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ON THE FUZZY DIMENSIONS OF FUZZY VECTOR SPACES | ||
| Iranian Journal of Fuzzy Systems | ||
| مقاله 11، دوره 9، شماره 4، دی 2012، صفحه 141-150 اصل مقاله (386.76 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22111/ijfs.2012.138 | ||
| نویسندگان | ||
| Chun-E Huang* 1؛ Fu-Gui Shi2 | ||
| 1Biochemical engineering college, Beijing Union University, Beijing 100023, P. R. China | ||
| 2Department of Mathematics, School of Science, Beijing Institute of Technology, Beijing 100081, P. R. China | ||
| چکیده | ||
| In this paper, rstly, it is proved that, for a fuzzy vector space, the set of its fuzzy bases de ned by Shi and Huang, is equivalent to the family of its bases de ned by P. Lubczonok. Secondly, for two fuzzy vector spaces, it is proved that they are isomorphic if and only if they have the same fuzzy dimension, and if their fuzzy dimensions are equal, then their dimensions are the same, however, the converse is not true. Finally, fuzzy dimension of direct sum is considered, for a nite number of fuzzy vector spaces and it is proved that fuzzy dimension of their direct sum is equal to the sum of fuzzy dimensions of fuzzy vector spaces. | ||
| کلیدواژهها | ||
| Fuzzy vector space؛ Fuzzy basis؛ Fuzzy dimension؛ Direct sum | ||
| مراجع | ||
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[1] K. S. Abdulkhalikov, The dual of a fuzzy subspace, Fuzzy Sets and Systems, 82 (1996), 375-381. [2] A. K. Katsaras and D. B. Liu, Fuzzy vector spaces and fuzzy topological vector spaces, J. Math. Anal. Appl., 58 (1977), 135-146. [3] R. Kumar, On the dimension of a fuzzy subspace, Fuzzy Sets and Systems, 54 (1993), 229- 234. [4] R. Lowen, Convex fuzzy sets, Fuzzy Sets and Systems, 3 (1980), 291-310. [5] G. Lubczonok and V. Murali, On ags and fuzzy subspaces of vector spaces, Fuzzy Sets and Systems, 125 (2002), 201-207. [6] P. Lubczonok, Fuzzy vector spaces, Fuzzy Sets and Systems, 38 (1990), 329-343. [7] F. G. Shi, A new approach to the fuzzication of matroids, Fuzzy Sets and Systems, 160 (2009), 696-705. [8] F. G. Shi and C. E. Huang, Fuzzy bases and the fuzzy dimension of fuzzy vector spaces, Mathematical Communications, 15(2) (2010), 303-310. [9] L. Wang and F. G. Shi, Characterization of L-fuzzifying matroids by L-fuzzifying closure operators, Iranian Journal of Fuzzy Systems, 7(1) (2010), 47-58. [10] L. A. Zadeh, A computational approach to fuzzy quantiers in natural languages, Comput. Math. Appl., 9 (1983), 149-184. | ||
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