Productive Coreflective Classes in Top |
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| Authors: | Miroslav Hušek |
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| Affiliation: | (1) Charles University, Sokolovská 83, 18675 Prague, Czech Republic;(2) J.E.Purkyně University, Mládeže 8, ústí nad Labem, 400 96, Czech Republic |
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| Abstract: | If sequential cardinals do not exist then every topological space is generated from a converging sequence by using finite products, disjoint sums and quotients. The author acknowledges the support of the grants MSM 0021620839 and GAČR 201/06/0933 of Czech Republic. |
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| Keywords: | cartesian product quotient sum sequential cardinal |
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