Volume 6

Issue 1

3/2012

Juan-Miguel Gracia, Francisco E. Velasco

Nearest southeast submatrix that makes multiple an eigenvalue of the normal northwest submatrix

06-01 Pages 1-35

Abstract Article page

Benton L. Duncan

Exactness of universal free products of finite dimensional C^*-algebras with amalgamation

06-02 Pages 37-48

Abstract Article page

Ivan Slapničar

On the spectra of generalized Fibonacci and Fibonacci-like operators

06-03 Pages 49-62

Abstract Article page

Chuan-Fu Yang

Inverse nodal problems for the Sturm-Liouville operator with eigenparameter dependent boundary conditions

06-04 Pages 63-77

Abstract Article page

Abbas Salemi

Higher rank numerical hulls of matrices

06-05 Pages 79-84

Abstract Article page

Debasisha Mishra, K.C. Sivakumar

On splittings of matrices and nonnegative generalized inverses

06-06 Pages 85-95

Abstract Article page

Slaviša Djordjevic, Robin Harte, David Larson

Partially hyper invariant subspaces

06-07 Pages 97-106

Abstract Article page

Bernd Klöss

The flow approach for waves in networks

06-08 Pages 107-128

Abstract Article page

Jianlian Cui, Chi-Kwong Li

Maps preserving peripheral spectrum of Jordan products of operators

06-09 Pages 129-146

Abstract Article page

Xiaofei Qi, Jinchuan Hou

Strong commutativity preserving maps on triangular rings

06-10 Pages 147-158

Abstract Article page

Ber-Lin Yu, Ting-Zhu Huang

On minimal potentially power-positive sign patterns

06-11 Pages 159-167

Abstract Article page

Shifang Zhang, Junde Wu

Samuel multiplicities and Browder spectrum of operator matrices

06-12 Pages 169-179

Abstract Article page

R. E. Hartwig, P. Patrício

When does the Moore-Penrose inverse flip?

06-13 Pages 181-192

Abstract Article page

Zhongpeng Yang, Xiaoxia Feng, Meixiang Chen, Chunyan Deng, J. J. Koliha

Fredholm stability results for linear combinations of m-potent operators

06-14 Pages 193-199

Abstract Article page

Issue 2

6/2012

P. Hájek, V. Montesinos, V. Zizler

Geometry and Gâteaux smoothness in separable Banach spaces

06-15 Pages 201-232

Abstract Article page

V. Indumathi

M-ideals and the Bishop-Phelps theorem

06-16 Pages 233-240

Abstract Article page

J. M. Calabuig, M. A. Juan, E. A. Sánchez Pérez

Spaces of p-integrable functions with respect to a vector measure defined on a δ-ring

06-17 Pages 241-262

Abstract Article page

Gilles Pisier

Completely co-bounded Schur multipliers

06-18 Pages 263-270

Abstract Article page

M. N. N. Namboodiri

Geometric theory of weak Korovkin sets

06-19 Pages 271-278

Abstract Article page

David Yost

Quasilinear mappings, M-ideals and polyhedra

06-20 Pages 279-286

Abstract Article page

Geoffrey L. Price

Binary shifts of higher commutant index

06-21 Pages 287-309

Abstract Article page

Th. Schlumprecht

On the closed subideals of L(ℓ_p ⊕ ℓ_q)

06-22 Pages 311-326

Abstract Article page

M. Gupta, L. R. Acharya

On the ideals of Orlicz type operators

06-23 Pages 327-337

Abstract Article page

Gilles Godefroy

Linearization of isometric embeddings between Banach spaces: An elementary approach

06-24 Pages 339-345

Abstract Article page

Cho-Ho Chu

Jordan structures in Banach spaces

06-25 Pages 347-356

Abstract Article page

Balmohan V. Limaye

Matrix formulation for infinite-rank operators

06-26 Pages 357-370

Abstract Article page

T. S. S. R. K. Rao

Central and almost constrained subspaces of Banach spaces

06-27 Pages 371-383

Abstract Article page

Issue 3

9/2012

M. Seidel, B. Silbermann

Banach algebras of operator sequences

06-28 Pages 385-432

Abstract Article page

Chi-Kwong Li, Lucijan Plevnik, Peter Šemrl

Preservers of matrix pairs with a fixed inner product value

06-29 Pages 433-464

Abstract Article page

Tomoyuki Sugimoto

On an inverse formula of a tridiagonal matrix

06-30 Pages 465-480

Abstract Article page

Weishun Xue, Jinchuan Hou

All-derivable points of nest algebras on Banach spaces

06-31 Pages 481-491

Abstract Article page

Michael Gil'

Ideals of compact operators with Nakano type norms in a Hilbert space

06-32 Pages 493-501

Abstract Article page

Sam Elliott

Similarity to an isometry of composition operators on the half-plane

06-33 Pages 503-510

Abstract Article page

Amol Sasane

The new ν-metric induces the classical gap topology

06-34 Pages 511-527

Abstract Article page

Shuilin Jin, Qinghua Jiang, Yadong Wang, Guangren Duan

On joint spectrum of infinite direct sums

06-35 Pages 529-533

Abstract Article page

Roman Drnovšek, Martin Jesenko, Marko Kandić

Positive commutators and collections of operators

06-36 Pages 535-542

Abstract Article page

Anne Boutet de Monvel, Jan Janas, Serguei Naboko

Elementary models of unbounded Jacobi matrices with a few bounded gaps in the essential spectrum

06-37 Pages 543-565

Abstract Article page

Don Hadwin, Ileana Ionaşcu, Hassan Yousefi

Null-orbit reflexive operators

06-38 Pages 567-576

Abstract Article page

Takeaki Yamazaki

The Riemannian mean and matrix inequalities related to the Ando-Hiai inequality and chaotic order

06-39 Pages 577-588

Abstract Article page

Jadranka Mićić, Zlatko Pavić, Josip Pečarić

Some better bounds in converses of the Jensen operator inequality

06-40 Pages 589-605

Abstract Article page

J. William Helton, I. M. Spitkovsky

The possible shapes of numerical ranges

06-41 Pages 607-611

Abstract Article page

Eun-Young Lee

How to compare the absolute values of operator sums and the sums of absolute values?

06-42 Pages 613-619

Abstract Article page

Antonio M. Peralta, Daniele Puglisi

Orthogonally additive holomorphic functions on C^*-algebras

06-43 Pages 621-629

Abstract Article page

Issue 4

12/2012

Bernd Fritzsche, Bernd Kirstein, Andreas Lasarow

Para-orthogonal rational matrix-valued functions on the unit circle

06-44 Pages 631-680

Abstract Article page

J.-Ph. Labrousse, A. Sandovici, H.S.V. De Snoo, H. Winkler

Closed linear relations and their regular points

06-45 Pages 681-714

Abstract Article page

Ching-Jou Liao, Ya-Shu Wang

Biseparating maps between smooth vector-valued functions on Banach manifolds

06-46 Pages 715-724

Abstract Article page

Salah Mecheri, Naim L. Braha

Spectral Properties of n-perinormal operators

06-47 Pages 725-734

Abstract Article page

Olga Y. Kushel

Spectra and approximations of a class of sign-symmetric matrices

06-48 Pages 735-755

Abstract Article page

M. Eshaghi Gordji, M. Ramezani

Approximate inner products on Hilbert C^*-modules; A fixed point approach

06-49 Pages 757-766

Abstract Article page

Bernhard H. Haak, Jan van Neerven

Uniformly γ-radonifying families of operators and the stochastic Weiss conjecture

06-50 Pages 767-792

Abstract Article page

Luka Grubišić, Ivica Nakić

Error representation formula for eigenvalue approximations for positive definite operators

06-51 Pages 793-808

Abstract Article page

Jiangtao Yuan, Guoxing Ji

Monotonicity of generalized Furuta type functions

06-52 Pages 809-818

Abstract Article page

María Burgos, A. C. Márquez-García, A. Morales-Campoy

Linear maps strongly preserving Moore-Penrose invertibility

06-53 Pages 819-831

Abstract Article page

A. E. Frazho, M. A. Kaashoek, A. C. M. Ran

Right invertible multiplication operators and stable rational matrix solutions to an associate Bezout equation, II: Description of all solutions

06-54 Pages 833-857

Abstract Article page

Julio Benítez, Xiaoji Liu

On the continuity of the group inverse

06-55 Pages 859-868

Abstract Article page

Masatoshi Fujii, Masatoshi Ito, Eizaburo Kamei, Ritsuo Nakamoto

On Yuan-Gao's ‟complete form" of Furuta inequality

06-56 Pages 869-875

Abstract Article page