Issue 1

Vyacheslav Pivovarchik

Inverse Sturm-Liouville problem for a star graph by three spectra

12-01 Pages 1-18

Abstract Article

Sebastian Geethika, Daniel Sukumar

On the open ball centered at an invertible element of a Banach algebra

12-02 Pages 19-25

Abstract Article

M. R. Azimi, I. Akbarbaglu

Hypercyclicity of weighted translations on Orlicz spaces

12-03 Pages 27-37

Abstract Article

Jimmy Johansson, Lyudmila Turowska

The Shilov boundary for a q-analog of the holomorphic functions on the unit ball of 2 × 2 symmetric matrices

12-04 Pages 39-53

Abstract Article

Martin Klaus

Eigenvalue asymptotics for Zakharov-Shabat systems with long-range potentials

12-05 Pages 55-106

Abstract Article

Qinbo Liu

Estimates on singular values of functions of perturbed operators

12-06 Pages 107-116

Abstract Article

Gregor Dolinar, Bojan Kuzma, Janko Marovt

A note on commutativity preserving maps on M_n(ℝ)

12-07 Pages 117-131

Abstract Article

H. C. Rhaly Jr.

Supraposinormality and hyponormality for the generalized Cesàro matrices of order two

12-08 Pages 133-142

Abstract Article

Chung-Chuan Chen, Seyyed Mohammad Tabatabaie

Chaotic operators on hypergroups

12-09 Pages 143-156

Abstract Article

Najla Altwaijry, Amani S. Baazeem, Mubariz Garayev

Distance estimates, norm of Hankel operators and related questions

12-10 Pages 157-168

Abstract Article

Augusto Ferrante, Lorenzo Ntogramatzidis

Reduction of discrete algebraic Riccati equations: elimination of generalized eigenvalues on the unit circle

12-11 Pages 169-187

Abstract Article

M. R. Jabbarzadeh, Z. Moayyerizadeh

Weighted composition and block shift matrix operators on ℓ²(ℕ) space

12-12 Pages 189-203

Abstract Article

Nareen Bamerni, Adem Kılıçman

Subspace-hypercyclic weighted shifts

12-13 Pages 205-214

Abstract Article

Haihui Fan, Don Hadwin, Wenjing Liu

An extension of the Chen-Beurling-Helson-Lowdenslager theorem

12-14 Pages 215-228

Abstract Article

Agnes Radl, Manfred P. H. Wolff

On the block numerical range of operators on arbitrary Banach spaces

12-15 Pages 229-252

Abstract Article

Amer Abu-Omar, Pei Yuan Wu

Scalar approximants of quadratic operators with applications

12-16 Pages 253-262

Abstract Article

Mina Jamshidi

uc-majorization and its strongly linear preservers

12-17 Pages 263-270

Abstract Article

M. R. Jabbarzadeh, M. Moradi

Complex symmetric weighted composition Lambert type operators on L²(Σ)

12-18 Pages 271-285

Abstract Article

Nigar M. Aslanova, Mamed Bayramoglu, Khalig M. Aslanov

Some spectral properties of fourth order differential operator equation

12-19 Pages 287-299

Abstract Article