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Spaces of upper semi-continuous multi-valued functions (Unsolved Problems and its Progress in General・Geometric Topology)

open access: yesSpaces of upper semi-continuous multi-valued functions (Unsolved Problems and its Progress in General・Geometric Topology)
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Isometries on a Banach space of analytic functions on the open unit disk (Recent Developments in General Topology and its Related Fields)

open access: yesIsometries on a Banach space of analytic functions on the open unit disk (Recent Developments in General Topology and its Related Fields)
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Completely β** generalized continuous functions in intuitionistic fuzzy topological spaces

AIP Conference Proceedings, 2020
In this paper we have introduced intuitionistic fuzzy completely β** generalized continuous functions and investigated some of their properties. Also we have provided some characterization of intuitionistic fuzzy completely β** generalized continuous functions.
S. M. Sudha, D. Jayanthi
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Invariants and dimension functions in general topological spaces

Annali di Matematica Pura ed Applicata, 1969
We give here a general method of defining invariants in topological spaces. As applications we give a new concept of dimension and a theorem on separation of spaces by sub-spaces.
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Generalized μ(m,n)b-open and closed functions in bigeneralized topological spaces

Asian-European Journal of Mathematics, 2016
The purpose of this paper is to introduce the notions of [Formula: see text]-open, [Formula: see text]-closed, quasi [Formula: see text]-open, and quasi [Formula: see text]-closed functions in bigeneralized topological spaces. Basic properties, characterizations and relationships between these functions are obtained.
Donesa, Methos Kristy Villar   +1 more
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A unified theory of contra-(μ,λ)-continuous functions in generalized topological spaces

Acta Mathematica Hungarica, 2011
This manuscript considers the new notion of contra-\((\mu,\lambda)\)-continuous functions which are defined on generalized topological spaces (in the sense of \textit{Á. Császár} [Acta Math. Hung. 96, No. 4, 351--357 (2002; Zbl 1006.54003)]). Characterizations and several properties of such functions are obtained.
Al-Omari, A., Noiri, T.
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Joint Continuity and Compactness for a Graph Topology in General Function Spaces

Mathematische Nachrichten, 1991
The author studies the joint continuity (or conjoining property) of graph topologies \(\Gamma_1\) and \(\Gamma_2\) as well as an Ascoli type result for \(\Gamma_1\) in terms of even continuity. \(\Gamma_2\) was introduced by the reviewer [Trans. Am. Math. Soc. 123, 267--272 (1966; Zbl 0151.29703)] and \(\Gamma_1\) by the author [Bull. Acad. Pol.
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Semi soft local function which generated a new topology in soft ideal spaces

Journal of Interdisciplinary Mathematics, 2019
In 1999 Molodtsov [1] reach to represent a new type of mathematical concepts be called them (Soft Set) that became later on the focus of attention to many researchers in several different fields li...
Ahmed Hadi Hussain   +3 more
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