New Rough Set Approximation Spaces

by H. M. Abu-Donia
Published 2013-01-01

New types of generalized closed sets in bitopological spaces

by H.M. Abu-Donia
Published 2013-10-01

Generalized wclosed sets in biweak structure spaces

by H. M. Abu-Donia, Rodyna A. Hosny
Published 2020-05-01

On $$\psi _{{\mathcal{H}}}( . )$$ ψ H ( . ) -operator in weak structure spaces with hereditary classes

by H. M. Abu-Donia, Rodyna A. Hosny
Published 2020-11-01

On b-connectedness and b-disconnectedness and their applications

by A.A. El-Atik, H.M. Abu Donia, A.S. Salama
Published 2013-04-01

Generalized ψ∗-closed sets in bitopological spaces

by H.M. Abu Donia, M.A. Abd Allah, A.S. Nawar
Published 2015-10-01

Fixed point theorem by using ψ–contraction and (ϕ,φ)–contraction in probabilistic 2–metric spaces

by H.M. Abu-Donia, H.A. Atia, Omnia M.A. Khater
Published 2020-06-01

Special Approach to Near Set Theory

by M. E. Abd El-Monsef, H. M. Abu-Donia, E. A. Marei
Published 2011-01-01