J-Unitary Factorization and the Schur Algorithm for Nevanlinna Functions in an Indefinite Setting

Authors

Daniel Alpay, Chapman UniversityFollow
A. Dijksma, University of Groningen
H. Langer, Vienna University of Technology

Document Type

Article

Publication Date

2006

Abstract

We introduce a Schur transformation for generalized Nevanlinna functions and show that it can be used in obtaining the unique minimal factorization of a class of rational Jℓ-unitary 2 × 2 matrix functions into elementary factors from the same class.

Comments

This article was originally published in Linear Algebra and its Applications, volume 419, in 2006. DOI: 10.1016/j.laa.2006.06.010

Recommended Citation

D. Alpay, A. Dijksma and H. Langer, J-unitary factorization and the Schur algorithm for Nevanlinna functions in an indefinite setting. Linear algebra and applications, vol. 419 (2006) 675-709.

Peer Reviewed

1

Copyright

Elsevier