The dual space of the sequence space bv p (1 £ p ¥ )
Acta mathematica Universitatis Comenianae, Tome 79 (2010) no. 1
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The sequence space bvp consists of all sequences ( xk ) such that ( xk - x k - 1 ) belongs to the space lp . The continuous dual of the sequence space bvp has recently been introduced by Akhmedov and Basar [Acta Math. Sin. Eng. Ser., 23(10) , 2007, 1757 - 1768]. In this paper we show a counterexample for case p = 1 and introduce a new sequence space d ¥ instead of d 1 and show that bv 1 * = d ¥ . Also we have modified the proof for case p > 1. Our notations improves the presentation and confirms with last notations l 1 * = l ¥ and l1 * = lq .