OaM cover

Operators and Matrices

Volume: 9

Year: 2015

Articles

Issue: 1 (March, 2015)
Article number / DOI Authors / Title Pages Abstract Article
09-01 Yu. I. Karlovich, J. Loreto-Hernández, I. M. Spitkovsky: Factorization of some triangular matrix functions and its applications 1–29 View View
09-02 Michael M. H. Pang: On an upper heat kernel bound for second order elliptic operators on bounded regions in RN 31–56 View View
09-03 P. W. Ng: A generalization of the Brown-Pearcy Theorem 57–82 View View
09-04 Cristina Diogo: Algebraic properties of the set of operators with 0 in the closure of the numerical range 83–93 View View
09-05 Rodica-Mihaela Dăneţ, Marian-Valentin Popescu, Nicoleta Popescu: Simultaneous extensions of a family of linear operators 95–112 View View
09-06 Lajos Molnár, Peter Šemrl, Ahmed Ramzi Sourour: Bilocal automorphisms 113–120 View View
09-07 G. Krishna Kumar, S. H. Lui: Pseudospectrum and condition spectrum 121–145 View View
09-08 András Bátkai, Ágnes Havasi, Róbert Horváth, Dávid Kunszenti-Kovács, Péter L. Simon: PDE approximation of large systems of differential equations 147–163 View View
09-09 Florin Pop: On the double commutant expectation property for operator systems 165–179 View View
09-10 Hoger Ghahramani: Jordan derivations on block upper triangular matrix algebras 181–188 View View
09-11 Béla Nagy: Orthonormal Jordan bases in finite dimensional Hilbert spaces 189–201 View View
09-12 A. M. Simões: A transmission problem for the Helmholtz equation with higher order boundary conditions 203–223 View View
09-13 Kamila Kliś-Garlicka, Marek Ptak: C-symmetric operators and reflexivity 225–232 View View
09-14 Wasin So, Changqing Xu: A simple sufficient condition for complete positivity 233–239 View View
Issue: 2 (June, 2015)
Article number / DOI Authors / Title Pages Abstract Article
09-15 Ivan Veselić, Krešimir Veselić: Spectral gap estimates for some block matrices 241–275 View View
09-16 Valentin Matache: On spectra of composition operators 277–303 View View
09-17 Willian Franca: Commuting traces on invertible and singular operators 305–310 View View
09-18 Hui Qu, Guihai Yu, Lihua Feng: More on the minimum skew-rank of graphs 311–324 View View
09-19 Martín Argerami, Douglas Farenick: C∗-envelopes of Jordan operator systems 325–341 View View
09-20 Antonio M. Peralta: A note on 2-local representations of C∗-algebras 343–358 View View
09-21 Franz Hanauska: On the closure of the discrete spectrum of nuclearly perturbed operators 359–364 View View
09-22 Sen Zhu: Complex symmetric triangular operators 365–381 View View
09-23 Saliha Pehlivan, Deguang Han, Ram Mohapatra: Spectrally two-uniform frames for erasures 383–399 View View
09-24 Constantin Costara: Automatic continuity for linear surjective maps compressing the point spectrum 401–405 View View
09-25 Amol Sasane: Noncoherence of the multiplier algebra of the Drury-Arveson space H2n for n≥3 407–416 View View
09-26 Gholamreza Aghamollaei, Sharifeh Rezagholi: Higher rank numerical hulls of matrices and matrix polynomials 417–431 View View
09-27 Ana C. Conceição, Rui C. Marreiros: On the kernel of a singular integral operator with non-Carleman shift and conjugation 433–456 View View
09-28 Teodor Banica: The glow of Fourier matrices: universality and fluctuations 457–474 View View
09-29 Koenraad M. R. Audenaert: Interpolating between the arithmetic-geometric mean and Cauchy-Schwarz matrix norm inequalities 475–479 View View
Issue: 3 (September, 2015)
Article number / DOI Authors / Title Pages Abstract Article
09-30 Friedrich Philipp, Carsten Trunk: Spectral points of type π+ and type π- of closed operators in indefinite inner product spaces 481–506 View View
09-31 Wenhua Qian, Junhao Shen: Hochschild cohomology of type II1 von Neumann algebras with property Γ 507–543 View View
09-32 Marcel Hansmann: An observation concerning boundary points of the numerical range 545–548 View View
09-33 Carlo Garoni, Stefano Serra-Capizzano, Paris Vassalos: A general tool for determining the asymptotic spectral distribution of Hermitian matrix-sequences 549–561 View View
09-34 Ali Taghavi, Roja Hosseinzadeh, Hamid Rohi: Maps preserving the fixed points of sum of operators 563–569 View View
09-35 Titarii Wootijirattikal, Sing-Cheong Ong, Jitti Rakbud: Functional decomposition theorems for C∗-matrix operator spaces 571–596 View View
09-36 Haili Zhao, Jinchuan Hou: A necessary and sufficient condition for positivity of linear maps on M4 constructed from permutation pairs 597–617 View View
09-37 Gorka Armentia, Juan-Miguel Gracia, Francisco E. Velasco: Closest southeast submatrix that makes multiple a defective eigenvalue of the northwest one 619–636 View View
09-38 Hatem Mejjaoli, Mourad Jelassi, Youssef Othmani: Multivariable Bessel Gabor transform and applications 637–657 View View
09-39 Che-man Cheng, Xiao-qing Jin, Seak-weng Vong: A survey on the Böttcher-Wenzel conjecture and related problems 659–673 View View
09-40 Jung-Jin Lee: Hahn-Banach type extension theorems on p-operator spaces 675–685 View View
09-41 Patrycja Jȩdrzejewska, Katarzyna Majcherek, August Zapała: Conditional expectations of random linear operators in Banach spaces 687–696 View View
09-42 Antonija Pršlja: Random walks relative to multiple transition matrices 697–710 View View
09-43 M. A. Efimov, A. E. Guterman: Maps on operators strongly preserving sharp order 711–731 View View
Issue: 4 (December, 2015)
Article number / DOI Authors / Title Pages Abstract Article
09-44 Christian Mehl, Volker Mehrmann, Michał Wojtylak: On the distance to singularity via low rank perturbations 733–772 View View
09-45 Yuri I. Karlovich: 𝐂*-algebras of Bergman type operators with continuous coefficients on polygonal domains 773–802 View View
09-46 Peter D. Johnson, Faruk Polat: On spaces derivable from a solid sequence space and a non-negative lower triangular matrix 803–814 View View
09-47 Zoltán Sebestyén, Zsigmond Tarcsay, Tamás Titkos: A short-type decomposition of forms 815–830 View View
09-48 Yu-Xia Liang, Ze-Hua Zhou: Disk-cyclicity and codisk-cyclicity of certain shift operators 831–846 View View
09-49 Sergey M. Zagorodnyuk: On extensions of J-skew-symmetric and J-isometric operators 847–851 View View
09-50 Piotr Budzyński, Artur Płaneta: Dense definiteness and boundedness of composition operators in L2-spaces via inductive limits 853–876 View View
09-51 Dan Mu, Jiong Sun, Ji-Jun Ao: Asymptotic behavior of eigenvalues and eigenfunctions of Sturm-Liouville problems with coupled boundary conditions and transmission conditions 877–890 View View
09-52 Jānis Cīrulis: One-sided star partial orders for bounded linear operators 891–905 View View
09-53 Edward J. Timko: Some examples of extremal triples of commuting contractions 907–916 View View
09-54 Minghua Lin: Inequalities related to 2 ✕ 2 block PPT matrices 917–924 View View
09-55 Maria Joiţa, Radu-B. Munteanu, Ioannis Zarakas: Multipliers of Hilbert pro-C∗-bimodules and crossed products by Hilbert pro-C∗-bimodules 925–942 View View
09-56 Olga Y. Kushel: Matrices with totally positive powers and their generalizations 943–964 View View