AMC
2010
13 years 11 months ago
2010
The problem formulated in the title is investigated. The case of nilpotent matrices of size at most 4 allows a unitary treatment. The numerical range of a nilpotent matrix M of siz...
AMC
2010
13 years 11 months ago
2010
AMC
2010
13 years 11 months ago
2010
In this paper, we investigate condition numbers of eigenvalue problems of matrix polynomials with nonsingular leading coefficients, generalizing classical results of matrix pertur...
AMC
2010
13 years 11 months ago
2010
AMC
2010
13 years 11 months ago
2010
In this paper properties of cell matrices are studied. A determinant of such a matrix is given in a closed form. In the proof a general method for determining a determinant of a s...
AMC
2010
13 years 11 months ago
2010
AMC
2010
13 years 11 months ago
2010
In this paper, we generalize the classical windowed Fourier transform (WFT) to quaternionvalued signals, called the quaternionic windowed Fourier transform (QWFT). Using the spect...
AMC
2010
13 years 11 months ago
2010
Kirsch's factorization method is a fast inversion technique for visualizing the profile of a scatterer from measurements of the far-field pattern. The mathematical basis of t...
AMC
2010
13 years 11 months ago
2010
: Parallel iterative methods are powerful tool for solving large system of linear equations (LEs). The existing parallel computing research results are focussed mainly on sparse sy...
AMC
2010
13 years 11 months ago
2010
Let X be a smooth quadric of dimension 2m in P2m+1 C and let Y, Z X be subvarieties both of dimension m which intersect transversely. In this paper we give an algorithm for comput...