EMIS ELibM Electronic Journals PUBLICATIONS DE L'INSTITUT MATHÉMATIQUE (BEOGRAD) (N.S.)
Vol. 45(59), pp. 33--40 (1989)

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ON CATEGORIES OF RELATIONS

Mara Alagi\'c

Prirodno-matematicki fakultet, Sarajevo, Yugoslavia

Abstract: This paper is concerned with relations in categories with pullbacks, studied by Kawahara in [3], and with a kind of congruences that may be considered in the corresponding category of spans. Also, having mind G. Conte's results about symmetrizations of categories [2], some categories of relations are compared.

Keywords: category with pullbacks, functor-category, natural transformation, symmetrizations of categories, involution.

Classification (MSC2000): 18B99; 08A08, 18D99

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Electronic fulltext finalized on: 2 Nov 2001. This page was last modified: 16 Nov 2001.

© 2001 Mathematical Institute of the Serbian Academy of Science and Arts
© 2001 ELibM for the EMIS Electronic Edition