نتایج جستجو برای: semi open set
تعداد نتایج: 1142388 فیلتر نتایج به سال:
The aim of this paper is to introduce and study the notions of fuzzy upper $e$-limit set, fuzzy lower $e$-limit set and fuzzy $e$-continuously convergent functions. Properties and basic relationships among fuzzy upper $e$-limit set, fuzzy lower $e$- limit set and fuzzy $e$-continuity are investigated via fuzzy $e$-open sets.
This paper is devoted to introduce and investigate some weak forms of fuzzy open mappings, namely fuzzy faintly semi open (fuzzy faintly semi closed), fuzzy faintly preopen (fuzzy faintly preclosed), fuzzy faintly α-open (fuzzy faintly α-closed), fuzzy faintly semi preopen (fuzzy faintly semi preclosed) and fuzzy faintly spopen (fuzzy faintly spclosed) mappings and their fundamental properties ...
Let H be an infinite-dimensional separable complex Hilbert space and B(H) the algebra of all bounded linear operators on H. In this paper, we characterized maps ϕ:B(H)→B(H), which are surjective up to compact preserving set left semi-Weyl in both directions. As application, proved that ϕ preserves essential approximate point spectrum if only ideal is invariant under induced map φ Calkin automor...
A δ-uniform BSS machine is a standard BSS machine which does not rely on exact equality tests. We prove that, for any real closed archimedean field R, a set is δ-uniformly semi-decidable iff it is open and semi-decidable by a BSS machine which is locally time bounded; we also prove that the local time bound condition is nontrivial. This entails a number of results about BSS machines, in particu...
Soft topological spaces (STSs) have received a lot of attention recently, and numerous soft ideas been created from differing viewpoints. Herein, we put forth new class generalizations open sets called “weakly semi-open subsets” following an approach inspired by the components set. This opens door to reformulating existing concepts examining their behaviors. First, deliberate main structural pr...
As mobile learning simultaneously employs both handheld computers and mobile telephones and other devices that draw on the same set of functionalities, it throws open the door for swift connection between learners and teachers. This study examined and articulated the impact of the application of mobile devices for teaching English vocabulary items to 123 Iranian semi-illitera...
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