I
Israel Gohberg
Researcher at Tel Aviv University
Publications - 456
Citations - 18760
Israel Gohberg is an academic researcher from Tel Aviv University. The author has contributed to research in topics: Matrix (mathematics) & Matrix function. The author has an hindex of 54, co-authored 456 publications receiving 18177 citations. Previous affiliations of Israel Gohberg include Bar-Ilan University & VU University Amsterdam.
Papers
More filters
Book
Metric Constrained Interpolation, Commutant Lifting and Systems
TL;DR: In this paper, a general completion theorem is applied to interpolation parameterization of all solutions of the three-chains completion problem, and a nonstationary interpolation and time-varying system is presented.
Journal ArticleDOI
Complexity of multiplication with vectors for structured matrices
Israel Gohberg,Vadim Olshevsky +1 more
TL;DR: Fast algorithms for computing the product with a vector are presented for a number of classes of matrices whose properties relate to the properties of Toeplitz, Vandermonde, or Cauchy matrices and also for their inverses, involving factor circulants.
Journal ArticleDOI
The band method for positive and strictly contractive extension problems: An alternative version and new applications
TL;DR: In this paper, the band method for positive and strictly contractive extension problems is deduced from a new set of axioms, and applications concern extension problems for operator-valued functions in the Wiener class and for certain infinite operator matrices.
Book ChapterDOI
Unitary Rational Matrix Functions
Daniel Alpay,Israel Gohberg +1 more
TL;DR: In this article, the theory of realization and minimal factorization of rational matrix valued functions unitary on the unit circle or on the imaginary line is presented in the framework of a indefinite scalar product.
Journal ArticleDOI
Time varying linear systems with boundary conditions and integral operators. I. The transfer operator and its properties
TL;DR: In this paper, a general theory of systems with boundary conditions is developed which includes a detailed study of minimality and minimal factorization, and for discrete systems an analogous theory is developed.