Amparan, Agurtzane; Baragaña, Itziar; Marcaida, Silvia; Roca, Alicia Row or column completion of polynomial matrices of given degree. (English) Zbl 07805917 SIAM J. Matrix Anal. Appl. 45, No. 1, 478-503 (2024). MSC: 15A18 15A21 15A83 PDFBibTeX XMLCite \textit{A. Amparan} et al., SIAM J. Matrix Anal. Appl. 45, No. 1, 478--503 (2024; Zbl 07805917) Full Text: DOI arXiv
Baragaña, Itziar; Roca, Alicia On the change of the Weyr characteristics of matrix pencils after rank-one perturbations. (English) Zbl 1494.15014 SIAM J. Matrix Anal. Appl. 43, No. 2, 981-1002 (2022). Reviewer: Ioannis Dassios (Dublin) MSC: 15A22 47A55 15A18 15A21 PDFBibTeX XMLCite \textit{I. Baragaña} and \textit{A. Roca}, SIAM J. Matrix Anal. Appl. 43, No. 2, 981--1002 (2022; Zbl 1494.15014) Full Text: DOI
Baragaña, Itziar; Roca, Alicia Rank-one perturbations of matrix pencils. (English) Zbl 1458.15026 Linear Algebra Appl. 606, 170-191 (2020). Reviewer: Kui Ji (Shijiazhuang) MSC: 15A21 15A22 47A55 PDFBibTeX XMLCite \textit{I. Baragaña} and \textit{A. Roca}, Linear Algebra Appl. 606, 170--191 (2020; Zbl 1458.15026) Full Text: DOI arXiv
Baragaña, Itziar; Dodig, Marija; Roca, Alicia; Stošić, Marko Bounded rank perturbations of regular pencils over arbitrary fields. (English) Zbl 1443.15007 Linear Algebra Appl. 601, 180-188 (2020). Reviewer: John D. Dixon (Ottawa) MSC: 15A22 15A21 15A83 47A55 PDFBibTeX XMLCite \textit{I. Baragaña} et al., Linear Algebra Appl. 601, 180--188 (2020; Zbl 1443.15007) Full Text: DOI
Baragaña, Itziar; Roca, Alicia Fixed rank perturbations of regular matrix pencils. (English) Zbl 1446.15007 Linear Algebra Appl. 589, 201-221 (2020). Reviewer: Sen Zhu (Changchun) MSC: 15A22 47A55 15A18 PDFBibTeX XMLCite \textit{I. Baragaña} and \textit{A. Roca}, Linear Algebra Appl. 589, 201--221 (2020; Zbl 1446.15007) Full Text: DOI arXiv
Baragaña, Itziar The number of distinct eigenvalues of a regular pencil and of a square matrix after rank perturbation. (English) Zbl 07191033 Linear Algebra Appl. 588, 101-121 (2020). MSC: 15A18 15A22 47A55 PDFBibTeX XMLCite \textit{I. Baragaña}, Linear Algebra Appl. 588, 101--121 (2020; Zbl 07191033) Full Text: DOI
Baragaña, Itziar; Roca, Alicia Weierstrass structure and eigenvalue placement of regular matrix pencils under low rank perturbations. (English) Zbl 1416.15012 SIAM J. Matrix Anal. Appl. 40, No. 2, 440-453 (2019). Reviewer: Mihail Voicu (Iaşi) MSC: 15A22 47A55 15A18 PDFBibTeX XMLCite \textit{I. Baragaña} and \textit{A. Roca}, SIAM J. Matrix Anal. Appl. 40, No. 2, 440--453 (2019; Zbl 1416.15012) Full Text: DOI
Baragaña, Itziar; Beitia, M. Asunción; de Hoyos, Inmaculada Structured perturbation of the Brunovsky form: a particular case. (English) Zbl 1155.93033 Linear Algebra Appl. 430, No. 5-6, 1613-1625 (2009). MSC: 93C73 15A21 15A60 93B10 PDFBibTeX XMLCite \textit{I. Baragaña} et al., Linear Algebra Appl. 430, No. 5--6, 1613--1625 (2009; Zbl 1155.93033) Full Text: DOI
Baragaña, I.; Zaballa, I. Block similarity invariants of restrictions to \((A,B)\)-invariant subspaces. (English) Zbl 0824.15012 Linear Algebra Appl. 220, 31-62 (1995). Reviewer: L.Rodman (Williamsburg) MSC: 15A22 15A21 PDFBibTeX XMLCite \textit{I. Baragaña} and \textit{I. Zaballa}, Linear Algebra Appl. 220, 31--62 (1995; Zbl 0824.15012) Full Text: DOI
Baragaña, Itziar Interlacing inequalities for regular pencils. (English) Zbl 0678.15012 Linear Algebra Appl. 121, 521-535 (1989). Reviewer: H.-J.Kowalsky MSC: 15A21 15B33 15A54 PDFBibTeX XMLCite \textit{I. Baragaña}, Linear Algebra Appl. 121, 521--535 (1989; Zbl 0678.15012) Full Text: DOI