## Operators and Matrices

 Short Title: Oper. Matrices Publisher: ELEMENT, Zagreb ISSN: 1846-3886; 1848-9974/e Online: http://oam.ele-math.com/ Comments: Indexed cover-to-cover
 Documents Indexed: 908 Publications (since 2007) References Indexed: 401 Publications with 7,631 References.
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### Authors

 16 Hadwin, Donald W. 10 Spitkovsky, Ilya Matvey 7 Duggal, Bhagwati Prashad 7 Gau, Hwa-Long 7 Ko, Eungil 7 Li, Chi-Kwong 6 Chen, Alatancang 6 Kuzma, Bojan 6 Wimmer, Harald K. 6 Wu, Peiyuan 5 Casazza, Peter George 5 Dolinar, Gregor 5 Li, Weihua 5 Mehrmann, Volker 5 Moradi, Hamid Reza 5 Partington, Jonathan R. 5 Ran, André C. M. 5 Shen, Junhao 5 Shi, Jian 4 Braha, Naim Latif 4 Chen, Huanyin 4 Drnovšek, Roman 4 Fritzsche, Bernd 4 Gesztesy, Fritz 4 Ghahramani, Hoger 4 Hou, Jinchuan 4 Hwang, In Sung 4 Jung, Sungeun 4 Kirstein, Bernd 4 Kubrusly, Carlos S. 4 Larson, David Royal 4 Lindner, Marko 4 Mashreghi, Javad 4 Mecheri, Salah 4 Pivovarchik, Vyacheslav N. 4 Radjavi, Heydar 4 Sakhnovich, Alexander L. 4 Sasane, Amol J. 4 Seo, Yuki 4 Sheibani Abdolyousefi, Marjan 4 Sid Ahmed, Ould Ahmed Mahmoud 4 Veselić, Krešimir 4 Wang, Kuo-Zhong 4 Yuan, Jiangtao 4 Zhu, Sen 3 Ao, Jijun 3 Bercovici, Hari 3 Binding, Paul Anthony 3 Böttcher, Albrecht 3 Chalendar, Isabelle 3 Currie, Sonja 3 de Snoo, Hendrik S. V. 3 del Río Castillo, Rafael René 3 Deng, Chunyuan 3 Djordjević, Slaviša V. 3 Dragomir, Sever Silvestru 3 Ehrhardt, Torsten 3 El Abidine Abdelali, Zine 3 Fatehi, Mahsa 3 Feng, Lihua 3 Gil’, Michael Iosif 3 Goodson, Geoffrey R. 3 Harte, Robin E. 3 Ionaşcu, Ileana 3 Ji, Guoxing 3 Jin, Xiaoqing 3 Kaashoek, Marinus Adriaan 3 Kandić, Marko 3 Karlovich, Yuri I. 3 Kim, An-Hyun 3 Lee, Eun-Young 3 Lee, Jieun 3 Li, Dongwei 3 Liang, Yuxia 3 Lin, Minghua 3 Lins, Brian 3 Liu, Wenjing 3 Lu, Fangyan 3 Lu, Yufeng 3 Marovt, Janko 3 Martin, Robert T. W. 3 Marzouki, Rabi 3 Mehl, Christian 3 Mićić, Jadranka 3 Moslehian, Mohammad Sal 3 Narayan, Sivaram K. 3 Omri, Slim 3 Ong, Sing-Cheong 3 Paul, Kallol 3 Pečarić, Josip 3 Peralta, Antonio M. 3 Philipp, Friedrich 3 Picard, Rainer H. 3 Pop, Florin 3 Post, Olaf 3 Qi, Xiaofei 3 Radl, Agnes 3 Roitberg, Inna Ya. 3 Sababheh, Mohamad Suboh 3 Sain, Debmalya ...and 1,164 more Authors
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### Fields

 590 Operator theory (47-XX) 248 Linear and multilinear algebra; matrix theory (15-XX) 226 Functional analysis (46-XX) 74 Ordinary differential equations (34-XX) 55 Functions of a complex variable (30-XX) 40 Harmonic analysis on Euclidean spaces (42-XX) 37 Numerical analysis (65-XX) 35 Associative rings and algebras (16-XX) 34 Partial differential equations (35-XX) 33 Combinatorics (05-XX) 29 Difference and functional equations (39-XX) 24 Quantum theory (81-XX) 21 Real functions (26-XX) 21 Systems theory; control (93-XX) 16 Probability theory and stochastic processes (60-XX) 15 Integral equations (45-XX) 13 Abstract harmonic analysis (43-XX) 11 Number theory (11-XX) 11 Dynamical systems and ergodic theory (37-XX) 10 Nonassociative rings and algebras (17-XX) 10 Approximations and expansions (41-XX) 9 Several complex variables and analytic spaces (32-XX) 9 Special functions (33-XX) 9 Sequences, series, summability (40-XX) 9 Global analysis, analysis on manifolds (58-XX) 8 Order, lattices, ordered algebraic structures (06-XX) 8 Integral transforms, operational calculus (44-XX) 6 Group theory and generalizations (20-XX) 6 Measure and integration (28-XX) 5 Differential geometry (53-XX) 5 Operations research, mathematical programming (90-XX) 5 Information and communication theory, circuits (94-XX) 4 Optics, electromagnetic theory (78-XX) 4 Statistical mechanics, structure of matter (82-XX) 3 General and overarching topics; collections (00-XX) 3 $$K$$-theory (19-XX) 3 Calculus of variations and optimal control; optimization (49-XX) 3 Geometry (51-XX) 3 General topology (54-XX) 3 Mechanics of deformable solids (74-XX) 2 Field theory and polynomials (12-XX) 2 Commutative algebra (13-XX) 2 Algebraic geometry (14-XX) 2 Category theory; homological algebra (18-XX) 2 Convex and discrete geometry (52-XX) 2 Statistics (62-XX) 1 General algebraic systems (08-XX) 1 Topological groups, Lie groups (22-XX) 1 Potential theory (31-XX) 1 Algebraic topology (55-XX) 1 Computer science (68-XX) 1 Fluid mechanics (76-XX) 1 Geophysics (86-XX) 1 Biology and other natural sciences (92-XX)

### Citations contained in zbMATH Open

538 Publications have been cited 2,516 times in 2,087 Documents Cited by Year
Algebraic properties of truncated Toeplitz operators. Zbl 1144.47026
Sarason, Donald
2007
Self-adjoint extensions of restrictions. Zbl 1175.47025
Posilicano, Andrea
2008
Singular value inequalities for matrices with numerical ranges in a sector. Zbl 1315.15016
Drury, Stephen; Lin, Minghua
2014
Some inequalities for sector matrices. Zbl 1356.15007
Lin, Minghua
2016
Weaving frames. Zbl 1358.42025
Bemrose, Travis; Casazza, Peter G.; Gröchenig, Karlheinz; Lammers, Mark C.; Lynch, Richard G.
2016
The Riemannian mean and matrix inequalities related to the Ando-Hiai inequality and chaotic order. Zbl 1477.15018
Yamazaki, Takeaki
2012
A new Banach space defined by Euler totient matrix operator. Zbl 1439.46014
İlkhan, Merve; Kara, Emrah Evren
2019
Weighted conditional expectation operators. Zbl 1263.47041
Herron, John David
2011
Algebras of truncated Toeplitz operators. Zbl 1234.47057
Sedlock, N. A.
2011
Proof of Böttcher and Wenzel’s conjecture. Zbl 1173.15013
Vong, Seak-Weng; Jin, Xiao-Qing
2008
The Hausdorff measure of noncompactness of matrix operators on some $$BK$$ spaces. Zbl 1227.47032
Mursaleen, M.; Noman, Abdullah K.
2011
Weighted Lambert type operators on $$L^{p}$$ spaces. Zbl 1294.47053
2013
The Kato decomposition of quasi-Fredholm relations. Zbl 1210.47009
Labrousse, J.-Ph.; Sandovici, A.; de Snoo, H. S. V.; Winkler, H.
2010
Inequalities related to $$2\times 2$$ block PPT matrices. Zbl 1345.15004
Lin, Minghua
2015
Truncated Toeplitz operators on finite dimensional spaces. Zbl 1169.47018
Cima, Joseph A.; Ross, William T.; Wogen, Warren R.
2008
The possible shapes of numerical ranges. Zbl 1270.15014
Helton, J. William; Spitkovsky, I. M.
2012
Maps preserving peripheral spectrum of Jordan products of operators. Zbl 1258.47054
Cui, Jianlian; Li, Chi-Kwong
2012
Higher-rank numerical ranges of unitary and normal matrices. Zbl 1133.15021
Choi, Man-Duen; Holbrook, John A.; Kribs, David W.; Życzkowski, Karol
2007
Jordan forms of real and complex matrices under rank one perturbations. Zbl 1281.15012
Mehl, Christian; Mehrmann, Volker; Ran, André C. M.; Rodman, Leiba
2013
Davis–Wielandt shells of operators. Zbl 1176.47010
Li, Chi-Kwong; Poon, Yiu-Tung; Sze, Nung-Sing
2008
Interpolating between the arithmetic-geometric mean and Cauchy-Schwarz matrix norm inequalities. Zbl 1317.15020
2015
Spectral analysis of certain spherically homogeneous graphs. Zbl 1483.47053
Breuer, Jonathan; Keller, Matthias
2013
Indefinite Sturm–Liouville operators $$(\operatorname{sgn} x)(-\frac{d^2}{dx^2}+q(x))$$ with finite-zone potentials. Zbl 1146.47032
Karabash, I. M.; Malamud, M. M.
2007
On the distance to singularity via low rank perturbations. Zbl 1342.15006
Mehl, Christian; Mehrmann, Volker; Wojtylak, Michał
2015
Unitary equivalence to a complex symmetric matrix: geometric criteria. Zbl 1194.15011
Balayan, Levon; Garcia, Stephan Ramon
2010
Inverse problems for Sturm-Liouville operators on graphs with a cycle. Zbl 1196.34017
Yurko, Vjacheslav Anatoljevich
2008
On splittings of matrices and nonnegative generalized inverses. Zbl 1247.15003
Mishra, Debasisha; Sivakumar, K. C.
2012
Commutation relations for truncated Toeplitz operators. Zbl 1302.47041
Chalendar, Isabelle; Timotin, Dan
2014
A note on approximate liftings. Zbl 1181.46042
2009
Preservers for norms of Lie product. Zbl 1181.15031
Li, Chi-Kwong; Poon, Edward; Sze, Nung-Sing
2009
The structure of $$m$$-isometric weighted shift operators. Zbl 1350.47026
Abdullah, Belal; Le, Trieu
2016
Pre-images of boundary points of the numerical range. Zbl 1309.15038
Leake, Timothy; Lins, Brian; Spitkovsky, Ilya M.
2014
Bands in pervasive pre-Riesz spaces. Zbl 1157.46005
van Gaans, O.; Kalauch, A.
2008
On the spectra and pseudospectra of a class of non-self-adjoint random matrices and operators. Zbl 1303.47054
Chandler-Wilde, Simon N.; Chonchaiya, Ratchanikorn; Lindner, Marko
2013
Jordan derivations and antiderivations of generalized matrix algebras. Zbl 1310.15044
Li, Yanbo; Van Wyk, Leon; Wei, Feng
2013
On symmetry of Birkhoff-James orthogonality of linear operators on finite-dimensional real Banach spaces. Zbl 1465.47014
Sain, Debmalya; Ghosh, Puja; Paul, Kallol
2017
Strong commutativity preserving maps on triangular rings. Zbl 1266.47107
Qi, Xiaofei; Hou, Jinchuan
2012
On derivations and Jordan derivations through zero products. Zbl 1325.47008
Ghahramani, Hoger
2014
Sums of Nevanlinna functions and differential equations on star-shaped graphs. Zbl 1190.30022
Pivovarchik, Vyacheslav; Woracek, Harald
2009
Eigenvalue problem meets Sierpiński triangle: computing the spectrum of a non-self-adjoint random operator. Zbl 1301.47050
Chandler-Wilde, Simon N.; Chonchaiya, Ratchanikorn; Lindner, Marko
2011
Log and harmonically log-convex functions related to matrix norms. Zbl 1350.47007
2016
Banach algebras of operator sequences. Zbl 1262.47021
Seidel, M.; Silbermann, B.
2012
The Paulsen problem in operator theory. Zbl 1269.42020
Cahill, Jameson; Casazza, Peter
2013
Weyl theory and explicit solutions of direct and inverse problems for Dirac system with a rectangular matrix potential. Zbl 1281.34030
Fritzsche, B.; Kirstein, B.; Roitberg, I. Ya.; Sakhnovich, A. L.
2013
Spectral perturbation bounds for selfadjoint operators. I. Zbl 1198.47022
Veselić, Krešimir
2008
Unitary equivalence to a complex symmetric matrix: a modulus criterion. Zbl 1221.15056
Garcia, Stephan Ramon; Poore, Daniel E.; Wyse, Madeline K.
2011
Weyl-Titchmarsh theory and Borg-Marchenko-type uniqueness results for CMV operators with matrix-valued Verblunsky coefficients. Zbl 1142.34014
Clark, Stephen; Gesztesy, Fritz; Zinchenko, Maxim
2007
Commutators, pinchings, and spectral variation. Zbl 1147.15019
2008
Sharpening some classical numerical radius inequalities. Zbl 1487.47013
Omidvar, Mohsen Erfanian; Moradi, Hamid Reza; Shebrawi, Khalid
2018
Frames and operators in Hilbert $$C^{\ast}$$-modules. Zbl 1343.42042
Najati, Abbas; Saem, M. Mohammadi; Găvruţa, P.
2016
Linear differential operator with an involution as a generator of an operator group. Zbl 1403.35158
Baskakov, Anatoly G.; Krishtal, Ilya A.; Uskova, Natalia B.
2018
Initial value problems and Weyl-Titchmarsh theory for Schrödinger operators with operator-valued potentials. Zbl 1283.34023
Gesztesy, Fritz; Weikard, R.; Zinchenko, Maxim
2013
Numerical ranges and compressions of $$S_{n}$$-matrices. Zbl 1278.15026
Gau, Hwa-Long; Wu, Pei Yuan
2013
A note on 2-local representations of $$C^{\ast }$$-algebras. Zbl 1321.46060
Peralta, Antonio M.
2015
A survey on the Böttcher-Wenzel conjecture and related problems. Zbl 1383.15001
Cheng, Che-Man; Jin, Xiao-Qing; Vong, Seak-Weng
2015
Fredholmness and index of operators in the Wiener algebra are independent of the underlying space. Zbl 1153.47008
Lindner, Marko
2008
Hypercyclicity of weighted translations on Orlicz spaces. Zbl 1462.47004
Azimi, M. R.; Akbarbaglu, I.
2018
On the denseness of minimum attaining operators. Zbl 06982765
Kulkarni, S. H.; Ramesh, G.
2018
Images of multilinear polynomials of degree up to four on upper triangular matrices. Zbl 1432.16023
Fagundes, Pedro S.; de Mello, Thiago C.
2019
The general solution to a system of adjointable operator equations over Hilbert $$C^{\ast }$$-modules. Zbl 1227.47007
Wang, Qing-Wen; Dong, Chang-Zhou
2011
Toeplitz operators on poly-analytic spaces via time-scale analysis. Zbl 1329.47028
Hutník, Ondrej; Hutníková, Mária
2014
More on the minimum skew-rank of graphs. Zbl 1314.05119
Qu, Hui; Yu, Guihai; Feng, Lihua
2015
Projections and the Kadison-Singer problem. Zbl 1132.46037
Casazza, Pete; Edidin, Dan; Kalra, Deepti; Paulsen, Vern I.
2007
Pseudospectrum of an element of a Banach algebra. Zbl 1456.47002
Krishnan, Arundhathi; Kulkarni, S. H.
2017
Determinant computations for some classes of Toeplitz-Hankel matrices. Zbl 1198.47042
Basor, Estelle L.; Ehrhardt, Torsten
2009
Hyperinvariant, characteristic and marked subspaces. Zbl 1181.15009
Astuti, Pudji; Wimmer, Harald K.
2009
Maps preserving the local spectrum of some matrix products. Zbl 1487.47063
Abdelali, Zine El Abidine; Achchi, Abdelali; Marzouki, Rabi
2018
Norm convergence of sectorial operators on varying Hilbert spaces. Zbl 1305.47015
Mugnolo, Delio; Nittka, Robin; Post, Olaf
2013
Model spaces and Toeplitz kernels in reflexive Hardy space. Zbl 1372.47036
Câmara, M. C.; Malheiro, M. T.; Partington, J. R.
2016
The similarity degree of approximately divisible $$C^*$$-algebras. Zbl 1282.46046
Li, Weihua
2013
A realization theorem for generalized Nevanlinna families. Zbl 1255.46011
Behrndt, J.; Derkach, V. A.; Hassi, S.; de Snoo, H. S. V.
2011
The similarity problem for indefinite Sturm-Liouville operators with periodic coefficients. Zbl 1314.47058
Kostenko, Aleksey
2011
Commuting traces and Lie isomorphisms on generalized matrix algebras. Zbl 1306.15024
Xiao, Zhankui; Wei, Feng
2014
Boundary data maps and Krein’s resolvent formula for Sturm-Liouville operators on a finite interval. Zbl 1311.34037
Clark, Stephen; Gesztesy, Fritz; Nichols, Roger; Zinchenko, Maxim
2014
On a class of boundary control problems. Zbl 1286.93091
Picard, Rainer; Trostorff, Sascha; Waurick, Marcus
2014
Commuting traces on invertible and singular operators. Zbl 1314.47005
Franca, Willian
2015
A general tool for determining the asymptotic spectral distribution of Hermitian matrix-sequences. Zbl 1329.47019
Garoni, Carlo; Serra-Capizzano, Stefano; Vassalos, Paris
2015
Linear maps preserving the minimum modulus. Zbl 1200.47048
Bourhim, Abdellatif; Burgos, María
2010
Location of the spectrum of operator matrices which are associated to second order equations. Zbl 1128.47003
Jacob, Birgit; Trunk, Carsten
2007
One-dimensional Schrödinger operators with $$\delta'$$-interactions on a set of Lebesgue measure zero. Zbl 1301.47034
Brasche, Johannes F.; Nizhnik, Leonid
2013
Indefinite Hamiltonian systems whose Titchmarsh-Weyl coefficients have no finite generalized poles of non-positive type. Zbl 1282.34089
Langer, Matthias; Woracek, Harald
2013
A polynomial identity and its application to inverse spectral problems in Stieltjes strings. Zbl 1282.34038
Law, C. K.; Pivovarchik, V.; Wang, W. C.
2013
On the spectral singularities and spectrality of the Hill operator. Zbl 1346.34056
Veliev, O. A.
2016
Dynamics of tuples of matrices in Jordan form. Zbl 1284.47006
Costakis, George; Parissis, Ioannis
2013
The numerical radii of weighted shift matrices and operators. Zbl 1266.15033
Chien, Mao-Ting; Sheu, Hue-An
2013
Bishop’s property $$(\beta )$$ for paranormal operators. Zbl 1198.47039
Uchiyama, Atsushi; Tanahashi, Kotaro
2009
Boundary integral methods for wedge diffraction problems: the angle $$2\pi /n$$, Dirichlet and Neumann conditions. Zbl 1216.35013
Ehrhardt, T.; Nolasco, A. P.; Speck, F.-O.
2011
The spectrum and fine spectrum of generalized Rhaly-Cesàro matrices on $$c_0\ \mathrm{and}\ c$$. Zbl 07093954
Yildirim, Mustafa; Mursaleen, Mohammad; Doğan, Çağla
2018
Convex-cyclic matrices, convex-polynomial interpolation and invariant convex sets. Zbl 06803888
Feldman, Nathan S.; Mcguire, Paul
2017
The flow approach for waves in networks. Zbl 1253.47022
Klöss, Bernd
2012
A review of a Riesz basis property for indefinite Sturm-Liouville problems. Zbl 1244.34042
Binding, Paul; Fleige, Andreas
2011
Diagram vectors and tight frame scaling in finite dimensions. Zbl 1435.42026
Copenhaver, Martin S.; Kim, Yeon Hyang; Logan, Cortney; Mayfield, Kyanne; Narayan, Sivaram K.; Petro, Matthew J.; Sheperd, Jonathan
2014
A Riemannn surface approach for diffraction from rational wedges. Zbl 1306.35012
Ehrhardt, T.; Nolasco, A. P.; Speck, F.-O.
2014
Bishop’s property $$(\beta)$$, hypercyclicity and hyperinvariant subspaces. Zbl 1326.47005
Mecheri, Salah
2014
$$C$$-symmetric operators and reflexivity. Zbl 1393.47005
Kliś-Garlicka, Kamila; Ptak, Marek
2015
Solutions of a constrained Hermitian matrix-valued function optimization problem with applications. Zbl 1357.65079
Tian, Yongge
2016
A note on $$k$$-paranormal operators. Zbl 1197.47037
Kubrusly, C. S.; Duggal, B. P.
2010
Marchenko equations and norming constants of the matrix Zakharov-Shabat system. Zbl 1209.34013
Demontis, Francesco; van der Mee, Cornelis
2008
The Jordan algebraic structure of the circular cone. Zbl 1404.17046
Alzalg, Baha
2017
Asymmetric truncated Toeplitz operators on finite-dimensional spaces. Zbl 1367.47030
Jurasik, Joanna; Łanucha, Bartosz
2017
Explicit construction of tight nonuniform framelet packets on local fields. Zbl 1482.42087
2021
Frobenius norm inequalities of commutators based on different products. Zbl 1484.15025
Liu, Wei-Hui; Xie, Ze-Jia; Jin, Xiao-Qing
2021
The norm of an infinite $$L$$-matrix. Zbl 1489.47016
2021
The generalized Crofoot transform. Zbl 07446826
Khan, Rewayat
2021
Refined Heinz operator inequalities and norm inequalities. Zbl 07446827
Ghazanfari, A. G.
2021
Nonlinear Lie derivations of incidence algebras. Zbl 1489.16028
Yang, Yuping
2021
Ternary derivations of nest algebras. Zbl 07446833
Fošner, Ajda; Ghahramani, Hoger
2021
Inequalities related to the geometric mean of accretive matrices. Zbl 1484.15019
Liu, Juntong; Mei, Jin-Jin; Zhang, Dengpeng
2021
Uncertainty principles in term of supports in Hankel wavelet setting. Zbl 1485.42052
Hkimi, S.; Omri, S.
2021
Essential norm of weighted composition followed and proceeded by differentiation operator from Bloch-type into Bers-type spaces. Zbl 07515558
2021
Davis-Wielandt-Berezin radius inequalities via Dragomir inequalities. Zbl 07538735
Tapdigoglu, Ramiz; Gürdal, Mehmet; Altwaijry, Najla; Sarı, Nur
2021
On the boundedness of subsequences of Vilenkin-Fejér means on the martingale Hardy spaces. Zbl 1465.42031
2020
Lower estimates on eigenvalues of quantum graphs. Zbl 1460.34036
Mugnolo, Delio; Plümer, Marvin
2020
Asymptotic stability of a perturbed abstract differential equations in Banach spaces. Zbl 1467.93259
Damak, Hanen; Hammami, Mohamed Ali
2020
A note on Orlicz algebras. Zbl 1476.46056
Tabatabaie, Seyyed Mohammad; Salec, Ali Reza Bagheri; Sanjari, Maryam Zare
2020
On real or integral skew Laplacian spectrum of digraphs. Zbl 1486.05187
Pirzada, S.; Ganie, Hilal A.; Chat, Bilal A.
2020
Laplacians on bipartite metric graphs. Zbl 1462.81097
Kurasov, Pavel; Rohleder, Jonathan
2020
Quantum strips in higher dimensions. Zbl 1462.58016
2020
Self-adjoint extensions of the two-valley Dirac operator with discontinuous infinite mass boundary conditions. Zbl 1462.35212
2020
On the notion of effective impedance. Zbl 1462.05164
Muranova, Anna
2020
Inverse continuity of the numerical range map for Hilbert space operators. Zbl 07347969
Lins, Brian; Spitkovsky, Ilya M.
2020
Matrix valued $$p$$-convolution operators. Zbl 1479.43003
2020
Norms, kernels and eigenvalues of some infinite graphs. Zbl 1464.05270
Agrawal, Aahan; Berge, Astrid; Colbert-Pollack, Seth; Martínez-Avendaño, Rubén A.; Sliheet, Elyssa
2020
The spectrum of the restriction to an invariant subspace. Zbl 07347982
Drivaliaris, Dimosthenis; Yannakakis, Nikos
2020
On power Drazin normal and Drazin quasi-normal Hilbert space operators. Zbl 1482.47033
Duggal, B. P.; Kim, I. H.
2020
$$\mathcal{C}$$-symmetric second order differential operators. Zbl 1486.34165
Behncke, Horst; Hinton, Don
2020
Semi-smooth points in space of operators on Hilbert space. Zbl 1490.46015
Wójcik, Paweł
2020
Group inverse of finite potent endomorphisms on arbitrary vector spaces. Zbl 1479.15002
Romo, Fernando Pablos
2020
A new Banach space defined by Euler totient matrix operator. Zbl 1439.46014
İlkhan, Merve; Kara, Emrah Evren
2019
Images of multilinear polynomials of degree up to four on upper triangular matrices. Zbl 1432.16023
Fagundes, Pedro S.; de Mello, Thiago C.
2019
Algebraic reflexivity of sets of bounded linear operators on absolutely continuous function spaces. Zbl 1439.46007
Hosseini, Maliheh
2019
Smooth points in operator spaces and some Bishop-Phelps-Bollobás type theorems in Banach spaces. Zbl 1440.46010
Sain, Debmalya
2019
Hyponormal Toeplitz operators with non-harmonic symbol acting on the Bergman space. Zbl 1448.47039
Fleeman, Matthew; Liaw, Constanze
2019
Weighted composition operators on the Fock space. Zbl 07132640
Fatehi, Mahsa
2019
All non-commuting solutions of the Yang-Baxter matrix equation for a class of diagonalizable matrices. Zbl 1417.15016
Huang, Qianglian; Adam, Mansour Saeed Ibrahim; Ding, Jiu; Zhu, Lanping
2019
On two extremum problems related to the norm of a bounded linear operator. Zbl 07132637
Sain, Debmalya; Paul, Kallol; Mandal, Kalidas
2019
Weighted composition operators between Lipschitz spaces on pointed metric spaces. Zbl 07132647
2019
A note on the maximal numerical range. Zbl 1435.47012
Spitkovsky, Ilya M.
2019
On the essential spectra of unbounded operator matrices with non diagonal domain and an application. Zbl 1448.47009
Belghith, Marwa; Moalla, Nedra; Walha, Ines
2019
Spectral estimates for Dirichlet Laplacian on tubes with exploding twisting velocity. Zbl 1425.35127
Barseghyan, Diana; Khrabustovskyi, Andrii
2019
Left and right generalized Drazin invertible operators on Banach spaces and applications. Zbl 07142365
Ferreyra, D. E.; Lattanzim, M.; Levis, F. E.; Thome, N.
2019
Self-adjoint operators and the general GKN-EM theorem. Zbl 1426.47003
Littlejohn, Lance L.; Wellman, Richard
2019
On the classes of $$(n,m)$$-power $$D$$-normal and $$(n,m)$$-power $$D$$-quasi-normal operators. Zbl 07142373
Mahmoud, Sid Ahmed Ould Ahmed; Ahmed, Ould Beinane Sid
2019
On multiplicity of spectrum for Anderson type operators with higher rank perturbations. Zbl 07142374
Mallick, Anish; Narayanan, P. A.
2019
$$H^\infty$$-functional calculus for commuting families of Ritt operators and sectorial operators. Zbl 1447.47020
Arrigoni, Olivier; Le Merdy, Christian
2019
On the maximal numerical range of a hyponormal operator. Zbl 1435.47010
2019
Essential norm of the differential operator. Zbl 1448.47058
Mengestie, Tesfa
2019
Compactness of operator integrators. Zbl 1429.46028
Wootijirattikal, Titarii; Ong, Sing-Cheong; Lenbury, Yongwimon
2019
A surjectivity problem for 3 by 3 matrices. Zbl 1422.30012
Buşe, Constantin; O&rsquo;Regan, Donal; Saierli, Olivia
2019
Towards localization in long-range continuous interactive Anderson models. Zbl 1427.60141
Chulaevsky, Victor
2019
Fredholm weighted composition operators. Zbl 1448.47035
Lo, Ching-On; Loh, Anthony Wai-Keung
2019
Extensions of Hiai-Lin type eigenvalue inequality. Zbl 1443.15014
Shi, Jian
2019
On the sum of powers of square matrices. Zbl 1417.15024
Karia, Dinesh J.; Patil, Kailash M.; Singh, H. P.
2019
On some $$p$$-almost Hadamard matrices. Zbl 1421.15007
Mohan, Manil T.
2019
The Stieltjes string and its associated nodal points. Zbl 1425.39007
Tsao, Che-Wei; Law, Chun-Kong
2019
Strongly Drazin inverse in rings. Zbl 1425.16024
Chen, Huanyin; Nabavi, Seyed Saeed; Abdolyousefi, Marjan Sheibani
2019
A Riemannian structure for correlation matrices. Zbl 1433.62149
David, Paul; Gu, Weiqing
2019
2-local $$\ast$$-Lie automorphisms of semi-finite factors. Zbl 07142375
Fang, Xiaochun; Zhao, Xingpeng; Yang, Bing
2019
Characterization of some classes of compact and matrix operators on the sequence spaces of Cesàro means. Zbl 1443.40003
Güleç, G. Canan Hazar
2019
On maps sending rank-$$\kappa$$ idempotents to idempotents. Zbl 1427.15033
Julius, Hayden
2019
Sylvester equations and polynomial separation of spectra. Zbl 1428.15014
Nevanlinna, Olavi
2019
Lyapunov property of positive $$C_0$$-semigroups on non-commutative $$L^p$$ spaces. Zbl 1431.46049
Prajapati, T.; Sinha, K. B.; Srivastava, S.
2019
On the location of eigenvalues of matrix polynomials. Zbl 1432.15008
Lê, Công-Trình; Du, Thi-Hoa-binh; Nguyen, Tran-Duc
2019
Green’s function of the problem of bounded solutions in the case of a block triangular coefficient. Zbl 1442.34056
Kurbatov, Vitalii G.; Kurbatova, Irina V.
2019
The quintic complex moment problem. Zbl 1441.47013
El-Azhar, H.; Harrat, A.; Idrissi, K.; Zerouali, E. H.
2019
Sharpening some classical numerical radius inequalities. Zbl 1487.47013
Omidvar, Mohsen Erfanian; Moradi, Hamid Reza; Shebrawi, Khalid
2018
Linear differential operator with an involution as a generator of an operator group. Zbl 1403.35158
Baskakov, Anatoly G.; Krishtal, Ilya A.; Uskova, Natalia B.
2018
Hypercyclicity of weighted translations on Orlicz spaces. Zbl 1462.47004
Azimi, M. R.; Akbarbaglu, I.
2018
On the denseness of minimum attaining operators. Zbl 06982765
Kulkarni, S. H.; Ramesh, G.
2018
Maps preserving the local spectrum of some matrix products. Zbl 1487.47063
Abdelali, Zine El Abidine; Achchi, Abdelali; Marzouki, Rabi
2018
The spectrum and fine spectrum of generalized Rhaly-Cesàro matrices on $$c_0\ \mathrm{and}\ c$$. Zbl 07093954
Yildirim, Mustafa; Mursaleen, Mohammad; Doğan, Çağla
2018
On the classes of $$D$$-normal operators and $$D$$-quasi-normal operators on Hilbert space. Zbl 1487.47036
Dana, M.; Yousefi, R.
2018
Generalized Lie derivations of unital algebras with idempotents. Zbl 1391.16048
Benkovič, Dominik
2018
Chaotic operators on hypergroups. Zbl 1462.47006
2018
The norm of backward difference operator $${\Delta}^{(n)}$$. Zbl 1454.26042
Roopaei, H.; Foroutannia, D.
2018
Korovkin type approximation theorems in weighted spaces via power series method. Zbl 1392.41012
Taş, E.; Yurdakadim, T.; Atlihan, O. G.
2018
Multilinear mixing operators and Lipschitz mixing operator ideals. Zbl 1480.47032
Achour, Dahmane; Dahia, Elhadj; Saleh, M. A. S.
2018
Bessel property and basicity of the system of root vector-functions of Dirac operator with summable coefficient. Zbl 1421.34057
Kurbanov, Vali M.; Abdullayeva, Afsana M.
2018
$$F_a$$-frame and Riesz sequences in $$L^2(\mathbb{R}_+)$$. Zbl 1421.42020
Li, Yun-Zhang; Zhang, Wei
2018
Matrix $$N$$-dilations of quantum channels. Zbl 1423.46078
Levick, Jeremy; Martin, Robert T. W.
2018
Stability of determinacy and inverse spectral problems for Jacobi operators. Zbl 1470.41003
Del Rio, Rafael; Silva, Luis O.
2018
On supercyclicity for abelian semigroups of matrices on $$\mathbb{R}^n$$. Zbl 06982775
Herzi, Salah; Marzougui, Habib
2018
Nonlinear maps preserving condition spectrum of Jordan skew triple product of operators. Zbl 07093952
Benbouziane, H.; Bouramdane, Y.; El Kettani, M. Ech-Cherif; Lahssaini, A.
2018
Quadratic weighted geometric mean in Hermitian unital Banach $$\ast$$-algebras. Zbl 07093957
Dragomir, S. S.
2018
Bernstein functions of several semigroup generators on Banach spaces under bounded perturbations. II. Zbl 1487.47025
Mirotin, A. R.
2018
Eigenvalue interlacing for first order differential systems with periodic $$2 \times 2$$ matrix potentials and quasi-periodic boundary conditions. Zbl 1409.34075
Currie, Sonja; Roth, Thomas T.; Watson, Bruce A.
2018
Spectral analysis of the Dirac operator on a 3-sphere. Zbl 1394.35390
Fang, Yan-Long; Levitin, Michael; Vassiliev, Dmitri
2018
Nonadditive strong commutativity preserving maps on rank-$$k$$ matrices over division rings. Zbl 1395.15022
Liu, Cheng-Kai; Liau, Pao-Kuei; Tsai, Yuan-Tsung
2018
Inverse Sturm-Liouville problem for a star graph by three spectra. Zbl 1398.34041
Pivovarchik, Vyacheslav
2018
Scalar approximants of quadratic operators with applications. Zbl 1462.47001
Abu-Omar, Amer; Wu, Pei Yuan
2018
Semigroups of truncated Toeplitz operators. Zbl 06982761
Yagoub, Ameur; Zarrabi, Mohamed
2018
Half-centered operators. Zbl 06982764
Giselsson, Olof
2018
The modified Parseval equality of Sturm-Liouville problems with coupled boundary condition. Zbl 1485.34093
Dan, Mu; Sun, Jiong; Ao, Ji-Jun; Xie, Junhui
2018
A note on the rational canonical form of an endomorphism of a vector space of finite dimension. Zbl 1402.15008
Ballester-Bolinches, Adolfo; Esteban-Romero, Ramón; Pérez-Calabuig, Vicente
2018
On the weakly closed algebra generated by a unitary operator in a Pontryagin space. Zbl 1409.46018
2018
On a problem by Hans Feichtinger. Zbl 1404.45015
Balan, Radu; Okoudjou, Kasso A.; Poria, Anirudha
2018
Norms of hyponormal weighted composition operators on the Hardy and weighted Bergman spaces. Zbl 07093956
Fatehi, Mahsa; Shaabani, Mahmood Haji
2018
The Kunz-Souillard approach to localization for Jacobi operators. Zbl 1448.47044
Bucaj, Valmir
2018
Products of radial derivative and weighted composition operators from weighted Bergman-Orlicz spaces to weighted-type spaces. Zbl 1487.47043
Jiang, Zhi-Jie; Wang, Xiao-Feng
2018
Hypercyclicity and Weyl type theorems for operator matrices. Zbl 1487.47007
An, Il Ju; Heo, Jaeseong
2018
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