Bipullbacks of fractions and the snail lemma
Autor: | Jacqmin, P. -A., Mantovani, S., Metere, G., Vitale, E. M. |
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Rok vydání: | 2017 |
Předmět: | |
Druh dokumentu: | Working Paper |
Popis: | We establish conditions giving the existence of bipullbacks in bicategories of fractions. We apply our results to construct a $\pi_0$-$\pi_1$ exact sequence associated with a fractor between groupoids internal to a pointed exact category. |
Databáze: | arXiv |
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