Algebra, Logic and Topology

 

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Title
Regular versus homological closure operators

Abstract
In this talk we will compare results obtained by the speaker on weak heredity of regular closure operators on topological and abelian categories (cf. [2]), with recent results by Bourn-Gran [1] on weak heredity of homological closure operators on protomodular categories.

[1] D. Bourn, M. Gran, Torsion theories in homological categories, J. Algebra 305 (2006) 18-47.
[2] M.M. Clementino, Weakly hereditary regular closure operators, Top. Appl. 49 (1993) 129-139.

Speaker(s)
Maria Manuel Clementino (CMUC/Mat. FCTUC)

Date
November 20, 2007

Time
14:45

Room
Sala 5.5

 
     
 

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