On excess of retro Banach frames

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2019

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Verma, G.
Vashisht, L.K.
Singh, M.

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Journal of Contemporary Mathematical Analysis, 2019; 54(3):143-146

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Abstract

The excess of a frame is the greatest number of elements that can be removed from a given frame, yet leave a set which is a frame for the underlying space.We present a characterization of retro Banach frames in Banach spaces with finite excess. A sufficient condition for the existence of a retro Banach frame with infinite excess is obtained.

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Copyright 2019 Allerton Press

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