In this paper, a new concept for a $$2\times 2$$2×2 block relation matrix is studied in a Banach space. We define a matrix linear relation and present some of its… Click to show full abstract
In this paper, a new concept for a $$2\times 2$$2×2 block relation matrix is studied in a Banach space. We define a matrix linear relation and present some of its properties. It is shown that, under certain condition, we can investigate the Frobenius–Schur of relation matrices.
               
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