استعرض مجلة العلوم الإنسانية والتطبيقية حسب المؤلف "Algadid, Yousef Ali"
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On some finitely generated subsemigroups of S(X)
Algadid, Yousef Ali; Hannun, Waleed Abdelwahab (ELMERGIB UNIVERSITY, 2020-06)S(X) is the semigroup, under composition, of all continuous selfmaps of the topological space X. In this paper, we show for a number of spaces that S(X) contains a dense subsemigroup generated by two elements when S(X) ...