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math.GN2022
On Countably -Compact Topological Spaces
Eman Almuhur, Muhammad Ahsan Khan
In this paper, some features of countably -compact topological spaces are presented and proven. The connection between countably % -compact, Tychonoff, and -Hausdorff spac…
math.FA2022
On Some Algebraic Properties of Block Toeplitz Matrices with Commuting Entries
Muhammad Ahsan Khan, Ameur Yagoub
Toeplitz matrices are ubiquitous and play important roles across many areas of mathematics. In this paper, we present some algebraic results concerning block Toeplitz matrices with…