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A new double series space derived by factorable matrix and four-dimensional matrix transformations
AIMS Mathematics 2024, 9(11): 30922-30938
Published: 30 October 2024
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In this study, we introduce a new double series space |Fa,bu,θ|k using the four dimensional factorable matrix F and absolute summability method for k≥1. Also, examining some algebraic and topological properties of |Fa,bu,θ|k, we show that it is norm isomorphic to the well-known double sequence space Lk for 1≤k<∞. Furthermore, we determine the α-, β(bp)- and γ-duals of the spaces |Fa,bu,θ|k for k≥1. Additionally, we characterize some new four dimensional matrix transformation classes on double series space |Fa,bu,θ|k. Hence, we extend some important results concerned on Riesz and Cesàro matrix methods to double sequences owing to four dimensional factorable matrix.

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