Dr. Osama Rashed Sayed

Professor
Department of Mathematics, Faculty of Science, Assiut University, Assiut, Egypt

My URL
https://livedna.org/20.34969

Share this Profile

Area of Interest:

Mathematics
General and Fuzzy Topology
Fuzzy Logic

Selected Publications

  1. Sayed, O.R., O.G. Hammad and J.C.R. Alcantud, 2023. Uniform spaces based on a way below relation. Comp. Appl. Math., Vol. 42. 10.1007/s40314-022-02117-5.
    CrossRef  |  Direct Link  |  

  2. Sayed, O.R., A.A. Aly and S. Zhang, 2022. Intuitionistic fuzzy topology based on intuitionistic fuzzy logic. Symmetry, Vol. 14. 10.3390/sym14081613.
    CrossRef  |  Direct Link  |  

  3. Sayed, O.R. and K. Kiliçman, 2022. Fuzzification of strongly and locally strongly compact spaces. Proyecciones, 41: 45-82.
    CrossRef  |  Direct Link  |  

  4. Sayed, O.R. and A.M. Khalil, 2022. Soft theta-topology based on many-valued logic. Thai J. Math., 20: 759-783.
    Direct Link  |  

  5. Zhao, H., X. Hu, O.R. Sayed, E. El-Sanousy and Y.H.R. Sayed, 2021. Concave (L, M)-fuzzy interior operators and (L, M) -fuzzy hull operators. Comp. Appl. Math., Vol. 40. 10.1007/s40314-021-01690-5.
    CrossRef  |  Direct Link  |  

  6. Zhao, H., O.R. Sayed, E. El-Sanousy, Y.H.R. Sayed and Gui-Xiu Chen, 2021. On separation axioms in (L, M)-fuzzy convex structures. J. Intell. Fuzzy Sys., 40: 8765-8773.
    CrossRef  |  Direct Link  |  

  7. Ali, M., A. Kılıçman and A.Z. Khameneh, 2020. Separation axioms of interval-valued fuzzy soft topology via quasi-neighborhood structure. Mathematics, Vol. 8. 10.3390/math8020178.
    CrossRef  |  Direct Link  |  

  8. Sayed, O., E.S. El-Sanousy and Y. Sayed, 2019. On (L,M)-fuzzy convex structures. Filomat, 33: 4151-4163.
    CrossRef  |  Direct Link  |  

  9. Mohammed, R.A., O.R. Sayed and A. Eliow, 2019. Some properties of soft delta-topology. Acad. J. Nawroz Uni., 10.25007/ajnu.v8n4a481.
    CrossRef  |  Direct Link  |  

  10. Mohammed, R.A. and O.R. Sayed, 2019. Soft Js-spaces and strong soft Js-spaces. 2019 International Conference on Advanced Science and Engineering (ICOASE), April 2-4, 2019, IEEE Xplore, Tunis, Tunisia, pp: 241-246.
    CrossRef  |  Direct Link  |  

  11. Sayed, O.R., N. Hassan and A.M. Khalil, 2017. A decomposition of soft continuity in soft topological spaces. Afr. Mat., 28: 887-898.
    CrossRef  |  Direct Link  |  

  12. Sayed, O.R. and Y.C. Kim, 2017. Local β compactness as fuzzy predicates defined in Łkasiewicz logic. J. Intell. Fuzzy Syst., 32: 165-176.
    CrossRef  |  Direct Link  |  

  13. Hassan, N., O.R. Sayed, A.M. Khalil and M.A. Ghany, 2017. Fuzzy soft expert system in prediction of coronary artery disease. Int. J. Fuzzy Syst., 19: 1546-1559.
    CrossRef  |  Direct Link  |  

  14. Sayed, O.R. and R.A. Borzooei, 2016. Soft topology and soft proximity as fuzzy predicates by formulae of Lukasiewicz logic. Iran. J. Fuzzy Syst., 13: 153-168.
    CrossRef  |  Direct Link  |  

  15. Baki, S.A.A.E. and O.R. Sayed, 2015. On special operations on u03c9-closeness on topological spaces. Asian-Eur. J. Math., 10.1142/s179355711550059x.
    CrossRef  |  Direct Link  |  

  16. Sayed, O.R., 2014. Locally u03b1-compact spaces based on continuous valued logic. J. Egypt. Math. Soc., 22: 70-82.
    CrossRef  |  Direct Link  |  

  17. Sayed, O.R. and H. Zhao, 2014. Some covering properties in semantic method of continuous valued logic. J. Intell. Fuzzy Syst., 27: 1419-1431.
    CrossRef  |  Direct Link  |  

  18. Sayed, O.R. and T. Noiri, 2013. Supra b-irresolutness and supra b-connectedness on topological space. Kyungpook Math. J., 53: 341-348.
    CrossRef  |  Direct Link  |  

  19. Sayed, O.R., 2012. u03b1-irresoluteness and u03b1-compactness based on continuous valued logic. J. Egypt. Math. Soc., 20: 116-125.
    CrossRef  |  Direct Link  |  

  20. Sayed, O.R., 2012. A unified theory (I) for neighborhood systems and basic concepts on fuzzifying topological spaces. Appl. Math., 3: 983-996.
    CrossRef  |  Direct Link  |  

  21. Zahran, A.M., O.R. Sayed, M.A. Abd-Allah and A.K. Mousa, 2010. On fuzzifying nearly compact spaces. Int. J. Fuzzy Logic Intell. Syst., 10: 296-302.
    CrossRef  |  Direct Link  |  

  22. Zahran, A.M., O.R. Sayed and A.K. Mousa, 2007. Completely continuous functions and R-map in fuzzifying topological space. Fuzzy Sets Syst., 158: 409-423.
    CrossRef  |  Direct Link  |  

  23. Sayed, O.R. and M.A. Abd-Allah, 2006. Fuzzy β-irresolute functions and fuzzy β-compact spaces in fuzzifying topology. Iran. J. Sci. Technol. Trans. A, 30: 297-314.
    CrossRef  |  Direct Link  |  

  24. Noiri, T. and O.R. Sayed, 2006. On decomposition of continuity. Acta Math. Hung., 111: 1-8.
    CrossRef  |  Direct Link  |  

  25. Noiri, T. and O.R. Sayed, 2005. On Ω-closed sets and Ωs-closed sets in topological spaces. Acta Math. Hung., 107: 307-318.
    CrossRef  |  Direct Link  |  

  26. Sayed, O.R. and A.M. Zahran, 2004. Corrigendum to “Almost continuity and δ-continuity in fuzzifying topology”: [Fuzzy Sets and Systems 116 (2000) 339–352]. Fuzzy Sets Syst., 146: 153-154.
    CrossRef  |  Direct Link  |  

  27. Noiri, T. and O.R. Sayed, 2002. Fuzzy cγ-open sets and fuzzy cγ-continuity in fuzzifying topology. Int. J. Math. Math. Sci., 31: 51-63.
    CrossRef  |  Direct Link  |  

  28. Khedr, F.H., F.M. Zeyada and O.R. Sayed, 2001. On separation axioms in fuzzifying topology. Fuzzy Sets Syst., 119: 439-458.
    CrossRef  |  Direct Link  |  

  29. El-Hakeim, K.M.A., F.M. Zeyada and O.R. Sayed, 2001. pre-Continuity and D(c,p)-continuity in fuzzifying topology. Fuzzy Sets Syst., 119: 459-471.
    CrossRef  |  Direct Link  |  

  30. Khedr, F.H., F.M. Zeyada and O.R. Sayed, 2000. α-Continuity and cα-continuity in fuzzifying topology. J. Fuzzy Sets Syst., 116: 325-337.
    CrossRef  |  Direct Link  |  
Member since November, 2020