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JOURNALS
// Zapiski Nauchnykh Seminarov POMI
// Archive
2012, Volume 405
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General information
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Contents
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Computational methods and algorithms. Part XXV
To the memory of V. N. Kyblanovskaya
7
Combinatorial properties of irreducible semigroups of nonnegative matrices
Yu. A. Al'pin, V. S. Al'pina
13
Sparse matrix storage formats and acceleration of iterative solution of linear algebraic systems with dense matrices
R. R. Akhunov, S. P. Kuksenko, V. K. Salov, T. R. Gazizov
24
Optimization of the
$\mathrm{ILU}(0)$
factorization algorithm with the use of compressed sparse row format
R. R. Akhunov, S. P. Kuksenko, V. K. Salov, T. R. Gazizov
40
Numerical solution of the matrix equations
$AX+X^TB=C$
and
$X+AX^TB=C$
with rectangular coefficients
Y. O. Vorontsov, Kh. D. Ikramov
54
Estimating the second coefficient in the class of typically real functions with two function values prescribed
E. G. Goluzina
59
Monotone maps on matrices of index one
A. E. Guterman, M. A. Efimov
67
Spline-wavelets in the case of a single local coarsening of the grid
Yu. K. Dem'yanovich
97
Antilinear operators and special matrices
Kh. D. Ikramov
119
Solving systems of linear equations with quasi-Toeplitz coefficient matrices
Kh. D. Ikramov
127
Unitary congruence to a conjugate-normal matrix
Kh. D. Ikramov
133
Upper bounds for the second largest eigenvalue of symmetric nonnegative matrices
L. Yu. Kolotilina
138
To solving spectral problems for
$q$
-parameter polynomial matrices. 3
V. N. Kublanovskaya
164
To solving problems of algebra for two-parameter matrices. 10
V. N. Kublanovskaya
170
©
Steklov Math. Inst. of RAS
, 2025
