cat$^1$-groupoids.
DOI : 10.4310/HHA.1999.v1.n1.a2
Classification : 18D05, 20Lxx, 55Q05, 55R05
Keywords: $2$-groupoid, cat$1$-groupoid, crossed module, fibration 
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K. H. Kamps; T. Porter. A homotopy $2$-groupoid from a fibration. Homology, homotopy, and applications, Tome 1 (1999) no. 1, pp. 79-93. doi : 10.4310/HHA.1999.v1.n1.a2. http://geodesic.mathdoc.fr/articles/10.4310/HHA.1999.v1.n1.a2/

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