abs_vol18_pp500-512. 21KB Jun 04 2011 12:05:47 AM
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As is well known, the Schur complements of strictly or irreducibly diagonally dom- inant matrices are H − matrices; however, the same is not true of generally diagonally
roots of a convex set” is used to study the polynomial numerical hulls of order k for normal matrices..
Universally optimal matrices are used to establish field independence of minimum rank for numerousgraphs.. Examplesare also provided verifying lack of field independence for
The latter two problems are hopeless since they are wild; i.e., each of them contains the problem of classifying pairs of matrices over F up to similarity..
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
A characterization of the joint spectral radius, due to Chen and Zhou, relies on the limit superior of the k -th root of the dominant trace over products of matrices of length
Both infinite and sequences of finite Toeplitz matrices are considered, and also studied is the finite section method, which consists in approximating infinite systems by large
Indeed, necessary (and sufficient) conditions for the smooth fit to hold are found to be regularity of the diffusion process X , differentiability of the gain function at the
