Unitary similarity of algebras generated by pairs of orthoprojectors Yu. A. Al’pinKh. D. Ikramov OriginalPaper Pages: 4763 - 4768
The matrix equation AX-YB=C and related problems Yu. A. Al’pinS. N. Il’in OriginalPaper Pages: 4769 - 4773
The region of values of the system {ƒ(z1), …, ƒ(zn)} in the class of typically real functions. II E. G. Goluzina OriginalPaper Pages: 4774 - 4779
On the codimension of the variety of symmetric matrices with multiple eigenvalues M. DanaKh. D. Ikramov OriginalPaper Pages: 4780 - 4786
On the principal minors of a matrix with a multiple eigenvalue Kh. D. Ikramov OriginalPaper Pages: 4787 - 4788
On the 2-norm distance from a normal matrix to the set of matrices with a multiple zero eigenvalue Kh. D. IkramovA. M. Nazari OriginalPaper Pages: 4789 - 4793
Bounds for the singular values of a matrix involving its sparsity pattern L. Yu. Kolotilina OriginalPaper Pages: 4794 - 4800
Bounds and inequalities for the Perron root of a nonnegative matrix. III. Bounds dependent on simple paths and circuits L. Yu. Kolotilina OriginalPaper Pages: 4801 - 4814
To solving multiparameter problems of algebra. 6. Spectral characteristics of polynomial matrices V. N. Kublanovskaya OriginalPaper Pages: 4835 - 4843
To solving multiparameter problems of algebra. 7. The PG-q factorization method and its applications V. N. Kublanovskaya OriginalPaper Pages: 4844 - 4851
Methods for solving some parametric problems of algebra V. B. Khazanov OriginalPaper Pages: 4852 - 4861
The resultant approach to computing vector characteristics of multiparameter polynomial matrices V. B. Khazanov OriginalPaper Pages: 4862 - 4878
Existence of nonnegative solutions of singular boundary-value problems for second-order ordinary differential equations M. N. Yakovlev OriginalPaper Pages: 4879 - 4884
