Ahmadnasab, Morad; Psarrakos, Panayiotis J. Eigenvalue characterization of some structured matrix pencils under linear perturbation. (English) Zbl 07808051 Electron. J. Linear Algebra 40, 274-298 (2024). MSC: 15A18 15A22 47A55 93C73 PDFBibTeX XMLCite \textit{M. Ahmadnasab} and \textit{P. J. Psarrakos}, Electron. J. Linear Algebra 40, 274--298 (2024; Zbl 07808051) Full Text: DOI
Be, Aaisha; Shekhar, Vaibhav; Mishra, Debasisha Numerical range for weighted Moore-Penrose inverse of tensor. (English) Zbl 07808046 Electron. J. Linear Algebra 40, 140-171 (2024). MSC: 15A69 15A09 15A18 47A12 PDFBibTeX XMLCite \textit{A. Be} et al., Electron. J. Linear Algebra 40, 140--171 (2024; Zbl 07808046) Full Text: DOI arXiv
Jeong, Miran; Kim, Sejong Weak log-majorization and inequalities of power means. (English) Zbl 07807939 Electron. J. Linear Algebra 39, 607-620 (2023). MSC: 15A45 26E60 47A64 PDFBibTeX XMLCite \textit{M. Jeong} and \textit{S. Kim}, Electron. J. Linear Algebra 39, 607--620 (2023; Zbl 07807939) Full Text: DOI arXiv
Simon, Richárd; Virosztek, Dániel Preservers of the \(p\)-power and the Wasserstein means on \(2 \times 2\) matrices. (English) Zbl 1521.15024 Electron. J. Linear Algebra 39, 395-408 (2023). MSC: 15A86 15A24 47B49 47A64 PDFBibTeX XMLCite \textit{R. Simon} and \textit{D. Virosztek}, Electron. J. Linear Algebra 39, 395--408 (2023; Zbl 1521.15024) Full Text: DOI arXiv Link
Johnston, Nathaniel; Pipes, Logan Bounding real tensor optimizations via the numerical range. (English) Zbl 1515.15024 Electron. J. Linear Algebra 39, 286-306 (2023). MSC: 15A60 47A12 15A69 90C22 PDFBibTeX XMLCite \textit{N. Johnston} and \textit{L. Pipes}, Electron. J. Linear Algebra 39, 286--306 (2023; Zbl 1515.15024) Full Text: arXiv Link
Morillas, Patricia Mariela Expressions and characterizations for the Moore-Penrose inverse of operators and matrices. (English) Zbl 07692352 Electron. J. Linear Algebra 39, 214-241 (2023). MSC: 47A05 47B02 15A09 15B05 05C50 PDFBibTeX XMLCite \textit{P. M. Morillas}, Electron. J. Linear Algebra 39, 214--241 (2023; Zbl 07692352) Full Text: arXiv Link
He, Qixiao; Spitkovsky, Ilya; Suleiman, Ibrahim On low-dimensional partial isometries. (English) Zbl 1515.15023 Electron. J. Linear Algebra 39, 124-135 (2023). MSC: 15A60 47A12 PDFBibTeX XMLCite \textit{Q. He} et al., Electron. J. Linear Algebra 39, 124--135 (2023; Zbl 1515.15023) Full Text: arXiv Link
Mondal, Swastika Saha; Ojha, Sarita; Birbonshi, Riddhick Flat portions on the boundary of the numerical range of a \(5 \times 5\) companion matrix. (English) Zbl 1515.15025 Electron. J. Linear Algebra 39, 17-32 (2023). MSC: 15A60 47A12 PDFBibTeX XMLCite \textit{S. S. Mondal} et al., Electron. J. Linear Algebra 39, 17--32 (2023; Zbl 1515.15025) Full Text: Link
Gumus, Ibrahim; Moradi, Hamid; Sababheh, Mohammad On positive and positive partial transpose matrices. (English) Zbl 1505.15015 Electron. J. Linear Algebra 38, 792-802 (2022). MSC: 15A45 47A63 47A30 47A64 47B15 PDFBibTeX XMLCite \textit{I. Gumus} et al., Electron. J. Linear Algebra 38, 792--802 (2022; Zbl 1505.15015) Full Text: Link
Stover, Joseph P. Bounds via spectral radius-preserving row sum expansions. (English) Zbl 1498.15023 Electron. J. Linear Algebra 38, 367-376 (2022). MSC: 15A42 15A60 47A12 PDFBibTeX XMLCite \textit{J. P. Stover}, Electron. J. Linear Algebra 38, 367--376 (2022; Zbl 1498.15023) Full Text: arXiv Link
Kumar, V. B. Kiran; Rajan, Rahul; Sarathkumar, N. S. Banach spaces of GLT sequences and function spaces. (English) Zbl 1495.15036 Electron. J. Linear Algebra 38, 295-316 (2022). MSC: 15A60 15B05 15A42 15A18 47A58 65F08 PDFBibTeX XMLCite \textit{V. B. K. Kumar} et al., Electron. J. Linear Algebra 38, 295--316 (2022; Zbl 1495.15036) Full Text: arXiv Link
László, Lajos A norm inequality for three matrices. (English) Zbl 1487.15029 Electron. J. Linear Algebra 38, 221-226 (2022). MSC: 15A60 15A45 47A30 PDFBibTeX XMLCite \textit{L. László}, Electron. J. Linear Algebra 38, 221--226 (2022; Zbl 1487.15029) Full Text: Link
Panwar, Veer Singh; Reddy, A. Satyanarayana Positivity of Hadamard powers of a few band matrices. (English) Zbl 1490.15049 Electron. J. Linear Algebra 38, 85-90 (2022). Reviewer: Shuchao Li (Wuhan) MSC: 15B48 47B36 05C50 PDFBibTeX XMLCite \textit{V. S. Panwar} and \textit{A. S. Reddy}, Electron. J. Linear Algebra 38, 85--90 (2022; Zbl 1490.15049) Full Text: arXiv Link
Katsouleas, Georgios; Panagakou, Vasiliki; Psarrakos, Panayiotis A note on the boundary of the Birkhoff-James \(\epsilon\)-orthogonality sets. (English) Zbl 1483.15012 Electron. J. Linear Algebra 38, 32-48 (2022). Reviewer: Cătălin Badea (Villeneuve d’Ascq) MSC: 15A60 47A12 68W20 68W25 PDFBibTeX XMLCite \textit{G. Katsouleas} et al., Electron. J. Linear Algebra 38, 32--48 (2022; Zbl 1483.15012) Full Text: Link
Spitkovsky, Ilya; Suleiman, Ibrahim; Wegert, Elias The Gau-Wang-Wu conjecture on partial isometries holds in the 5-by-5 case. (English) Zbl 07473282 Electron. J. Linear Algebra 38, 107-113 (2022). Reviewer: Tin Yau Tam (Reno) MSC: 47A12 15A60 PDFBibTeX XMLCite \textit{I. Spitkovsky} et al., Electron. J. Linear Algebra 38, 107--113 (2022; Zbl 07473282) Full Text: arXiv Link
Groenewald, Gilbert J.; van Rensburg, Dawie B. Janse; Ran, André C. M.; Theron, Frieda; van Straaten, Madelein Polar decompositions of quaternion matrices in indefinite inner product spaces. (English) Zbl 1482.15026 Electron. J. Linear Algebra 37, 659-670 (2021). MSC: 15B33 47B50 15A23 PDFBibTeX XMLCite \textit{G. J. Groenewald} et al., Electron. J. Linear Algebra 37, 659--670 (2021; Zbl 1482.15026) Full Text: arXiv Link
Pressman, Irwin S. Generalized commutators and the Moore-Penrose inverse. (English) Zbl 07404611 Electron. J. Linear Algebra 37, 598-612 (2021). MSC: 47B47 47A05 PDFBibTeX XMLCite \textit{I. S. Pressman}, Electron. J. Linear Algebra 37, 598--612 (2021; Zbl 07404611) Full Text: Link
Cox, Mackenzie; Grewe, Weston; Hochrein, Grace; Patton, Linda; Spitkovsky, Ilya Nonparallel flat portions on the boundaries of numerical ranges of 4-by-4 nilpotent matrices. (English) Zbl 1475.15025 Electron. J. Linear Algebra 37, 504-523 (2021). MSC: 15A60 47A12 PDFBibTeX XMLCite \textit{M. Cox} et al., Electron. J. Linear Algebra 37, 504--523 (2021; Zbl 1475.15025) Full Text: arXiv Link
Janse van Rensburg, Dawie B.; Ran, André C. M.; Theron, Frieda; van Straaten, Madelein \(m\)th roots of \(H\)-selfadjoint matrices over the quaternions. (English) Zbl 1471.15025 Electron. J. Linear Algebra 37, 492-503 (2021). Reviewer: Yansheng Wu (Nanjing) MSC: 15B33 15A16 47B50 PDFBibTeX XMLCite \textit{D. B. Janse van Rensburg} et al., Electron. J. Linear Algebra 37, 492--503 (2021; Zbl 1471.15025) Full Text: arXiv Link
Ferrari, Paola; Furci, Isabella; Serra-Capizzano, Stefano Multilevel symmetrized Toeplitz structures and spectral distribution results for the related matrix sequences. (English) Zbl 1465.15036 Electron. J. Linear Algebra 37, 370-386 (2021). MSC: 15B05 15A18 47B06 65F15 PDFBibTeX XMLCite \textit{P. Ferrari} et al., Electron. J. Linear Algebra 37, 370--386 (2021; Zbl 1465.15036) Full Text: arXiv Link
Kostadinov, Marko Injectivity of linear combinations in \(\mathcal{B}(\mathcal{H})\). (English) Zbl 07351304 Electron. J. Linear Algebra 37, 359-369 (2021). MSC: 47A05 47A99 PDFBibTeX XMLCite \textit{M. Kostadinov}, Electron. J. Linear Algebra 37, 359--369 (2021; Zbl 07351304) Full Text: Link
Słowik, Roksana; Ahmed, Driss Aiat Hadj \(M\)-commuting maps on triangular and strictly triangular infinite matrices. (English) Zbl 07351298 Electron. J. Linear Algebra 37, 247-255 (2021). MSC: 47B47 15A27 15A04 PDFBibTeX XMLCite \textit{R. Słowik} and \textit{D. A. H. Ahmed}, Electron. J. Linear Algebra 37, 247--255 (2021; Zbl 07351298) Full Text: Link
Polettini, Matteo; Böttcher, Albrecht Skew compressions of positive definite operators and matrices. (English) Zbl 1446.15006 Electron. J. Linear Algebra 36, 400-410 (2020). MSC: 15A18 05C31 15A15 15B57 47A75 PDFBibTeX XMLCite \textit{M. Polettini} and \textit{A. Böttcher}, Electron. J. Linear Algebra 36, 400--410 (2020; Zbl 1446.15006) Full Text: Link
Johnson, Ch. R.; Peña, J. M.; Szulc, T. Rank of linear and quadratic combinations of matrices. (English) Zbl 1454.15002 Electron. J. Linear Algebra 36, 169-176 (2020). Reviewer: Janko Marovt (Maribor) MSC: 15A03 15A15 15A10 47A55 PDFBibTeX XMLCite \textit{Ch. R. Johnson} et al., Electron. J. Linear Algebra 36, 169--176 (2020; Zbl 1454.15002) Full Text: Link
Cape, Joshua A note on the orthogonal Procrustes problem and norm-dependent optimality. (English) Zbl 1440.15022 Electron. J. Linear Algebra 36, 158-168 (2020). MSC: 15A83 15A60 15B10 47A30 PDFBibTeX XMLCite \textit{J. Cape}, Electron. J. Linear Algebra 36, 158--168 (2020; Zbl 1440.15022) Full Text: Link
Bhunia, Pintu; Paul, Kallol; Nayak, Raj Kumar On inequalities for \(A\)-numerical radius of operators. (English) Zbl 1505.47006 Electron. J. Linear Algebra 36, 143-157 (2020). Reviewer: Agnes Radl (Fulda) MSC: 47A12 47A08 47A30 47A63 PDFBibTeX XMLCite \textit{P. Bhunia} et al., Electron. J. Linear Algebra 36, 143--157 (2020; Zbl 1505.47006) Full Text: arXiv Link
Ptak, Marek; Simik, Katarzyna; Wicher, Anna \(C\)-normal operators. (English) Zbl 1505.47026 Electron. J. Linear Algebra 36, 67-79 (2020). MSC: 47B15 47B33 47B35 PDFBibTeX XMLCite \textit{M. Ptak} et al., Electron. J. Linear Algebra 36, 67--79 (2020; Zbl 1505.47026) Full Text: arXiv Link
Chien, Mao-Ting; Nakazato, Hiroshi Symmetry of cyclic weighted shift matrices with pivot-reversible weights. (English) Zbl 1432.15010 Electron. J. Linear Algebra 36, 47-54 (2020). MSC: 15A21 15A60 47B37 PDFBibTeX XMLCite \textit{M.-T. Chien} and \textit{H. Nakazato}, Electron. J. Linear Algebra 36, 47--54 (2020; Zbl 1432.15010) Full Text: Link
Tan, Fuping; Che, Huimin Inequalities for sector matrices and positive linear maps. (English) Zbl 1466.15019 Electron. J. Linear Algebra 35, 418-423 (2019). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 15A45 15A04 15A60 47A30 PDFBibTeX XMLCite \textit{F. Tan} and \textit{H. Che}, Electron. J. Linear Algebra 35, 418--423 (2019; Zbl 1466.15019) Full Text: Link
Sheikhhosseini, Alemeh; Khosravi, Maryam On a refined operator version of Young’s inequality and its reverse. (English) Zbl 1448.47027 Electron. J. Linear Algebra 35, 441-448 (2019). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 47A63 47A64 15A42 PDFBibTeX XMLCite \textit{A. Sheikhhosseini} and \textit{M. Khosravi}, Electron. J. Linear Algebra 35, 441--448 (2019; Zbl 1448.47027) Full Text: arXiv Link
Nagy, Gergő; Szokol, Patricia Maps preserving norms of generalized weighted quasi-arithmetic means of invertible positive operators. (English) Zbl 07099264 Electron. J. Linear Algebra 35, 357-364 (2019). MSC: 47A64 47B49 PDFBibTeX XMLCite \textit{G. Nagy} and \textit{P. Szokol}, Electron. J. Linear Algebra 35, 357--364 (2019; Zbl 07099264) Full Text: DOI
Das, Biswajit; Bora, Shreemayee Vector spaces of generalized linearizations for rectangular matrix polynomials. (English) Zbl 1414.15017 Electron. J. Linear Algebra 35, 116-155 (2019). Reviewer: Kanakadurga Sivakumar (Chennai) MSC: 15A22 15A18 15A03 15A23 15A54 47J10 65F15 65F35 93B18 PDFBibTeX XMLCite \textit{B. Das} and \textit{S. Bora}, Electron. J. Linear Algebra 35, 116--155 (2019; Zbl 1414.15017) Full Text: DOI arXiv
Dinh, Trung Hoa; Tam, Tin-Yau; Vo, Bich Khue T. In-sphere property and reverse inequalities for matrix means. (English) Zbl 1417.15022 Electron. J. Linear Algebra 35, 35-41 (2019). Reviewer: Mojtaba Bakherad (Zahedan) MSC: 15A45 15A60 46L05 47A64 PDFBibTeX XMLCite \textit{T. H. Dinh} et al., Electron. J. Linear Algebra 35, 35--41 (2019; Zbl 1417.15022) Full Text: DOI
Zhang, Yun Inequalities between \(|A| + |B| \) and \(|A^{*}| + |B^{*}|^{*}\). (English) Zbl 1405.15030 Electron. J. Linear Algebra 34, 561-565 (2018). MSC: 15A60 47A30 15A42 15A18 PDFBibTeX XMLCite \textit{Y. Zhang}, Electron. J. Linear Algebra 34, 561--565 (2018; Zbl 1405.15030)
Bebiano, Natalia; da Providencia, Joao; da Providencia, J. P. Rényi’s quantum thermodynamical inequalities. (English) Zbl 06949940 Electron. J. Linear Algebra 33, 63-73 (2018). MSC: 47A12 62F30 54C10 PDFBibTeX XMLCite \textit{N. Bebiano} et al., Electron. J. Linear Algebra 33, 63--73 (2018; Zbl 06949940)
Ljubenović, Martin Z.; Djordjevic, Dragan S. Bounded linear operators that preserve the weak supermajorization on \(\ell^1(I)^+\). (English) Zbl 06949376 Electron. J. Linear Algebra 34, 407-427 (2018). MSC: 47B60 15A86 15B51 47B38 PDFBibTeX XMLCite \textit{M. Z. Ljubenović} and \textit{D. S. Djordjevic}, Electron. J. Linear Algebra 34, 407--427 (2018; Zbl 06949376) Full Text: DOI
Eskandari, Rasoul; Fang, Xiaochun; Moslehian, Mohammad Sal; Xu, Qingxiang Positive solutions of the system of operator equations \(A_1X=C_1\), \(XA_2=C_2\), \(A_3XA^*_3=C_3\), and \(A_4XA^*_4=C_4\) in Hilbert \(C^*\)-modules. (English) Zbl 1442.39027 Electron. J. Linear Algebra 34, 381-388 (2018). MSC: 39B42 15A24 46L08 47A05 47A62 PDFBibTeX XMLCite \textit{R. Eskandari} et al., Electron. J. Linear Algebra 34, 381--388 (2018; Zbl 1442.39027)
Zhang, Teng A note on the matrix arithmetic-geometric mean inequality. (English) Zbl 1417.15026 Electron. J. Linear Algebra 34, 283-287 (2018). Reviewer: Mojtaba Bakherad (Zahedan) MSC: 15A45 15A42 15A60 47A30 PDFBibTeX XMLCite \textit{T. Zhang}, Electron. J. Linear Algebra 34, 283--287 (2018; Zbl 1417.15026) Full Text: arXiv
Alrimawi, Fadi; Hirzallah, Omar; Kittaneh, Fuad Norm inequalities related to Clarkson inequalities. (English) Zbl 1390.15064 Electron. J. Linear Algebra 34, 163-169 (2018). MSC: 15A45 15A60 47A30 47B10 46E30 15A18 PDFBibTeX XMLCite \textit{F. Alrimawi} et al., Electron. J. Linear Algebra 34, 163--169 (2018; Zbl 1390.15064)
Moon, Sunyo; Park, Seungkook Upper bound for the number of distinct eigenvalues of a perturbed matrix. (English) Zbl 1392.15021 Electron. J. Linear Algebra 34, 115-124 (2018). Reviewer: Edward L. Pekarev (Odessa) MSC: 15A18 65F15 47A55 PDFBibTeX XMLCite \textit{S. Moon} and \textit{S. Park}, Electron. J. Linear Algebra 34, 115--124 (2018; Zbl 1392.15021)
Filipiak, Katarzyna; Klein, Daniel; Vojtková, Erika The properties of partial trace and block trace operators of partitioned matrices. (English) Zbl 1390.15091 Electron. J. Linear Algebra 33, 3-15 (2018). MSC: 15A99 47B99 PDFBibTeX XMLCite \textit{K. Filipiak} et al., Electron. J. Linear Algebra 33, 3--15 (2018; Zbl 1390.15091)
Mehl, Christian; Ran, Andre C. M. Low rank perturbations of quaternion matrices. (English) Zbl 1386.15059 Electron. J. Linear Algebra 32, 514-530 (2017). MSC: 15B33 15A18 15B57 47S10 47A55 PDFBibTeX XMLCite \textit{C. Mehl} and \textit{A. C. M. Ran}, Electron. J. Linear Algebra 32, 514--530 (2017; Zbl 1386.15059) Full Text: DOI Link
Vosough, Mehdi; Moslehian, Mohammad Sal Solutions of the system of operator equations \(BXA=B=AXB\) via the \(*\)-order. (English) Zbl 1375.15028 Electron. J. Linear Algebra 32, 172-183 (2017). MSC: 15A24 15B48 47A62 46L05 PDFBibTeX XMLCite \textit{M. Vosough} and \textit{M. S. Moslehian}, Electron. J. Linear Algebra 32, 172--183 (2017; Zbl 1375.15028) Full Text: DOI arXiv
Duffner, M. Antónia; Fernandes, Rosário Semilinear preservers of the immanants in the set of the doubly stochastic matrices. (English) Zbl 1375.15038 Electron. J. Linear Algebra 32, 76-97 (2017). MSC: 15A69 15A60 15A42 15A45 15A04 47B49 PDFBibTeX XMLCite \textit{M. A. Duffner} and \textit{R. Fernandes}, Electron. J. Linear Algebra 32, 76--97 (2017; Zbl 1375.15038) Full Text: DOI
Hai, Guojun; Cvetković-Ilić, Dragana S. Generalized left and right Weyl spectra of upper triangular operator matrices. (English) Zbl 06812630 Electron. J. Linear Algebra 32, 41-50 (2017). MSC: 47A10 47A53 47A55 PDFBibTeX XMLCite \textit{G. Hai} and \textit{D. S. Cvetković-Ilić}, Electron. J. Linear Algebra 32, 41--50 (2017; Zbl 06812630) Full Text: DOI
Gau, Hwa-Long; Wu, Pei Yuan Zero-dilation index of \(S_n\)-matrix and companion matrix. (English) Zbl 1365.15030 Electron. J. Linear Algebra 31, 666-678 (2016). Reviewer: Jorma K. Merikoski (Tampere) MSC: 15A60 47A20 PDFBibTeX XMLCite \textit{H.-L. Gau} and \textit{P. Y. Wu}, Electron. J. Linear Algebra 31, 666--678 (2016; Zbl 1365.15030) Full Text: DOI
Deng, Chun Yuan On the group invertibility of operators. (English) Zbl 1354.15002 Electron. J. Linear Algebra 31, 492-510 (2016). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 15A09 47A05 PDFBibTeX XMLCite \textit{C. Y. Deng}, Electron. J. Linear Algebra 31, 492--510 (2016; Zbl 1354.15002) Full Text: DOI
An, Guangyu; Li, Jiankui Characterizations of linear mappings through zero products or zero Jordan products. (English) Zbl 1342.16036 Electron. J. Linear Algebra 31, 408-424 (2016). MSC: 16W25 16W10 15A86 47B47 47B49 PDFBibTeX XMLCite \textit{G. An} and \textit{J. Li}, Electron. J. Linear Algebra 31, 408--424 (2016; Zbl 1342.16036) Full Text: DOI
Han, Yazhou; Shao, Jingjing Notes on two recent results of Audenaert. (English) Zbl 1347.47012 Electron. J. Linear Algebra 31, 147-155 (2016). MSC: 47A63 46L52 PDFBibTeX XMLCite \textit{Y. Han} and \textit{J. Shao}, Electron. J. Linear Algebra 31, 147--155 (2016; Zbl 1347.47012) Full Text: DOI
Horvath, László; Khan, Khuram A.; Pečarić, Josip Cyclic refinements of the different versions of operator Jensen’s inequality. (English) Zbl 1348.47016 Electron. J. Linear Algebra 31, 125-133 (2016). MSC: 47A63 26A51 PDFBibTeX XMLCite \textit{L. Horvath} et al., Electron. J. Linear Algebra 31, 125--133 (2016; Zbl 1348.47016) Full Text: DOI
Anjidani, Ehsan; Changalvaiy, Mohammad Reza Reverse Jensen-Mercer type operator inequalities. (English) Zbl 1347.47011 Electron. J. Linear Algebra 31, 87-99 (2016). MSC: 47A63 47A64 15A60 PDFBibTeX XMLCite \textit{E. Anjidani} and \textit{M. R. Changalvaiy}, Electron. J. Linear Algebra 31, 87--99 (2016; Zbl 1347.47011) Full Text: DOI Link
Undrakh, Batzorig; Nakazato, Hiroshi; Vandanjav, Adiyasuren; Chien, Mao-Ting The numerical radius of a weighted shift operator. (English) Zbl 1330.47014 Electron. J. Linear Algebra 30, 944-963 (2015). MSC: 47A12 15A60 PDFBibTeX XMLCite \textit{B. Undrakh} et al., Electron. J. Linear Algebra 30, 944--963 (2015; Zbl 1330.47014) Full Text: DOI Link
Bračic, Janko; Boudi, Nadia On the invertibility of length two elementary operators. (English) Zbl 1343.47043 Electron. J. Linear Algebra 30, 916-933 (2015). Reviewer: Farida Lombarkia (Batna) MSC: 47B47 15A03 47B49 PDFBibTeX XMLCite \textit{J. Bračic} and \textit{N. Boudi}, Electron. J. Linear Algebra 30, 916--933 (2015; Zbl 1343.47043) Full Text: DOI arXiv
Batzke, Leonhard Sign characteristics of regular Hermitian matrix pencils under generic rank-1 and rank-2 perturbations. (English) Zbl 1328.15018 Electron. J. Linear Algebra 30, 760-794 (2015). MSC: 15A18 15A21 15A22 15B57 47A55 PDFBibTeX XMLCite \textit{L. Batzke}, Electron. J. Linear Algebra 30, 760--794 (2015; Zbl 1328.15018) Full Text: DOI Link Link
Çolakoğlu, Nurhan; Lancaster, Peter Spectral properties of finite-dimensional waveguide systems. (English) Zbl 1331.47020 Electron. J. Linear Algebra 30, 670-692 (2015). MSC: 47A56 15A22 78M10 PDFBibTeX XMLCite \textit{N. Çolakoğlu} and \textit{P. Lancaster}, Electron. J. Linear Algebra 30, 670--692 (2015; Zbl 1331.47020) Full Text: DOI
Zhang, Pingping Remarks on an operator Wielandt inequality. (English) Zbl 1323.47016 Electron. J. Linear Algebra 30, 577-584 (2015). MSC: 47A63 47A30 PDFBibTeX XMLCite \textit{P. Zhang}, Electron. J. Linear Algebra 30, 577--584 (2015; Zbl 1323.47016) Full Text: DOI arXiv
Cvetković-Ilić, Dragana S. Invertible and regular completions of operator matrices. (English) Zbl 1323.47003 Electron. J. Linear Algebra 30, 530-549 (2015). MSC: 47A10 47A53 47A55 PDFBibTeX XMLCite \textit{D. S. Cvetković-Ilić}, Electron. J. Linear Algebra 30, 530--549 (2015; Zbl 1323.47003) Full Text: DOI
Pastuszak, Grzegorz; Jamiołkowski, Andrzej Common reducing unitary subspaces and decoherence in quantum systems. (English) Zbl 1325.81038 Electron. J. Linear Algebra 30, 253-270 (2015). MSC: 81P45 15A18 47A15 81P15 PDFBibTeX XMLCite \textit{G. Pastuszak} and \textit{A. Jamiołkowski}, Electron. J. Linear Algebra 30, 253--270 (2015; Zbl 1325.81038) Full Text: DOI
Dajić, Alegra Common solutions of linear equations in a ring, with applications. (English) Zbl 1326.15021 Electron. J. Linear Algebra 30, 66-79 (2015). MSC: 15A24 16B99 15A09 47A62 PDFBibTeX XMLCite \textit{A. Dajić}, Electron. J. Linear Algebra 30, 66--79 (2015; Zbl 1326.15021)
Kluza, Pawel; Niezgoda, Marek Inequalities for relative operator entropies. (English) Zbl 1332.47008 Electron. J. Linear Algebra 27, 851-864 (2014). MSC: 47A64 94A17 PDFBibTeX XMLCite \textit{P. Kluza} and \textit{M. Niezgoda}, Electron. J. Linear Algebra 27, 851--864 (2014; Zbl 1332.47008) Full Text: DOI
Nakazato, Hiroshi; Bebiano, Natália; da Providência, João A note on the convexity of the indefinite joint numerical range. (English) Zbl 1339.47009 Electron. J. Linear Algebra 27, 705-715 (2014). Reviewer: Andrzej Sołtysiak (Poznań) MSC: 47A12 46C20 15A60 PDFBibTeX XMLCite \textit{H. Nakazato} et al., Electron. J. Linear Algebra 27, 705--715 (2014; Zbl 1339.47009) Full Text: DOI
Singh, Mandeep Inequalities involving eigenvalues for difference of operator means. (English) Zbl 1334.47025 Electron. J. Linear Algebra 27, 557-568 (2014). Reviewer: Mohammad Sal Moslehian (Karlstad) MSC: 47A64 47A63 PDFBibTeX XMLCite \textit{M. Singh}, Electron. J. Linear Algebra 27, 557--568 (2014; Zbl 1334.47025) Full Text: DOI
Kumar, G. Krishna; Lui, S. H. On some properties of the pseudospectral radius. (English) Zbl 1327.15035 Electron. J. Linear Algebra 27, 342-353 (2014). MSC: 15A27 15A42 15A60 47A10 47A11 65F15 65F35 PDFBibTeX XMLCite \textit{G. K. Kumar} and \textit{S. H. Lui}, Electron. J. Linear Algebra 27, 342--353 (2014; Zbl 1327.15035) Full Text: DOI Link
Calderón Martín, Antonio J. Graded triangular algebras. (English) Zbl 1297.16043 Electron. J. Linear Algebra 27, 317-331 (2014). MSC: 16W50 16S50 47L35 15A78 PDFBibTeX XMLCite \textit{A. J. Calderón Martín}, Electron. J. Linear Algebra 27, 317--331 (2014; Zbl 1297.16043)
Mosic, Dijana; Djordjevic, Dragan S.; Kantun-Montiel, Gabriel Image-kernel \((p,q)\)-inverses in rings. (English) Zbl 1293.15001 Electron. J. Linear Algebra 27, 272-283 (2014). MSC: 15A09 16U60 16S10 46L05 47A05 PDFBibTeX XMLCite \textit{D. Mosic} et al., Electron. J. Linear Algebra 27, 272--283 (2014; Zbl 1293.15001) Full Text: DOI Link
Pekarev, Edward A note on characterization of the shorted operation. (English) Zbl 1334.47023 Electron. J. Linear Algebra 27, 155-161 (2014). Reviewer: Jaspal Singh Aujla (Jalandhar) MSC: 47A64 PDFBibTeX XMLCite \textit{E. Pekarev}, Electron. J. Linear Algebra 27, 155--161 (2014; Zbl 1334.47023) Full Text: DOI Link Link
Böttcher, Albrecht; Halwass, Martin A Newton method for canonical Wiener-Hopf and spectral factorization of matrix polynomials. (English) Zbl 1303.47026 Electron. J. Linear Algebra 26, 873-897 (2013). Reviewer: Luis Filipe Pinheiro de Castro (Aveiro) MSC: 47A68 15A23 15B05 47B35 65H10 PDFBibTeX XMLCite \textit{A. Böttcher} and \textit{M. Halwass}, Electron. J. Linear Algebra 26, 873--897 (2013; Zbl 1303.47026)
Qi, Xiaofei Characterizing Lie derivations on triangular algebras by local actions. (English) Zbl 1282.47052 Electron. J. Linear Algebra 26, 816-835 (2013). Reviewer: Ajda Fošner (Koper) MSC: 47B47 47L35 16W25 PDFBibTeX XMLCite \textit{X. Qi}, Electron. J. Linear Algebra 26, 816--835 (2013; Zbl 1282.47052) Full Text: DOI Link Link
Kian, Mohsen; Moslehian, Mohammad Sal Refinements of the operator Jensen-Mercer inequality. (English) Zbl 1301.47024 Electron. J. Linear Algebra 26, 742-753 (2013). Reviewer: Jorma K. Merikoski (Tampere) MSC: 47A63 15A45 26A51 47A64 PDFBibTeX XMLCite \textit{M. Kian} and \textit{M. S. Moslehian}, Electron. J. Linear Algebra 26, 742--753 (2013; Zbl 1301.47024) Full Text: DOI Link
Niezgoda, Marek Choi-Davis-Jensen’s inequality and generalized inverses of linear operators. (English) Zbl 1283.15064 Electron. J. Linear Algebra 26, 406-416 (2013). MSC: 15A45 15A09 15B48 47A63 47B65 PDFBibTeX XMLCite \textit{M. Niezgoda}, Electron. J. Linear Algebra 26, 406--416 (2013; Zbl 1283.15064) Full Text: DOI
Dragomir, Sever S.; Fujii, Jun Ichi; Seo, Yuki Bounds for an operator concave function. (English) Zbl 1298.47024 Electron. J. Linear Algebra 26, 192-200 (2013). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 47A63 26A51 PDFBibTeX XMLCite \textit{S. S. Dragomir} et al., Electron. J. Linear Algebra 26, 192--200 (2013; Zbl 1298.47024) Full Text: DOI Link
Bebiano, N.; da Providência, J. Numerical ranges of quadratic operators in spaces with an indefinite metric. (English) Zbl 1283.15068 Electron. J. Linear Algebra 26, 141-157 (2013). MSC: 15A60 47A12 47B35 15A63 46C20 PDFBibTeX XMLCite \textit{N. Bebiano} and \textit{J. da Providência}, Electron. J. Linear Algebra 26, 141--157 (2013; Zbl 1283.15068) Full Text: DOI
Tyaglov, Mikhail Sign patterns of the Schwarz matrices and generalized Hurwitz polynomials. (English) Zbl 1283.15049 Electron. J. Linear Algebra 24, 215-236 (2012). MSC: 15A29 26C10 15A18 47B36 PDFBibTeX XMLCite \textit{M. Tyaglov}, Electron. J. Linear Algebra 24, 215--236 (2012; Zbl 1283.15049) Full Text: DOI arXiv Link
Radojević, Ivana M.; Djordjević, Dragan S. Quasihyponormal and strongly hyponormal matrices in inner product spaces. (English) Zbl 1283.15089 Electron. J. Linear Algebra 23, 1023-1039 (2012). MSC: 15B10 47B20 47B50 15A63 PDFBibTeX XMLCite \textit{I. M. Radojević} and \textit{D. S. Djordjević}, Electron. J. Linear Algebra 23, 1023--1039 (2012; Zbl 1283.15089)
Huang, Qianglian; Moslehian, Mohammad Sal Relationship between the Hyers-Ulam stability and the Moore-Penrose inverse. (English) Zbl 1331.47019 Electron. J. Linear Algebra 23, 891-905 (2012). Reviewer: Mohammad Bagher Ghaemi (Tehran) MSC: 47A55 46A32 39B82 47A05 47A30 PDFBibTeX XMLCite \textit{Q. Huang} and \textit{M. S. Moslehian}, Electron. J. Linear Algebra 23, 891--905 (2012; Zbl 1331.47019) Full Text: DOI arXiv
Bahrami, F.; Eshkaftaki, A. Bayati Topological properties of the set of preservers of majorization. (English) Zbl 1253.15041 Electron. J. Linear Algebra 23, 655-663 (2012). MSC: 15A86 47B37 47B60 PDFBibTeX XMLCite \textit{F. Bahrami} and \textit{A. B. Eshkaftaki}, Electron. J. Linear Algebra 23, 655--663 (2012; Zbl 1253.15041) Full Text: DOI Link
Du, Fapeng; Xue, Yifeng Perturbation analysis of \(A_{T,S}^{(2)}\) on Banach spaces. (English) Zbl 1251.47002 Electron. J. Linear Algebra 23, 586-598 (2012). MSC: 47A05 15A09 47A55 PDFBibTeX XMLCite \textit{F. Du} and \textit{Y. Xue}, Electron. J. Linear Algebra 23, 586--598 (2012; Zbl 1251.47002) Full Text: DOI arXiv Link
Vandanjav, Adiyasuren; Undrakh, Batzorig On the numerical range of the weighted shift operators with geometric and harmonic weights. (English) Zbl 1253.15031 Electron. J. Linear Algebra 23, 578-585 (2012). MSC: 15A60 47A12 15A15 PDFBibTeX XMLCite \textit{A. Vandanjav} and \textit{B. Undrakh}, Electron. J. Linear Algebra 23, 578--585 (2012; Zbl 1253.15031) Full Text: DOI Link
Chen, Weixing On EP elements, normal elements and partial isometries in rings with involution. (English) Zbl 1266.16044 Electron. J. Linear Algebra 23, 553-561 (2012). Reviewer: Wei Feng (Beijing) MSC: 16W10 15A09 46L05 47A05 16U60 PDFBibTeX XMLCite \textit{W. Chen}, Electron. J. Linear Algebra 23, 553--561 (2012; Zbl 1266.16044) Full Text: Link
Mecheri, Salah Bishop’s property, SVEP and Dunford property. (English) Zbl 1268.47007 Electron. J. Linear Algebra 23, 523-529 (2012). Reviewer: Farida Lombarkia (Batna) MSC: 47A11 47B20 47B10 47B47 PDFBibTeX XMLCite \textit{S. Mecheri}, Electron. J. Linear Algebra 23, 523--529 (2012; Zbl 1268.47007) Full Text: DOI Link Link
Song, Guang Jing; Wang, Qing Wen Positive and re-positive solutions to some systems of adjointable operator equations over Hilbert \(C^\ast\)-modules. (English) Zbl 1264.47022 Electron. J. Linear Algebra 22, 1070-1084 (2011). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 47A62 46L08 47B15 47B65 15A09 15A24 PDFBibTeX XMLCite \textit{G. J. Song} and \textit{Q. W. Wang}, Electron. J. Linear Algebra 22, 1070--1084 (2011; Zbl 1264.47022) Full Text: DOI EMIS
Mosic, Dijana; Djordjevic, Dragan S. Weighted-EP elements in \(C^{*}\)-algebras. (English) Zbl 1255.46027 Electron. J. Linear Algebra 22, 912-930 (2011). MSC: 46L05 47A05 PDFBibTeX XMLCite \textit{D. Mosic} and \textit{D. S. Djordjevic}, Electron. J. Linear Algebra 22, 912--930 (2011; Zbl 1255.46027) Full Text: EMIS
Molnár, Lajos Maps preserving general means of positive operators. (English) Zbl 1276.47049 Electron. J. Linear Algebra 22, 864-874 (2011). Reviewer: Xiaofei Qi (Taiyuan) MSC: 47B49 47A64 PDFBibTeX XMLCite \textit{L. Molnár}, Electron. J. Linear Algebra 22, 864--874 (2011; Zbl 1276.47049) Full Text: EMIS
Fang, Li Linear maps preserving the idempotency of Jordan products of operators. (English) Zbl 1267.47060 Electron. J. Linear Algebra 22, 767-779 (2011). Reviewer: Ajda Fošner (Koper) MSC: 47B49 PDFBibTeX XMLCite \textit{L. Fang}, Electron. J. Linear Algebra 22, 767--779 (2011; Zbl 1267.47060) Full Text: DOI EMIS
Li, Yanbo; Xiao, Zhankui Additivity of maps on generalized matrix algebras. (English) Zbl 1254.16034 Electron. J. Linear Algebra 22, 743-757 (2011). MSC: 16W20 16S50 15A78 47B47 47L35 PDFBibTeX XMLCite \textit{Y. Li} and \textit{Z. Xiao}, Electron. J. Linear Algebra 22, 743--757 (2011; Zbl 1254.16034) Full Text: EMIS
Xiong, Zhiping; Qin, Yingying Invariance properties of an operator product involving generalized inverses. (English) Zbl 1229.47003 Electron. J. Linear Algebra 22, 694-703 (2011). Reviewer: K. C. Sivakumar (Chennai) MSC: 47A05 15A09 15A24 PDFBibTeX XMLCite \textit{Z. Xiong} and \textit{Y. Qin}, Electron. J. Linear Algebra 22, 694--703 (2011; Zbl 1229.47003) Full Text: EuDML EMIS
Schep, Anton R. Bounds on the spectral radius of Hadamard products of positive operators on \(l_{p}\)-spaces. (English) Zbl 1222.15026 Electron. J. Linear Algebra 22, 443-447 (2011). MSC: 15A45 15B48 47B65 PDFBibTeX XMLCite \textit{A. R. Schep}, Electron. J. Linear Algebra 22, 443--447 (2011; Zbl 1222.15026) Full Text: DOI EuDML EMIS
Nakazato, Hiroshi; Bebiano, Natalia; da Providência, João The numerical range of linear operators on the 2-dimensional Krein space. (English) Zbl 1239.47005 Electron. J. Linear Algebra 22, 430-442 (2011). Reviewer: V. Lokesha (Bangalore) MSC: 47A12 46C20 PDFBibTeX XMLCite \textit{H. Nakazato} et al., Electron. J. Linear Algebra 22, 430--442 (2011; Zbl 1239.47005) Full Text: DOI EMIS
Böttcher, Albrecht The algebraic Riccati equation with Toeplitz matrices as coefficients. (English) Zbl 1222.47138 Electron. J. Linear Algebra 22, 348-362 (2011). MSC: 47N70 15A24 15B05 46L89 47B35 93C15 PDFBibTeX XMLCite \textit{A. Böttcher}, Electron. J. Linear Algebra 22, 348--362 (2011; Zbl 1222.47138) Full Text: EuDML EMIS
Moslehian, Mohammad Sal; Nakamoto, Ritsuo; Seo, Yuki A Diaz-Metcalf type inequality for positive linear maps and its applications. (English) Zbl 1258.47016 Electron. J. Linear Algebra 22, 179-190 (2011). MSC: 47A30 46L08 26D15 46L05 47A63 PDFBibTeX XMLCite \textit{M. S. Moslehian} et al., Electron. J. Linear Algebra 22, 179--190 (2011; Zbl 1258.47016) Full Text: DOI arXiv EMIS
Dragomir, Sever S. Vector and operator trapezoidal type inequalities for continuous functions of selfadjoint operators in Hilbert spaces. (English) Zbl 1225.47021 Electron. J. Linear Algebra 22, 161-178 (2011). MSC: 47A63 47A99 PDFBibTeX XMLCite \textit{S. S. Dragomir}, Electron. J. Linear Algebra 22, 161--178 (2011; Zbl 1225.47021) Full Text: DOI EuDML EMIS
Mosić, Dijana; Djordjević, Dragan S. Reverse order law for the Moore-Penrose inverse in \(C^{*}\)-algebras. (English) Zbl 1208.46051 Electron. J. Linear Algebra 22, 92-111 (2011). MSC: 46L05 47A05 15A09 PDFBibTeX XMLCite \textit{D. Mosić} and \textit{D. S. Djordjević}, Electron. J. Linear Algebra 22, 92--111 (2011; Zbl 1208.46051) Full Text: EuDML EMIS
Kuzma, Bojan; Li, Chi-Kwong; Rodman, Leiba Tracial numerical ranges and linear dependence of operators. (English) Zbl 1226.47007 Electron. J. Linear Algebra 22, 22-52 (2011). Reviewer: Javier Merí (Granada) MSC: 47A12 47A99 PDFBibTeX XMLCite \textit{B. Kuzma} et al., Electron. J. Linear Algebra 22, 22--52 (2011; Zbl 1226.47007) Full Text: EuDML EMIS
Bebiano, Natalia; Da Providencia, Joao; Da Providencia, Joao P. Classes of non-Hermitian operators with real eigenvalues. (English) Zbl 1237.47044 Electron. J. Linear Algebra 21, 98-109 (2010). Reviewer: Aleksey Kostenko (Donetsk) MSC: 47B50 47A63 81Q10 PDFBibTeX XMLCite \textit{N. Bebiano} et al., Electron. J. Linear Algebra 21, 98--109 (2010; Zbl 1237.47044) Full Text: DOI arXiv EMIS
Deng, Chunyuan; Wei, Yimin Perturbation of the generalized Drazin inverse. (English) Zbl 1221.47001 Electron. J. Linear Algebra 21, 85-97 (2010). Reviewer: Mohammed Hichem Mortad (Oran) MSC: 47A05 15A09 PDFBibTeX XMLCite \textit{C. Deng} and \textit{Y. Wei}, Electron. J. Linear Algebra 21, 85--97 (2010; Zbl 1221.47001) Full Text: DOI EuDML EMIS
An, Runling; Hou, Jinchuan Characterizations of Jordan derivations on triangular rings: additive maps Jordan derivable at idempotents. (English) Zbl 1218.16033 Electron. J. Linear Algebra 21, 28-42 (2010). Reviewer: Wei Feng (Beijing) MSC: 16W25 47B47 47B49 47L35 PDFBibTeX XMLCite \textit{R. An} and \textit{J. Hou}, Electron. J. Linear Algebra 21, 28--42 (2010; Zbl 1218.16033) Full Text: DOI EuDML EMIS Link
Poloni, Federico G. Constructing matrix geometric means. (English) Zbl 1207.65045 Electron. J. Linear Algebra 20, 419-435 (2010). MSC: 65F30 15B48 47A64 20B35 PDFBibTeX XMLCite \textit{F. G. Poloni}, Electron. J. Linear Algebra 20, 419--435 (2010; Zbl 1207.65045) Full Text: DOI arXiv EuDML EMIS
Molnar, Lajos; Nagy, Gergo Thompson isometries on positive operators: the 2-dimensional case. (English) Zbl 1195.46017 Electron. J. Linear Algebra 20, 79-89 (2010). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 46B28 47B49 PDFBibTeX XMLCite \textit{L. Molnar} and \textit{G. Nagy}, Electron. J. Linear Algebra 20, 79--89 (2010; Zbl 1195.46017) Full Text: DOI EuDML EMIS
Mosić, Dijana; Djordjević, Dragan S. Partial isometries and EP elements in rings with involution. (English) Zbl 1192.16039 Electron. J. Linear Algebra 18, 761-772 (2009). MSC: 16W10 15A09 46L05 47A05 16U60 PDFBibTeX XMLCite \textit{D. Mosić} and \textit{D. S. Djordjević}, Electron. J. Linear Algebra 18, 761--772 (2009; Zbl 1192.16039) Full Text: EuDML EMIS
Bračič, Janko Algebraic reflexivity for semigroups of operators. (English) Zbl 1187.47031 Electron. J. Linear Algebra 18, 745-760 (2009). MSC: 47D03 15A04 PDFBibTeX XMLCite \textit{J. Bračič}, Electron. J. Linear Algebra 18, 745--760 (2009; Zbl 1187.47031) Full Text: EuDML EMIS