Filomat 2003 Volume , Issue 17, Pages: 15-21
https://doi.org/10.2298/FIL0317015D
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Two ways to compactness
Đolović Ivana (Technical faculty, University of Belgrade)
In this paper we give two different ways of proving the compactness of some linear operators between certain sequence spaces. One of them is based only on the theory of matrix transformations and the other uses the Hausdorf measure of noncompactness.
Keywords: matrix transformations, compact operators, measure of noncompactness