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Weakly Closed Functions and Hausdorff Spaces
Author(s) -
Rose D. A.,
Janković D. S.
Publication year - 1987
Publication title -
mathematische nachrichten
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 50
eISSN - 1522-2616
pISSN - 0025-584X
DOI - 10.1002/mana.19871300109
Subject(s) - mathematics , hausdorff space , bijection, injection and surjection , pure mathematics , urysohn and completely hausdorff spaces , range (aeronautics) , topological space , hausdorff distance , topology (electrical circuits) , discrete mathematics , mathematical analysis , hausdorff measure , combinatorics , hausdorff dimension , materials science , composite material , bijection
For weakly closed surjections between arbitrary topological spaces conditions are sought which assure a H AUSDORFF range. Some results of T. N OIRI are corrected and/or improved, and some results of J. K. K OHLI are slightly strengthened.