Geodesic
Regular and Strongly Finitary Structures Over Strongly Algebroidal Categories
Canadian journal of mathematics, Tome 30 (1978) no. 2, pp. 250-261

Voir la notice de l'article provenant de la source Cambridge University Press

Most properties an algebraist needs in categories are reflected by regular functors, introduced in [6]. If is a regular and strongly finitary functor and has some nice properties, it can be shown that the left adjoint functor of G helps to characterize finitary and strongly finitary objects of . The property of being algebroidal can be lifted from to if a certain condition holds in . As an application, the implicational hull of subcategories can be constructed with the help of reduced products. 
Matthiessen, Günter. Regular and Strongly Finitary Structures Over Strongly Algebroidal Categories. Canadian journal of mathematics, Tome 30 (1978) no. 2, pp. 250-261. doi: 10.4153/CJM-1978-024-5
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