bitopological spaces
closed bitopological space
filter base
Fibrewise
IJ-Perfect Bitopological Spaces
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The main purpose of this paper is to introduce a some concepts in fibrewise
bitopological spaces which are called fibrewise , fibrewise -closed,
fibrewise −compact, fibrewise -perfect, fibrewise weakly -closed, fibrewise almost
-perfect, fibrewise ∗-bitopological space respectively. In addition the concepts as -
contact point, ij-adherent point, filter, filter base, ij-converges to a subset, ij-directed toward
a set, -continuous, -closed functions, -rigid set, -continuous functions, weakly ijclosed, ij-H-set, almost ij-perfect, ∗-continuous, pairwise Urysohn space, locally ij-QHC
bitopological space are introduced and the main concept in this paper is fibrewise -perfect
bitopological spaces. Several theorems and characterizations c
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