A. Markus

发表

Gyroscopically Stabilized Systems: A Class Of Quadratic Eigenvalue Problems With Real Spectrum

Peter Lancaster, Alexander Markus, P. Lancaster, 1991, Canadian Journal of Mathematics.

The Structured Norm of a Hilbert Space Operator with respect to a Given Algebra of Operators

Avraham Feintuch, Alexander Markus, A. Feintuch, 2000 .

A new concept for block operator matrices:the quadratic numerical range

Christiane Tretter, Heinz Langer, Alexander Markus, 2001 .

Perturbation Theory for Analytic Matrix Functions: The Semisimple Case

Peter Lancaster, F. Zhou, A. S. Markus, 2003, SIAM J. Matrix Anal. Appl..

A wider class of stable gyroscopic systems

Peter Lancaster, Alexander Markus, P. Lancaster, 2003 .

Connectivity of Level Sets of Quadratic Forms and Hausdorff-Toeplitz Type Theorems

Yu. I. Lyubich, Y. Lyubich, A. Markus, 1997 .

Theory of Commuting Nonselfadjoint Operators

V. Vinnikov, A. Markus, M. Livšic, 1995 .

A Note on Factorization of Analytic Matrix Functions

P. Lancaster, A. Markus, 2001 .

Joint zero sets and ranges of several Hermitian forms over complex and quaternionic scalars

P. Binding, A. Markus, 2004 .

Corners of Numerical Ranges

H. Langer, C. Tretter, A. Markus, 2001 .

On the Connection Between the Indices of a Block Operator Matrix and of its Determinant

A. Markus, N. Krupnik, I. Feldman, 2006 .

Locally definite operators in indefinite inner product spaces

H. Langer, A. Markus, V. Matsaev, 1997 .

Self-adjoint Analytic Operator Functions: Local Spectral Function and Inner Linearization

H. Langer, A. Markus, V. Matsaev, 2009 .

The Virozub–Matsaev Condition and Spectrum of Definite Type for Self-adjoint Operator Functions

H. Langer, C. Tretter, M. Langer, 2008 .

Self-adjoint analytic operator functions and their local spectral function

H. Langer, A. Markus, V. Matsaev, 2006 .

Spectrum of definite type of self-adjoint operators in Krein spaces

H. Langer, C. Tretter, M. Langer, 2005 .

Linearization, Factorization, and the Spectral Compression of a Self-adjoint Analytic Operator Function Under the Condition (VM)

H. Langer, A. Markus, V. Matsaev, 2012 .

Linearization and Compact Perturbation of Self-adjoint Analytic Operator Functions

H. Langer, A. Markus, V. Matsaev, 2000 .

Perturbations of G-Selfadjoint Operators and Operator Polynomials with Real Spectrum

P. Lancaster, A. Markus, V. Matsaev, 1996 .

Definitizable Operators and Quasihyperbolic Operator Polynomials

Peter Lancaster, Alexander Markus, P. Lancaster, 1995 .

Some results on numerical ranges and factorizations of matrix polynomials

L. Rodman, A. Markus, 1997 .

Spectral properties of a matrix polynomial connected with a component of its numerical range

J. Maroulas, P. Psarrakos, A. Markus, 1998 .