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JOURNALS // Zapiski Nauchnykh Seminarov POMI // Archive
2021, Volume 504
| General information | Contents |


Computational methods and algorithms. Part XXXIV


Nonnegative chainable matrices and Kolmogorov's condition
Yu. A. Al'pin, I. V. Bashkin 		5
Transformations of assembly number for 4-regular graphs
A. E. Guterman, E. M. Kreines, N. V. Ostroukhova 		21
On matrices with pairwise orthogonal rows and columns
Kh. D. Ikramov 		47
Special congruences of symmetric and Hermitian matrices and their invariants
Kh. D. Ikramov 		54
Symplectic eigenvalues and singular values of symmetric matrices
Kh. D. Ikramov, A. M. Nazari 		61
Further block generalizations of Nekrasov matrices
L. Yu. Kolotilina 		70
The lengths of matrix incidence algebras over small finite fields
N. A. Kolegov, O. V. Markova 		102
Construction of approximation functionals for minimal splines
E. K. Kulikov, A. A. Makarov 		136
Generating systems of the full matrix algebra that contain nonderogatory matrices
O. V. Markova, D. Yu. Novochadov 		157
Computation of Jordan vector semilattices of a multiparameter polynomial matrix
V. B. Khazanov 		172
Linear operators preserving combinatorial matrix sets
P. M. Shteyner 		181

© Steklov Math. Inst. of RAS, 2025