Yousry Shafik Hanna

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In different fields in space researches, Scientists are in need to deal with the product of matrices. In this paper, we develop conditions under which a product  of matrices chosen from a possibly infinite set of matrices 0 i i P    , j  M P j J     k i P   0 k k i  converges. There exists a vector norm such that all matrices in M are no(More)
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