On a Theorem of Aupetit and Zemánek Rudi BritsMuhammad HassenFrancois Schulz Original Paper Open access 20 June 2025
Fremlin tensor product behaves well with the unbounded order convergence Omid Zabeti Original Paper 23 May 2025
A characterization of abelian \(C^*\)-algebras in terms of strong Birkhoff-James orthogonality Ryotaro Tanaka Original Paper Open access 16 May 2025
Interpolating the Heinz and Pólya inequality and its operator version Hojjatollah SameaGhodratollah Shafiei Original Paper 30 April 2025
On the duality of disjoint limited completely continuous operators N. HafidiJ. H’MichaneL. Zraoula Original Paper 31 March 2025 Pages: 213 - 218
Sufficient conditions for the weighted integrability of Fourier–Helgason transforms in the \(L^{p}\)-space on Damek–Ricci spaces Salah El Ouadih Original Paper 24 February 2025 Pages: 181 - 193
Constrained best proximity point theorems: constrained global minimization with one or more constraints S. Sadiq Basha Original Paper 23 February 2025
Strong weak limited and almost L-Grothendieck sets and operators Farid AfkirFatima Zahra Oughajji Original Paper 15 February 2025
Localization operators in the realm of deformed wavelet transform Hatem MejjaoliFirdous A. ShahNadia Sraieb Original Paper 04 February 2025
Correction: New characterizations of operator monotone functions Bich Khue VoTrung Hoa DinhHiroyuki Osaka Correction 30 January 2025 Pages: 341 - 342
Moment property and positivity for some algebras of fractions Claus ScheidererKonrad Schmüdgen Original Paper Open access 28 January 2025
Order structure of U-semiabundant semigroups and rings. Part II: two-sided Lawson’s order Jānis Cīrulis Original Paper 07 December 2024
\(L_p\)-boundedness for weighted Fourier convolution by Hermite polynomial and their applications Trinh TuanLe Van HienNguyen Thi Hong Phuong Original Paper 05 December 2024
Matrix convexity and unitary power dilations of Toeplitz-contractive operator tuples Douglas Farenick Original Paper Open access 29 November 2024
New characterizations of operator monotone functions Bich Khue VoTrung Hoa DinhHiroyuki Osaka Original Paper 26 November 2024 Pages: 623 - 636
Ergodic theorems for the \(L^1\)-Karcher mean Jorge AntezanaEduardo GhiglioniMiklós Pálfia Original Paper 21 November 2024 Pages: 575 - 591
On properties of Crawford numbers of operators on Hilbert spaces K. P. DeepeshMohammed ShameemM. P. Sreelakshmi Original Paper 04 November 2024
Preservers of numerical range of matrix skew products M. BendaoudA. BenyounessM. Sarih Original Paper 26 October 2024
Numerical radius inequalities via block matrices Wasim AudehManal Al-LabadiRaja’a Al-Naimi Original Paper 24 October 2024
On similarity to contractions of class \(C_{\cdot 0}\) with finite defects Maria F. Gamal’ Original Paper 07 October 2024
On restrictions of operators on Hilbert space to a half-space Sami HamidCarl Pearcy Original Paper 23 September 2024 Pages: 219 - 225
Systems of first order ordinary differential equations allowing a given 3-dimensional Lie group as a subgroup of their symmetry group Kornélia FiczereÁgota Figula Original Paper Open access 23 September 2024 Pages: 57 - 82
Numerical radius inequalities of bounded linear operators and \((\alpha ,\beta )\)-normal operators Pintu Bhunia Original Paper 16 September 2024
Computational aspects of the geometric mean of two matrices: a survey Dario A. BiniBruno Iannazzo Review/Survey Paper Open access 04 September 2024 Pages: 349 - 389
Unitary equivalence and reduced minimum modulus preservers Abdellatif BourhimMostafa Mbekhta Original Paper 25 August 2024
Fixed point theorems for almost and utmost acyclic contractions S. Sadiq Basha Original Paper 14 August 2024 Pages: 83 - 93
On the geometry of the Birkhoff polytope I: the operator \(\ell ^p_n\)-norms Ludovick BouthatJavad MashreghiFrédéric Morneau-Guérin Original Paper 20 July 2024 Pages: 227 - 245
Operator means and the reduced relative quantum entropy Frank Hansen Original Paper Open access 18 July 2024 Pages: 565 - 574
On the geometry of the Birkhoff polytope II: the Schatten p-norms Ludovick BouthatJavad MashreghiFrédéric Morneau-Guérin Original Paper 18 July 2024
\(\Delta _{{{\varvec{i}}}_{g}}\)-invertible operators I Asma LahmarHaïkel Skhiri Original Paper 16 July 2024 Pages: 267 - 293
Operator means, barycenters, and fixed point equations Dániel Virosztek Review/Survey Paper Open access 15 July 2024 Pages: 391 - 408
Lattice properties of strength functions Andriamanankasina RamanantoaninaTamás Titkos Original Paper Open access 14 July 2024 Pages: 679 - 689
Some numerical radius bounds Satyajit SahooHamid Reza MoradiMohammad Sababheh Original Paper 14 July 2024
On S-Weyl’s theorem and property (t) for some classes of operators Pietro AienaFabio BurderiSalvatore Triolo Original Paper 10 July 2024 Pages: 295 - 312
Generating subspace lattices, their direct products, and their direct powers Gábor Czédli Original Paper 26 June 2024 Pages: 23 - 55
Nonlinear matrix equations involving Kubo–Ando means Trung Hoa DinhAnh Vu LeAi Nhan D. Nguyen Original Paper 20 June 2024 Pages: 667 - 678
Log-majorization and matrix norm inequalities with application to quantum information Fumio Hiai Original Paper 14 June 2024 Pages: 527 - 549
Remarks on the matrix arithmetic–geometric mean inequality Rajendra Bhatia Original Paper 13 June 2024 Pages: 409 - 418
Correction to: Derivable maps at commutative products on Banach algebras Abbas Zivari-KazempourHoger GhahramaniWu Jing Correction 03 June 2024 Pages: 337 - 337
J-selfadjoint matrix means and their indefinite inequalities N. BebianoR. LemosG. Soares Original Paper Open access 29 May 2024 Pages: 513 - 525
Non-linear characterization of Jordan \(*\)-isomorphisms via maps on positive cones of \(C^*\)-algebras Osamu HatoriShiho Oi Original Paper 27 May 2024 Pages: 313 - 336
Generating some large filters of quasiorder lattices Gábor Czédli Original Paper 25 May 2024 Pages: 1 - 21
Some unitary similarity invariant functional values preservers of matrix products M. BendaoudA. Benyouness Original Paper 18 May 2024 Pages: 247 - 265