We establish conditions giving the existence of bipullbacks in bicategories of fractions. We apply our results to construct a - exact sequence associated with a fractor between groupoids internal to a pointed exact category.

Bipullbacks of fractions and the snail lemma / P. Jacqmin, S. Mantovani, G. Metere, E.M. Vitale. - In: JOURNAL OF PURE AND APPLIED ALGEBRA. - ISSN 0022-4049. - 223:12(2019 Dec), pp. 5147-5162. [10.1016/j.jpaa.2019.03.014]

Bipullbacks of fractions and the snail lemma

Mantovani, Sandra;
2019-12

Abstract

We establish conditions giving the existence of bipullbacks in bicategories of fractions. We apply our results to construct a - exact sequence associated with a fractor between groupoids internal to a pointed exact category.
Bicategory of fractions; Bipullback; Internal groupoid; Snail lemma
Settore MAT/02 - Algebra
Settore MAT/04 - Matematiche Complementari
JOURNAL OF PURE AND APPLIED ALGEBRA
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2434/653832
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