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The free exact category on a left exact one

Published online by Cambridge University Press:  09 April 2009

A. Carboni
Affiliation:
Istituto Matematicovia C. Saldini 5020133 Milano, Italia
R. Celia Magno
Affiliation:
Istituto Matematicovia C. Saldini 5020133 Milano, Italia
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Abstract

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We give an explicit one step description of the free (Barr) exact category on a left exact one. As an application we give a new two step construction of the free abelian category on an additive one.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 1982

References

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[3]Magno, R. Celia (Thesis, University of Calabria, Cosenza, Italy (1981)).Google Scholar
[4]Street, R. H., ‘Fibrations in bicategories,’ Cahiers Topologie Géom. Différentielle 21 (1980), 111160.Google Scholar