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math.FA2015
Multipliers of pg-Bessel sequences in Banach spaces
M. R. Abdollahpour, A. Najati, P. Gavruta
In this paper, we introduce (p,q)g-Bessel multipliers in Banach spaces and we show that under some conditions a (p,q)g-Bessel multiplier is invertible. Also, we show the continuous…
math.FA2014★ 5 cited
Two classes of Meir-Keeler contractions
L. Gavruta, P. Gavruta, F. Khojasteh
In the present paper, we prove that Z-contractions and weakly type contractions are actually Meir-Keeler contractions.