The Gohberg Anniversary Collection

Editorial Preface.- A: The Calgary Conference, honoring Israel Gohberg.- Portrait I. Gohberg.- Acknowledgements.- The Calgary Conference Program.- B: Papers on Matrix Theory and its Applications.- Some matrix inequalities in multiport network connections.- Complementary triangular forms of upper triangularToeplitz matrices.- Comparing a matrix to its off-diagonal part.- Ranks of completions of partial matrices.- Finite dimension problems in operator theory.- Matrices with displacement structure, generalized Bézoutians, and Moebius transformations.- Generalized Gohberg-Semencul formulas for matrix inversion.- Variational properties and Rayleigh quotient algorithms for symmetric matrix pencils.- The matrix quadratic equation and factorization of matrix polynomials.- Inversion of partially specified positive definite matrices by inverse scattering.- Fast and efficient parallel inversion of Toeplitz and block Toeplitz matrices.- Stability of invariant lagrangian subspaces II.- On strong ?-stability of invariant subspaces of matrices.- On classification of invariant subspaces of a linear operator.- On the inverse of block tridiagonal matrices with applications to the inverses of band matrices and block band matrices.- Divisibility relations satisfied by the invariant factors of a matrix product.- Duality methods for the boundary control of some evolution equations.- Unitary extensions of isometries and contractive intertwining dilations.- Factorization and general properties of nonlinear Toeplitz operators.- Quasilocal algebras over index sets with a minimal condition.- The analogue of Kuroda's theorem for n-tuples.- The geometry of representing measures and their critical values.- Boundary element analysis of a direct method for the biharmonic Dirichlet problem.-Nonlinear lifting theorems, integral representations and stationary processes in algebraic scattering systems.- Characteristic functions of unitary colligations and of bounded operators in Krein spaces.- Differential operators of fractional order and boundary value problems in the complex domain.- On reproducing kernel spaces, J unitary matrix functions, interpolation and displacement rank.- On asymptotic Toeplitz and Hankel operators.- Iterative commutant lifting for systems with rational symbol.- On the reduction of coercive singular perturbations to regular perturbations.- Averaging techniques for the transport operator and an existence theorem for the BGK equation in kinetic theory.- Factorization of nonlinear system.- Minimal lower separable representations: characterization and construction.- On the inclination of hyperinvariant subspaces of C11-contractions.- Unimodular Möbius-invariant contractive divisors for the Bergman space.- Trigonometric approximation of solutions of periodic pseudodifferential equations.- Wiener-Hopf factorization of certain non-rational matrix functions in mathematical physics.- Classes of operator monotone functions ans Stieltjes functions.- A unified approach to function models, and the transcription problem.- Quadrature methods for strongly elliptic Cauchy singular integral equations on an interval.- General Wiener-Hopf operators and representation of their generalized inverses.- Exposed points in H1, I.- Geometrical properties of a unit sphere of the operator spaces in Lp.- C*-algebras of Crystal groups.- On Wiener-Hopf determinants.