Dmytryshyn, Andrii; Johansson, Stefan; Kågström, Bo; Van Dooren, Paul Geometry of matrix polynomial spaces. (English) Zbl 1444.15007 Found. Comput. Math. 20, No. 3, 423-450 (2020). Reviewer: Tin Yau Tam (Reno) MSC: 15A21 15A22 47A07 PDFBibTeX XMLCite \textit{A. Dmytryshyn} et al., Found. Comput. Math. 20, No. 3, 423--450 (2020; Zbl 1444.15007) Full Text: DOI
Dmytryshyn, Andrii; Johansson, Stefan; Kågström, Bo Canonical structure transitions of system pencils. (English) Zbl 1373.93072 SIAM J. Matrix Anal. Appl. 38, No. 4, 1249-1267 (2017). MSC: 93B10 15A22 15A21 65F15 PDFBibTeX XMLCite \textit{A. Dmytryshyn} et al., SIAM J. Matrix Anal. Appl. 38, No. 4, 1249--1267 (2017; Zbl 1373.93072) Full Text: DOI
Dmytryshyn, Andrii; Futorny, Vyacheslav; Kågström, Bo; Klimenko, Lena; Sergeichuk, Vladimir V. Change of the congruence canonical form of 2-by-2 and 3-by-3 matrices under perturbations and bundles of matrices under congruence. (English) Zbl 1305.15032 Linear Algebra Appl. 469, 305-334 (2015). MSC: 15A21 15A63 PDFBibTeX XMLCite \textit{A. Dmytryshyn} et al., Linear Algebra Appl. 469, 305--334 (2015; Zbl 1305.15032) Full Text: DOI arXiv
Dmytryshyn, Andrii; Kågström, Bo Orbit closure hierarchies of skew-symmetric matrix pencils. (English) Zbl 1315.15012 SIAM J. Matrix Anal. Appl. 35, No. 4, 1429-1443 (2014). Reviewer: Andreas Arvanitoyeorgos (Patras) MSC: 15A22 15A21 15B57 PDFBibTeX XMLCite \textit{A. Dmytryshyn} and \textit{B. Kågström}, SIAM J. Matrix Anal. Appl. 35, No. 4, 1429--1443 (2014; Zbl 1315.15012) Full Text: DOI
Elmroth, Erik; Johansson, Stefan; Kågström, Bo Stratification of controllability and observability pairs-theory and use in applications. (English) Zbl 1190.93008 SIAM J. Matrix Anal. Appl. 31, No. 2, 203-226 (2009). MSC: 93B05 15A21 15A22 65F15 93B07 34H05 PDFBibTeX XMLCite \textit{E. Elmroth} et al., SIAM J. Matrix Anal. Appl. 31, No. 2, 203--226 (2009; Zbl 1190.93008) Full Text: DOI
Elmroth, Erik; Johansson, Pedher; Kågström, Bo Computation and presentation of graphs displaying closure hierarchies of Jordan and Kronecker structures. (English) Zbl 1055.65060 Numer. Linear Algebra Appl. 8, No. 6-7, 381-399 (2001). MSC: 65G30 65Y15 15A21 15A22 65F15 68R10 68W30 PDFBibTeX XMLCite \textit{E. Elmroth} et al., Numer. Linear Algebra Appl. 8, No. 6--7, 381--399 (2001; Zbl 1055.65060) Full Text: DOI
Elmroth, E.; Johansson, P.; Kågström, B. Bounds for the distance between nearby Jordan and Kronecker structures in a closure hierachy. (English) Zbl 1037.93016 J. Math. Sci., New York 114, No. 6, 1765-1779 (2003); and Zap. Nauchn. Semin. POMI 268, 24-48 (2000). Reviewer: Juan Ramon Torregrosa Sanchez (Valencia) MSC: 93B10 15A21 15A22 65F30 PDFBibTeX XMLCite \textit{E. Elmroth} et al., J. Math. Sci., New York 114, No. 6, 1765--1779 (2000; Zbl 1037.93016) Full Text: DOI