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Usama Abdelhamid Ibrahim

Faculty Science - Department Mathematics Department

MSc In NULL, [1975]
PhD In NULL, [1988]

قائم بالعمل

Academic Jobs

Doctor Assisant : 27/9/1975
Doctor : 21/12/1988
Professor Assisant : 20/2/2001
Professor : 23/9/2008
Professor Emeritus : 1/1/2011

Publications

1 - I-Proximity Spaces (2013).

2 - New approach to bitopological ordred space (2013).

3 - Fuzzy Pairwise Separation Axioms in fuzzy Bitopological spaces (2013).

4 - Soft proximity (2013).

5 - HYBRIDIZING ROUGH SETS AND DOUBLE SETS (An approach for increasing decision accuracy) (2013).

6 - Convergence of Intuionistic Fuzzy Filters in Syntopogenous Intuionisticfuzzy Strctures (2013).

7 - Supra generalized closed soft sets with respect to an soft ideal in supra soft topological spaces (2014).

8 - Soft Ideal Theory Soft Local Function and Generated Soft Topological Spaces (2014).

9 - T3 and T4-Spaces in Smooth Topological Spaces (2014).

10 - r-(i;j)--Generalized Fuzzy Closed Sets in Smooth Bitopological Spaces (2014).

11 - r - ¿ 12 -Fuzzy Semiop en Sets and Fuzzy Semi ontinuity Mappings in Smo oth Bitop ologica Spaces (2014).

12 - Some fuzzy soft topological properties based on fuzzy semi open soft sets (2014).

13 - -op eration and decomp ositions of some forms of soft continuity in soft top ological spaces (2014).

14 - generalized quotient groups and product of topological group (2014).

15 - A note on “separation axioms in fuzzbitopological spaces (2015).

16 - A note on “separation axioms in fuzzbitopological spaces (2015).

17 - Some types of pairwise soft sets and the associated soft topologies (2017).

18 - Generalization of Pawlak's rough approximation spaces by using ij-chi- open sets and its applications (2017).

Research Area