External derivations of internal groupoids

Giuseppe Metere, Stefano Kasangian, Giuseppe Metere, Enrico M. Vitale, Sandra Mantovani

Risultato della ricerca: Articlepeer review

1 Citazioni (Scopus)


If His a G-crossed module, the set of derivations of Gin H is a monoid under the Whitehead product of derivations. We interpret the Whitehead product using the correspondence between crossed modules and internal groupoids in the category of groups. Working in the general context of internal groupoids in a finitely complete category, we relate derivations to holomorphisms, translations, affine transformations, and to the embedding category of a groupoid. (C) 2007 Elsevier B.V. All rights reserved.
Lingua originaleEnglish
pagine (da-a)175-192
Numero di pagine18
RivistaJournal of Pure and Applied Algebra
Stato di pubblicazionePublished - 2008

All Science Journal Classification (ASJC) codes

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