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Vestnik Moskovskogo Universiteta. Seriya 1. Matematika. Mekhanika, 2012, Number 4, Pages 61–63
(Mi vmumm517)
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Short notes
Normal functors on the category of paracompact $p$-spaces and their perfect mappings
M. A. Dobrinina Lomonosov Moscow State University, Faculty of Mechanics and Mathematics
Abstract:
It is proved that for any paracompact $p$-space $X$ and any normal functor ${\mathscr F}$ of degree $\geq3$ in the category
$\mathscr{P}$ the hereditary normality of the space $\mathscr{F}(X) \setminus X$ implies the metrizability of $X$.
Key words:
paracompact $p$-space, normal functor, hereditary normality, metrizability.
Received: 16.12.2011
Citation:
M. A. Dobrinina, “Normal functors on the category of paracompact $p$-spaces and their perfect mappings”, Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 2012, no. 4, 61–63; Moscow University Mathematics Bulletin, 67:4 (2012), 185–187
Linking options:
https://www.mathnet.ru/eng/vmumm517 https://www.mathnet.ru/eng/vmumm/y2012/i4/p61
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