Josef Bednář (2005)
Kybernetika
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In the paper, three different ways of constructing distances between vaguely described objects are shown: a generalization of the classic distance between subsets of a metric space, distance between membership functions of fuzzy sets and a fuzzy metric introduced by generalizing a metric space to fuzzy-metric one. Fuzzy metric spaces defined by Zadeh’s extension principle, particularly to are dealt with in detail.
Miheţ, Dorel (2007)
Fixed Point Theory and Applications [electronic only]
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Lee, B.S., Cho, S.J. (1994)
International Journal of Mathematics and Mathematical Sciences
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Elango Roja, Mallasamudram Kuppusamy Uma, Ganesan Balasubramanian (2008)
Mathematica Bohemica
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In this paper the concept of a fuzzy contraction mapping on a fuzzy metric space is introduced and it is proved that every fuzzy contraction mapping on a complete fuzzy metric space has a unique fixed point.
Georgiou, D.N., Kougias, I.E. (2002)
International Journal of Mathematics and Mathematical Sciences
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