Displaying similar documents to “Invariance of fuzzy properties.”

Finite-to-one fuzzy maps and fuzzy perfect maps

Francisco Gallego Lupiañez (1998)

Kybernetika

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In this paper we define, for fuzzy topology, notions corresponding to finite-to-one and k -to-one maps. We study the relationship between these new fuzzy maps and various kinds of fuzzy perfect maps. Also, we show the invariance and the inverse inveriance under the various kinds of fuzzy perfect maps (and the finite-to-one fuzzy maps), of different properties of fuzzy topological spaces.

α -compact fuzzy topological spaces

Samajh, Singh Thakur, Ratnesh Kumar Saraf (1995)

Mathematica Bohemica

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The purpose of this paper is to introduce and discuss the concept of α -compactness for fuzzy topological spaces.

On somewhat fuzzy semicontinuous functions

G. Thangaraj, Ganesan Balasubramanian (2001)

Kybernetika

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In this paper the concept of somewhat fuzzy semicontinuous functions, somewhat fuzzy semiopen functions are introduced and studied. Besides giving characterizations of these functions, several interesting properties of these functions are also given. More examples are given to illustrate the concepts introduced in this paper.