The snail lemma for internal groupoids

We establish a generalized form both of the Gabriel-Zisman exact sequence associated with a pointed functor between pointed groupoids, and of the Brown exact sequence associated with a fibration of pointed groupoids. Our generalization consists in replacing pointed groupoids with groupoids internal...

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Hauptverfasser:	Mantovani, S, Metere, G, Vitale, E. M
Format:	Artikel
Sprache:	eng
Schlagworte:	Mathematics - Category Theory
Online-Zugang:	Volltext bestellen
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