Educational Qualifications: 

Ph. D. In Mathematics ( Topology ) , Faculty of Science, Assiut University, 2002



Professor, Department of Mathematics , Faculty of Science, ِِAssiut University, 2017


Associate Professor, Department of Mathematics , Faculty of Science, ِِAssiut University, 2008


Lecturer, Department of Mathematics , Faculty of Science, Assiut University, 2002


Assistant Lecturer, Department of Mathematics , Faculty of Science, Assiut University, 1995


Demonstrator, Department of Mathematics , Faculty of Science, Assiut University, 1991

Research fields: Topological Spaces
Publications: 
1  O. R. SAYED AND R. A. BORZOOEI, SOFT TOPOLOGY AND SOFT PROXIMITY AS FUZZY
PREDICATES BY FORMULAE OF LUKASIEWICZ LOGIC, Iranian Journal of Fuzzy Systems, Vol. 13  No. 7, pp. 153  168, 2016

2  O. R. Sayed, Locally γcompact spaces based on Lukasiewicz logic, The Journal of Fuzzy Mathematics , 23(1), 2015

3  O. R. Sayed and A. M. Khalil, Some properties of soft θtopology, Hacettepe Journal of Mathematics and Statistics , Vol. 44  No. 5, pp. 1133  145, 2015

4  O. R. Sayed and A. M. Khalil, Comment on “Mobile cloud computing network attack and defense learning system based on fuzzy soft sets, Procedia Computer Science, 2015

5  S. A. AbdEl Baki andO. R. Sayed, On special operations on Ωclosedness on topological spaces, AsianEuropean journal of Mathematics, 2015

6  O. R. Sayed, On preserving Ωscloseness in topological spaces, ActaUniversitatisApulensis, 2015

7  O. R. Sayed, , α Separation axioms based on Lukasiewicz logic, Hacettepe Journal of Mathematics and Statistics , 43 (2), 269 { 287, 2014

8  O.R. Sayed and Hu Zhao, Some covering properties in semantic method of continuous valued logic, Journal of Intelligent & Fuzzy Systems, 1419–1431, 2014

9  Journal of The Egyptian Mathematical Society, locally αcompact spaces based on continuous valued logic, Journal of The Egyptian Mathematical Society, 2014

10  O. R. Sayed and A. K. Mousa, Almost separation axioms in fuzzifying topology, Journal of Advanced Studies in Topology , 4(4), 4658, 2013

11  O. R. Sayed and T. Noiri, Supra birresolutness and supra b connectedness on topological spaces, yungpook Mathematical Journal , 53, 341348, 2013

12  O. R. Sayed, βSeparation axioms based on Lukasiewicz logic, Engineering Science Letters, 1(1), 124, 2012

13  O. R. Sayed, αirresoluteness and α compactness based on continuous valued logic, Journal of The Egyptian Mathematical Society, 20, 116125, 2012

14  O. R. Sayed, A unified theory (I) for neighborhood systems and basic concepts on fuzzifying topological spaces, Applied Mathematics, 3, 983996 , 2012

15  O. R. Sayed, Supra βconnectedness on topological spaces, Proceedings of The Pakistan Academy of Sciences, 49 (1), 1923, 2012

16  O. R. Sayed, Quasi Triangular Norms Between Boolean Conjunction and any Other Quasi Triangular Norm, Annals of Fuzzy sets, Fuzzy Logic and Fuzzy Systems, 1 (4) , 253265, 2012

17  O. R. Sayed, Supra preopen sets and supra pre continuity on topological spaces, ,“VasileAlecsandri” University of Bacau Faculty of ScienceScientific Studies and Research Series Mathematics and Informatics, 20 (2), 7988, 2010

18  O. R. Sayed and T. Noiri, On supra bopen sets and supra b continuity on topological spaces, European Journal of Pure and Applied Mathematics , 3 (2) , 295302, 2010

19  A. M. Zahran, O. R. Sayed, M. Azab Abdallahand A. K. Mousa, On fuzzifying nearly compact spaces, , The 22nd International Conference on Topology and its Applications, International Journal of Fuzzy Logic and Intelligent Systems, 10 (4) , 296302, 2010

20  O. R. Sayed, On Ωopen sets and Ωs open sets in topological spaces, International Journal of General Topology, 1 (1), 1119, 2008

21  A. M. Zahran O. R. Sayedand A. K. Mousa, Completely continuous functions and Rmap in fuzzifying topological space, Fuzzy Sets and Systems, 158, 409423, 2007

22  S. A. Abd ElBaki and O. R. Sayed, Preirresoluteness and strong compactness in fuzzifying topology, Journal of The Egyptian Mathematical Society, , 15 (1), 4156, 2007

23  O. R. Sayed and M. Azab Abd Allah, Fuzzy  Irresolute Function and Fuzzy Compact Spaces in Fuzzifying Topology,
, Iranian Journal of Science and Technology , Iranian Journal of Science and Technology , Vol. 30 No.A3 (2007) , 297314, 2007

24  O. R. Sayed, γ compactness in fuzzifying topology, The Journal of Fuzzy Mathematics, 14 (4), 789 810, 2006

25  T. Noiri and O. R. Sayed, On decomposition of continuity, Acta Mathematica Hungarica, 111 (12), 1 8, 2006

26  O. R. Sayed, Fuzzy γseparation axioms in fuzzifying topology, The Journal of Fuzzy Mathematics, 14 (4) , 767 787, 2006

27  O. R. Sayed and M. AzabAbdAlla, Fuzzyβirresolute functions and fuzzy βcompact spaces in fuzzifying topology, Iranian Journal of Science & Technology Transaction A: Sciences, 30 (3), 297 314, 2006

28  T. Noiri and O. R. Sayed , On Ωclosed sets and Ωs closed sets in topological spaces, Acta Mathematica Hungarica, 107 (4), 307 318, 2005

29  O. R. Sayed , Semicompactness in fuzzifying topology, Proceedings of The Pakistan Academy of Sciences, 42 (3), 177186, 2005

30  T. Noiri and O. R. Sayed, Fuzzy γconvergence and fuzzy cγconvergence of nets and filters in fuzzifying topology, Proceedings of The Pakistan Academy of Sciences, 42 (2), 111120, 2005

31  O. R. Sayed and A. M. Zahran, Corrigendum to the article "Almost continuity and δ continuity in fuzzifying topology, Fuzzy Sets and Systems, 146 (1), 153154, 2004

32  F. H. KHEDR, K. M. ABD ELHAKEIM, F. M. ZEYADA AND O. R. SAYED, FUZZIFYING PROXIMITY AND STRONG FUZZIFYING
UNIFORMITY, SOOCHOW JOURNAL OF MATHEMATICS, V.29 No.1, 8392, January, 2003

33  F.H.Khedr, F.M.Zeyada and O.R.Sayed, on separation axioms in fuzzifying topology, J.fuzzy seta and systems, 119 No 3, 439458, 2001

Number of courses0 course 
