참고문헌
-
M. Caldas, G. Navalagi, and R. Saraf, Weakly
${\theta}-closed$ functions between fuzzy topological spaces, Mat. Vesnik 54 (2002), no. 1-2, 13–20. - C. L. Chang, Fuzzy topological spaces, J. Math. Anal. Appl. 24 (1968), 182–190. https://doi.org/10.1016/0022-247X(68)90057-7
- Y. B. Jun, Weak fuzzy implication algebras, Adv. Stud. Contemp. Math. (Kyungshang) 7 (2003), no. 1, 41–52.
- Y. B. Jun and M. Kondo, On transfer principle of fuzzy BCK/BCI-algebras, Sci. Math. Jpn. 59 (2004), no. 1, 35–40.
- Y. B. Jun, C. H. Park, and E. H. Roh, Characterizations of filters and ideals on WFIalgebras, Honam Math. J. 28 (2006), no. 4, 471–484.
- Y. B. Jun and S. Z. Song, Simulative and mutant WFI-algebras, Honam Math. J. 28 (2006), no. 4, 559–572.
- Z. Li and C. Zheng, Relations between fuzzy implication algebra and MV algebra, J. Fuzzy Math. 9 (2001), no. 1, 201–205.
- F. G. Lupianez, C-scattered fuzzy topological spaces, Appl. Math. Lett. 14 (2001), no. 2, 201–204. https://doi.org/10.1016/S0893-9659(00)00136-1
- F. G. Lupianez, Fuzzy partitions of unity, Mat. Vesnik 56 (2004), no. 1-2, 13–15.
- W. M. Wu, Fuzzy implication algebras, Fuzzy Systems Math. 4 (1990), no. 1, 56–63.
- L. A. Zadeh, Fuzzy sets, Information and Control 8 (1965), 338–353. https://doi.org/10.1016/S0019-9958(65)90241-X