References
- C.L. Chang, Fuzzy topological spaces, M. Math. Anal. Appl. 24 (1968), 182-190. https://doi.org/10.1016/0022-247X(68)90057-7
- D. Deepak, B. Mathew, S. Mohn and H.A. Garg, Topological structure involving hesitant fuzzy sets, M. Intell. Fuzzy Syst. 36 (2019), 6401-6412. https://doi.org/10.3233/JIFS-182673
- D. Divakaran and S.J. John, Hesitant fuzzy rough sets through hesitant fuzzy relations, Ann. Fuzzy Math. Inform. 8 (2014), 33-46.
- B.M. Ittanagi and R.S. Wali, On fuzzy minimal open and fuzzy maximal open sets in fuzzy topological spaces, International J. of Mathematical Sciences and Applications 1 (2011).
- J. Kim, Y.B. Jun, P.K. Lim, J.G. Lee and K. Hur, The category of hesitant H-fuzzy sets, Ann. Fuzzy Math. Inform. 18 (2019), 57-74. https://doi.org/10.30948/afmi.2019.18.1.57
- J.G. Lee and K. Hur, Hesitant fuzzy topological spaces, Mathematics 8 (2020).
- V. Torra, Hesitant fuzzy sets, Int. J. Intel. Sys. 25 (2010), 529-539.
- L.A. Zadeh, Fuzzy sets, Information and computation 8 (1965), 338-353.