The paper is devoted to the introduction and study of the concepts of certain classes of functions between fuzzy topological spaces. Each of these functions presents a stronger form of the fuzzy continuous functions. These maps have been characterized and investigated mainly in the light of the notions of q-neighbourhoods, quasi-coincidence, fuzzy δ-closure and ds-neighbourhoods. They have also been compared as to their mutual dependence as also with regard to their interactions with certain other fuzzy non-continuous functions. © 1990.

M N MUKHERJEE

B GHOSH

University of Calcutta (informally known as Calcutta University or CU) is a collegiate public state university located in Kolkata, West Bengal, India.&nbsp;Within India it is recognized as a &quot;Five-Star University&quot; and accredited &quot;A&quot; Grade by National Assessment and Accreditation Council.

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The University of Calcutta has secured the Fifth position among the Universities of India in the prestigious &quot;Indian University Ranking 2019&quot; list, released by the NIRF of the Ministry of Human Resource Development, Government of India.

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It was established on 24 January 1857, and was one of the first institutions in Asia to be established as a multidisciplinary and Western-style university. Its alumni and faculty include several heads of state, heads of government, social reformers, prominent artists, only academy award winner and Dirac medal winner in India, many Fellows of the Royal Society and five Nobel laureates as of 2019 which is highest in South Asia.

University Of Calcutta

Some stronger forms of fuzzy continuous mapping on fuzzy topological spaces

Fuzzy Sets and Systems

In this article, an investigation of almost compactness for fuzzy topological spaces including certain new characterizations is attempted in terms of fuzzy Θc-sets, α-open sets, α-closure operator, Θ-open sets and CΘ-accumulation points. © 1998 Elsevier Science B.V. All rights reserved.

On fuzzy almost compact spaces

This paper intends to initiate the study of nearly compact and θ-rigid fuzzy sets in a fuzzy topological space. These two classes of fuzzy sets are seen to be properly contained in the class of fuzzy compact sets and properly contain the class of fuzzy almost compact sets. Several characterizations and certain other properties of these two types of fuzzy sets are established by using the concepts of fuzzy δ-closures and θ-closures of fuzzy sets and fuzzy filterbases. © 1991.

On nearly compact and Î¸-rigid fuzzy sets in fuzzy topological spaces

The concept of filter basis in a fuzzy setting is defined and investigated. Fuzzy filter bases are then used to introduce the notion of compactness in fuzzy setting. The expected basic properties of compactness are explored. © 1990.

Journal	Fuzzy Sets and Systems
Publisher	-
ISSN	0165-0114