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Intrinsic Schreier split extensions and intrinsic Schreier special objects
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Description: |
We explore, in the context of regular unital categories with comonadic projective covers, intrinsic notions of Schreier split epimorphisms and Schreier special objects. These intrinsic notions allow, on one hand, to understand categorically the properties of Schreier split extensions of monoids and the characterization of groups as Schreier special objects inside the category of monoids, and, on the other hand, to extend these properties to a non-varietal context. Several examples will be considered. Joint work with Diana Rodelo and Tim Van der Linden.
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Date: |
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| Start Time: |
15:00 |
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Speaker: |
Andrea Montoli (Univ. degli Studi di Milano, Italy)
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Institution: |
Univ. degli Studi di Milano, Italy
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Place: |
Zoom: https://zoom.us/j/93644785434
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| Research Groups: |
-Algebra, Logic and Topology
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© 2012 Centre for Mathematics, University of Coimbra, funded by
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