C^\infty L-fuzzy manifolds with L-gradation of openness and C^\infty LG-fuzzy mappings of them
Publish place: Iranian Journal of Fuzzy Systems، Vol: 17، Issue: 6
Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJFS-17-6_013
تاریخ نمایه سازی: 30 خرداد 1400
Abstract:
In this paper, we generalize all of the fuzzy structures which we have discussed in \cite{MM} to L-fuzzy set theory, where L= denotes a complete distributive lattice with at least two elements. We define the concept of an LG-fuzzy topological space (X, \mathfrak{T} ) which X is itself an L-fuzzy subset of a crisp set M and \mathfrak{T} is an L-gradation of openness of L-fuzzy subsets of M which are less than or equal to X . Then we define C^\infty L-fuzzy manifolds with L-gradation of openness and C^\infty LG-fuzzy mappings of them such as LG-fuzzy immersions and LG-fuzzy imbeddings. We fuzzify the concept of the product manifolds with L-gradation of openness and define LG-fuzzy quotient manifolds when we have an equivalence relation on M and investigate the conditions of the existence of the quotient manifolds. We also introduce LG-fuzzy immersed, imbedded and regular submanifolds.
Keywords:
C^infty LG-fuzzy n-manifolds , C^infty LG -fuzzy mappings , LG-fuzzy quotient manifolds , LG-fuzzy immersion , regular LG-fuzzy submanifolds
Authors
M. Mostafavi
Department of Mathematics, University of Qom, Qom, Iran