Almost coreflective and projective classes |
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Authors: | H L Bentley M Hušek |
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Institution: | (1) Department of Mathematics, University of Toledo, 2801 W. Bancroft St., 43606 Toledo, Ohio, U.S.A.;(2) Department of Mathematics, Charles University, Sokolovská 83, 14700 Prague, Czech Republic |
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Abstract: | This paper summarizes the situation around the problem of when classes of projective objects are almost coreflective, both in general categories and in Top or similar categories. In addition to known results, several new contributions and examples are added.For the sixtieth birthday of D. PumplünThe paper was written while the second author was visiting the University of Toledo, Ohio. |
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Keywords: | 54B30 54D99 18B30 |
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