THE JOURNAL OF FUZZY MATHEMATICS
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The Journal of Fuzzy Mathematics

Volume 12, Number 1, March 2004

CONTENT

DETAILS

Some Difference Sequence Space of Fuzzy Numbers ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...............¡­¡­..Metin Basarir and Mursaleen 1

R-Generalized Fuzzy Closed Sets¡­¡­¡­¡­¡­.....¡­¡­¡­..Y.C. Kim and J. M. Ko 7

Fuzzy Approach for Solving Vector Optimization Problems ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..........¡­¡­¡­..Mohamed Abd El-Hady Kassem 23

Prefilters in Fuzzy Spaces

...¡­¡­¡­¡­¡­¡­¡­¡­¡­K. A. Dib, A. A. Ramadan, S. N. Deeb and G. A. Kamel 37

On -(weakly -) irresolute Continuous and -(weakly -) irresolute Open

(Closed) Order Homomorphism¡­¡­¡­¡­¡­...............¡­¡­¡­¡­.S. A. El-Sheikh 59

Fuzzifying Syntopogenous Structures

.....................................................................¡­¡­¡­A. K. Katsaras and C. G. petalas 77

Exact and Approximation Algorithms for Scheduling Unrelated Machines

Under Fuzzy Environment

¡­¡­.¡­¡­¡­¡­.Ameer AL-Salem, Omar M. Saad and Robert L. Armacost 109

Fuzzy Hahn-Banach Theorem-a New Approach-I

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­¡­Binimol Punnoose and A. Sunny Kuriakose 127

Some Remarks on Heilpern¡¯s Generalization of Nadler¡¯s Fixed Point

Theorem ¡­¡­¡­¡­¡­¡­¡­¡­¡­..........¡­¡­¡­¡­M. Marudai and P.S. Srinivasan 137

Two-phase Fuzzy Algorithms for Multi-objective Transportation Problem ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­¡­..Shu Ping Gao and San Yang Liu 147

Fuzzy Decision and Encryption-group Sharing of Decision Conclusion

....................................................................Guo Ping Han and Kai Quan Shi 157

C. T. Yang¡¯s Theorem Concerning -derived Set in -fuzzy Topological

Spaces ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...Rui-ying Wang and Zhi-fang Ji 171

Existence of Solutions of Fuzzy Delay Differential Equations on A Closed

Subet ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­..Jin Xuan Fang and Chuan Zhi Bai 179

On the Characterization of Continuous Order-homomorphism ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...........¡­¡­¡­¡­¡­..Wu-neng Zhou 197

Relationship Between Measure of Fuzziness and Measure of Similarity ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­....¡­¡­Wen Yi Zeng and Hong Xing Li 207

Three Step Iterative Algorithms for Multivalued Quasivariational

Inclusions with Fuzzy Mappings.....Jong Yeoul Park and Jae Ug Jeong 215

Fuzzy Variational Inequality and Complementarity Problem ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.......¡­¡­..S. Nanda and S. Pani 231

On uniformly Continuous Mappings in Fuzzy Metric Spaces

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.......¡­...V. Gregori, S. Romaguera and A. Sapena 237

The Fuzzy Mutation :An Operator to Improve the Performance of

Genetic Algorithms ¡­¡­¡­¡­¡­¡­...Chen Guolong and Guo Wen Zhong 245