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Umeå universitet
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Personalbild Andrii Dmytryshyn

Andrii Dmytryshyn

Kontakt

E-post
andrii.dmytryshyn@umu.se
Telefon
090-786 61 24

Verksam vid

Anknytning
Forskarassistent vid Institutionen för datavetenskap
Plats
MIT-huset, Umeå universitet Umeå universitet, 901 87 Umeå
2019
Miniversal deformations of pairs of symmetric matrices under congruence
Linear Algebra and its Applications, Elsevier 2019, Vol. 568 : 84-105
Dmytryshyn, Andrii
2019
Geometry of Matrix Polynomial Spaces
Foundations of Computational Mathematics, Vol. 20, (3) : 423-450
Dmytryshyn, Andrii; Johansson, Stefan; Kågström, Bo; et al.
2018
Generic skew-symmetric matrix polynomials with fixed rank and fixed odd grade
Linear Algebra and its Applications, Elsevier 2018, Vol. 536 : 1-18
Dmytryshyn, Andrii; Dopico, Froilán
2017
Structure preserving stratification of skew-symmetric matrix polynomials
Linear Algebra and its Applications, Elsevier 2017, Vol. 532 : 266-286
Dmytryshyn, Andrii
2017
Generic complete eigenstructures for sets of matrix polynomials with bounded rank and degree
Linear Algebra and its Applications, Elsevier 2017, Vol. 535 : 213-230
Dmytryshyn, Andrii; Dopico, Froilán M.
2017
Generalization of Roth's solvability criteria to systems of matrix equations
Linear Algebra and its Applications, Vol. 527 : 294-302
Dmytryshyn, Andrii; Futorny, Vyacheslav; Klymchuk, Tetiana; et al.
2017
Canonical structure transitions of system pencils
SIAM Journal on Matrix Analysis and Applications, Society for Industrial and Applied Mathematics 2017, Vol. 38, (4) : 1249-1267
Dmytryshyn, Andrii; Johansson, Stefan; Kågström, Bo
2016
Miniversal deformations of pairs of skew-symmetric matrices under congruence
Linear Algebra and its Applications, Vol. 506 : 506-534
Dmytryshyn, Andrii
2016
Generic matrix polynomials with fixed rank and fixed degree
Report / UMINF, 16/19
Dmytryshyn, Andrii; Dopico, Froilán M.
2016
Classification of pairs of linear mappings between two vector spaces and between their quotient space and subspace
Linear Algebra and its Applications, Vol. 509 : 228-246
Dmytryshyn, Andrii; Fonseca, Carlos; Rybalkina, Tetiana
2015
Tools for Structured Matrix Computations: Stratifications and Coupled Sylvester Equations
Report / UMINF, 15.18
Dmytryshyn, Andrii
2015
Structure preserving stratification of skew-symmetric matrix polynomials
Report / UMINF, 15.16
Dmytryshyn, Andrii
2015
Change of the congruence canonical form of 2-by-2 and 3-by-3 matrices under perturbations and bundles of matrices under congruence
Linear Algebra and its Applications, Vol. 469 : 305-334
Dmytryshyn, Andrii; Futorny, Vyacheslav; Kågström, Bo; et al.
2015
Canonical structure transitions of system pencils
Report / UMINF, 15.15
Dmytryshyn, Andrii; Johansson, Stefan; Kågström, Bo
2015
Geometry of spaces for matrix polynomial Fiedler linearizations
Report / UMINF, 15.17
Dmytryshyn, Andrii; Johansson, Stefan; Kågström, Bo; et al.
2015
Coupled Sylvester-type Matrix Equations and Block Diagonalization
SIAM Journal on Matrix Analysis and Applications, Vol. 36, (2) : 580-593
Dmytryshyn, Andrii; Kågstrom, Bo
2014
Skew-symmetric matrix pencils: stratification theory and tools
UMINF, 14.05
Dmytryshyn, Andrii
2014
Miniversal deformations of matrices under *congruence and reducing transformations
Linear Algebra and its Applications, Elsevier 2014, Vol. 446, (April) : 388-420
Dmytryshyn, Andrii; Futorny, Vyacheslav; Sergeichuk, Vladimir
2014
Orbit closure hierarchies of skew-symmetric matrix pencils
SIAM Journal on Matrix Analysis and Applications, Vol. 35, (4) : 1429-1443
Dmytryshyn, Andrii; Kågstrom, Bo
2014
Orbit closure hierarchies of skew-symmetric matrix pencils
UMINF, 14.02
Dmytryshyn, Andrii; Kågström, Bo
2014
Symmetric matrix pencils: codimension counts and the solution of a pair of matrix equations
The Electronic Journal of Linear Algebra, Vol. 27 : 1-18
Dmytryshyn, Andrii; Kågström, Bo; Sergeichuk, Vladimir V.
2013
Codimension computations of congruence orbits of matrices, symmetric and skew-symmetric matrix pencils using Matlab
Report / UMINF, 13.18
Dmytryshyn, Andrii; Johansson, Stefan; Kågström, Bo
2013
Skew-symmetric matrix pencils: codimension counts and the solution of a pair of matrix equations
Linear Algebra and its Applications, Elsevier 2013, Vol. 438, (8) : 3375-3396
Dmytryshyn, Andrii; Kågström, Bo; Sergeichuk, Vladimir V.
2012
Miniversal deformations of matrices of bilinear forms
Linear Algebra and its Applications, Elsevier 2012, Vol. 436, (7) : 2670-2700
Dmytryshyn, Andrii; Futorny, Vyacheslav; Sergeichuk, Vladimir
2009
Problems of classifying associative or Lie algebras over a field of characteristic not 2 and finite metabelian groups are wild
The Electronic Journal of Linear Algebra, Vol. 18 : 516-529
Belitskii, Genrich; Dmytryshyn, Andrii; Lipyanski, Ruvim; et al.
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