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Listar por palabra clave "Subdirect sum"

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Listar por palabra clave "Subdirect sum"

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    Some results on B-matrices and doubly B-matrices 
    Mendes Araújo, Claudia; Torregrosa Sánchez, Juan Ramón (Elsevier, 2014-10-15)
    A real matrix with positive row sums and all its off-diagonal elements bounded above by their corresponding row means was called in [4] a B-matrix. In [5], the class of doubly B-matrices was introduced as a generalization ...
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    Weighted subdirect sum of matrices: Definition and properties for positivity classes 
    Pedroche Sánchez, Francisco (John Wiley & Sons, 2022-10)
    [EN] The concept of subdirect sum of matrices (a type of sum of matrices with overlapping blocks) was introduced in 1999 and has been broadly studied. In this paper we extend this concept by introducing the weighted subdirect ...