Joint matricial range and joint congruence matricial range of operators Pan-Shun LauChi-Kwong LiNung-Sing Sze Original Paper 21 April 2020 Pages: 609 - 626
Some norm inequalities for operators Yogesh KapilRajinder PalJaspal Singh Aujla Original Paper 01 January 2020 Pages: 627 - 639
Operator means for operators with positive definite real part Takashi SanoKota Sugawara Original Paper 01 January 2020 Pages: 640 - 646
On triangle inequality for Miranda-Thompson’s majorization and gradients of increasing functions Marek Niezgoda Original Paper 01 January 2020 Pages: 647 - 656
Positive definiteness of certain functions and comparison of power difference and Heinz means Hideki Kosaki Original Paper 01 January 2020 Pages: 657 - 679
Operator means deformed by a fixed point method Fumio Hiai Original Paper 05 February 2020 Pages: 680 - 713
Berezin number and numerical radius inequalities for operators on Hilbert spaces Satyajit SahooNamita DasDebasisha Mishra Original Paper 24 January 2020 Pages: 714 - 727
Bounds for the eigenvalues of monic matrix polynomials from numerical radius inequalities Abeer JaradatFuad Kittaneh Original Paper 18 February 2020 Pages: 734 - 743
Matrix Hölder-McCarthy inequality via matrix geometric means Ryosuke NakayamaYuki SeoReo Tojo Original Paper 13 February 2020 Pages: 744 - 767
Products of two normal operators Man-Duen ChoiPei Yuan Wu Original Paper 02 March 2020 Pages: 768 - 778
Probability inequalities and tail estimates for metric semigroups Apoorva KhareBala Rajaratnam Original Paper 18 February 2020 Pages: 779 - 795
Weighted Moore–Penrose inverses of products and differences of weighted projections on indefinite inner-product spaces Yunfei TanQingxiang XuGuanjie Yan Original Paper 19 March 2020 Pages: 796 - 815
Hadamard powers of rank two, doubly nonnegative matrices Tanvi Jain Original Paper 15 April 2020 Pages: 839 - 849
Rajendra Bhatia and his mathematical achievements Tsuyoshi AndoChandler DavisIlya M. Spitkovsky Original Paper 16 June 2020 Pages: 850 - 863
Co-Toeplitz operators and their associated quantization Stephen Bruce Sontz Original Paper 16 January 2020 Pages: 864 - 900
2-D covariant affine integral quantization(s) Jean-Pierre GazeauTomoi KoideRomain Murenzi Original Paper 24 January 2020 Pages: 901 - 935
W. Stenger’s and M.A. Nudelman’s results and resolvent formulas involving compressions Aad DijksmaHeinz Langer Original Paper Open access 18 March 2020 Pages: 936 - 949
Positive Hankel operators, positive definite kernels and related topics Piotr Niemiec Original Paper Open access 25 March 2020 Pages: 950 - 993
A note on continuous stable sampling Antonio G. GarcíaMaría J. Muñoz-Bouzo Original Paper 14 April 2020 Pages: 994 - 1013
Minimality of eigenfunctions and associated functions of ordinary differential operators Manfred Möller Original Paper 20 April 2020 Pages: 1014 - 1025
Range-kernel characterizations of operators which are adjoint of each other Zsigmond TarcsayZoltán Sebestyén Original Paper Open access 16 April 2020 Pages: 1026 - 1038
Joint monotone and boolean numerical and spectral radii of d-tuples of operators Anna KulaJanusz Wysoczański Original Paper Open access 02 June 2020 Pages: 1039 - 1060
The Cauchy dual subnormality problem for cyclic 2-isometries Akash AnandSameer ChavanJan Stochel Original Paper Open access 29 June 2020 Pages: 1061 - 1077
Spectral analysis of the sixth-order Krall differential expression K. ElliottL. L. LittlejohnR. Wellman Original Paper 28 May 2020 Pages: 1078 - 1099
A Kaczmarz algorithm for sequences of projections, infinite products, and applications to frames in IFS \(L^{2}\) spaces Palle JorgensenMyung-Sin SongJames Tian Original Paper 25 May 2020 Pages: 1100 - 1131
On radial Schrödinger operators with a Coulomb potential: general boundary conditions Jan DerezińskiJérémy FaupinSerge Richard Original Paper Open access 06 July 2020 Pages: 1132 - 1192
Operational calculus for rows, columns, and blocks of linear relations Seppo HassiJean-Philippe LabrousseHenk de Snoo Original Paper Open access 22 June 2020 Pages: 1193 - 1228
Local Fourier spaces and weighted Beurling density Jean-Pierre Gabardo Original Paper 05 June 2020 Pages: 1229 - 1260
Multi-valued weighted composition operators on Fock space Pham Viet HaiMihai Putinar Original Paper 08 June 2020 Pages: 1261 - 1296
Mathematical work of Franciszek Hugon Szafraniec and its impacts Raúl E. CurtoJean-Pierre GazeauJan Stochel Original Paper Open access 08 June 2020 Pages: 1297 - 1313
