Some results on inverse limit spaces
I. Lončar (1985)
Matematički Vesnik
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Displaying similar documents to “Perfect maps in compact (countably compact) spaces.”
Some results on inverse limit spaces
A Unified Theory of Perfect and Related Functions
M. N. Mukherjee, S. Raychaudhuri (1993)
Matematički Vesnik
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Concerning Splittability and Perfect Mappings
A. V. Arhangel'skii, Ljubiša Kočinac (1990)
Publications de l'Institut Mathématique
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A Property Of The Number Of Perfect Matchings Of A Graph
Ivan Gutman (1991)
Publications de l'Institut Mathématique
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Spaces for which the diagonal has a closed neighborhood base
Klaas Pieter Hart (1987)
Colloquium Mathematicae
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On maps which are perfect with respect to the Hewitt realcompact extension
A. Błaszczyk (1973)
Colloquium Mathematicae
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On ℳ-contractibility
Takemi Mizokami (1981)
Colloquium Mathematicae
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Characterizations of Some Classes of Perfect Spaces in Terms of Continuous Selections Avoiding Supporting Sets
Takamitsu Yamauchi (2008)
Bulletin of the Polish Academy of Sciences. Mathematics
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Some kinds of perfect spaces, including paracompact perfectly normal spaces and collectionwise normal perfect spaces, are characterized in terms of continuous selections avoiding supporting sets. A necessary and sufficient condition on a domain space for a selection theorem of E. Michael [Fund. Math. 47 (1959), 173-178] to hold is also obtained.
C-closed functions
G. L. Garg, B. Kumar (1989)
Matematički Vesnik
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Counting perfect matchings in polyominoes with an application to the dimer problem
P. John, H. Sachs, H. Zernitz (1987)
Applicationes Mathematicae
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Linking the closure and orthogonality properties of perfect morphisms in a category
David Holgate (1998)
Commentationes Mathematicae Universitatis Carolinae
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We define perfect morphisms to be those which are the pullback of their image under a given endofunctor. The interplay of these morphisms with other generalisations of perfect maps is investigated. In particular, closure operator theory is used to link closure and orthogonality properties of such morphisms. A number of detailed examples are given.