Results 91 to 100 of about 507 (130)
On sequence spaces defined by arithmetic function and Hausdorff measure of noncompactness
In this study, we construct an infinite matrix S= (snk) defined by snk = k S(n) , k | n, 0 , k n for all n,k = 1,2,3, · · · , where S(n) stands for the sum of the positive divisors of n, and introduce sequence spaces `p(S), c0(S), c(S) and `∞(S) by ...
Taja Yaying, Nipen Saikia
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In the present paper, some results on matrix mappings and Hausdorff measure of noncompactness of certain generalized Euler difference sequence spaces of fractional order are discussed.
P. Baliarsingh, Uğur Kadak
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Compactness by the Hausdorff measure of noncompactness
M. Mursaleen, Abdullah K. Noman
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Ivana Djolović, Eberhard Malkowsky
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