A New Subclass of the Class of Nonsingular $$ \mathcal{H} $$-Matrices and Related Inclusion Sets for Eigenvalues and Singular Values
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DOI: 10.1007/s10958-019-04398-4
Abstract: The paper presents new nonsingularity conditions for n ×n matrices, which involve a subset S of the index set {1, . . ., n} and take into consideration the matrix sparsity pattern. It is shown… read more here.
Keywords: nonsingular mathcal; subclass class; class nonsingular; inclusion sets ... See more keywords
Singular value inclusion sets of rectangular tensors
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DOI: 10.1016/j.laa.2018.05.011
Abstract: Abstract In this paper, two singular value inclusion sets for rectangular tensors via a digraph and a lifting square tensor are given, respectively. Furthermore, it is shown that these two singular value inclusion sets are… read more here.
Keywords: singular value; value inclusion; inclusion; inclusion sets ... See more keywords