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Published in 2018 at "National Academy Science Letters"
DOI: 10.1007/s40009-017-0608-8
Abstract: The research of functions by algebraic methods shows a very significant part in modern mathematics. The characterization of topological spaces by semigroups of quasi open, continuous, open, and closed mappings was taken by many researchers…
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Keywords:
open quasi;
quasi;
quasi open;
quasi closed ... See more keywords