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2002, Volume 284  
| General information | Contents |


Computational methods and algorithms. Part XV


Powers of sign portraits of real matrices
Yu. A. Alpin, S. N. Il'in 		5–17
Factorized-sparse-approximate-inverse preconditionings of linear systems with unsymmetric matrices
A. Yu. Yeremin, A. A. Nikishin 		18–35
Determinantal inequalities for accretive-dissipative matrices
Kh. D. Ikramov 		36–47
On Brualdi's theorem
L. Yu. Kolotilina 		48–63
A class of optimally conditioned block $2\times2$ matrices
L. Yu. Kolotilina 		64–76
Bounds and inequalities for the Perron root of a nonnegative matrix
L. Yu. Kolotilina 		77–122
Computing the invariant polynomials of a polinomial matrix. 1
V. N. Kublanovskaya 		123–127
Computing the invariant polynomials of a polynomial matrix. 2
V. N. Kublanovskaya 		128–142
To solving multiparameter problems of algebra 1. Methods for computing complete polynomials and their applications
V. N. Kublanovskaya 		143–162
To the solution of partial eigenproblems for polynomial matrices
V. N. Kublanovskaya, V. B. Khazanov 		163–176
On some properties of polynomial bases of subspaces over the field of rational functions in several variables
V. B. Khazanov 		177–191
Multiplicative correction of a matrix on a sequence of subspaces. I: Basic algorithms and theory for general unsymmetric matrices
S. A. Kharchenko, A. Yu. Yeremin 		192–246
Existence of $2^n$ periodic solutions of a system of $n$ differential equations of first order
M. N. Yakovlev 		247–262
Existence of $2^n$ solutions of a system of $n$ nonlinear equations in $n$ unknowns
M. N. Yakovlev 		263–268
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