On flat covers in varieties

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Authors

KRUML David

Year of publication 2008
Type Article in Periodical
Magazine / Source Commentationes Mathematicae Universitatis Carolinae
MU Faculty or unit

Faculty of Science

Citation
Field General mathematics
Keywords flat object; flat cover; variety; cosimplicial object
Description Flat covers do not exist in all varieties. We give a necessary condition for the existence of flat covers and some examples of varieties where not all algebras have flat covers.
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