Zobrazeno 1 - 10 of 13 pro vyhledávání: '"M. M. El-Sharkasy"'
1
Topological rough sets vs Kuratowski operator and its applications
Autor: M. M. El-Sharkasy, Abd El Fattah El Atik
Some new types of closure operators that are generalization of a Kuratowski operator are defined throughout this paper. From these operators, we give new models of upper approximations, lower approximations and boundary regions that are basic notions
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::03f9661b2fa893615bfc88738cfabd56
https://doi.org/10.21203/rs.3.rs-1430991/v1
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2
Minimal structure approximation space and some of its application
Autor: M. M. El-Sharkasy
Publikováno v: Journal of Intelligent & Fuzzy Systems. 40:973-982
Topological concepts play an important role in applications and solving real-life problems. Among of these concepts are neighbourhood and minimal structure. In this paper, we introduce a new space-based on a generalized system with a binary relation
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::532aedddde18251cee754dc176e5cc7a
https://doi.org/10.3233/jifs-201090
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3
REDUCTION OF KNOWLEDGE VIA MINIMAL APPROXIMATION SPACE AND GRAPHS
Autor: M. M. El-Sharkasy
Publikováno v: Journal of the Egyptian Mathematical Society. 26:450-457
In this paper, we introduce a simple undirected graph based on a binary relation by using thenotion of right neighborhood and minimal approximation space. Also, we investigate the lowerapproximation and the upper approximation of a subgraph to comput
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::966dfd7d16c0437062be70b5451028a7
https://doi.org/10.21608/joems.2018.3241.1062
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6
Applying Rough Set Theory on DNA Recombination
Autor: M. M. El-Sharkasy, M. Sh. Badr, Wafaa M. Fouda
Publikováno v: Delta Journal of Science. 38:63-73
The generalized structure of DNA recombination is based on the rules of rough Set. Inthis paper we are discussing the relationship between rough Set and DNA recombination. Weconstruct a new recombination operator using the properties of DNA and RNA.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0ee18ff6c6accb2bf155aa244796acbe
https://doi.org/10.21608/djs.2017.139428
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9
On Λα-sets and the associated topology TΛα
Autor: M. M. El-Sharkasy
Publikováno v: Journal of the Egyptian Mathematical Society. 23(2):371-376
In this paper, we introduce the notions of an α -Λ-sets and an α -V-sets in topological space. We study the fundamental properties of α -Λ-sets and α -V-sets. Also, we investigate the topologies defined by these families of sets.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::beedc1c714c8ef290f7e0b274954b1cc
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10
New types of generalizations of θ- closed sets
Autor: Y. Gh. Gouda, M. M. El-Sharkasy, S. M. El-Sayed
The aim of this paper is to introduce and study the class of T-closed sets as a generalization of θ-closed sets, which is properly placed between θ-closed sets and closed sets. A generalization of T- closed sets, namely, generalized T-closed sets i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6509a6f1147f3a1294b4b91ee6525616
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