vol17_pp376-388. 160KB Jun 04 2011 12:06:00 AM
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The main result here, Theorem 2.3, characterizes the minimizers of the distance between a given positive semidefinite matrix and the unitary group, for strictly increasing Schur
Block matrix, Determinant, Quaternion matrices, Universal factorization, Involu- tory matrices, Idempotent matrices.. AMS
In their study they found examples of eventually nonnegative matrices for which the relationship between the combinatorial structure of the matrix, and its spectrum, eigenvectors,
In the main Theorem 4.1 we show that regularity of interval matrices can be characterized in terms of determinants (Theorem 4.1, condition (xxxii)), matrix inverses (xxx),
This paper extends the Nilpotent- Jacobian method for sign pattern matrices to complex sign pattern matrices, establishing a means to show that an irreducible complex sign
Complementary triangular forms of pairs of matrices, realizations with prescribed main matrices, and complete factorization of rational matrix functions.. Linear
of matrix valued functions is very rich but mainly, perturbations of matrix functions of a complex argument and matrix functions of Hermitian matrices were considered, cf.
In this paper, we study matrix functions preserving sets of generalized nonnegative matrices such as the set of real n × n eventually nonnegative matrices, the set of real n ×
