Title of article :
Jℓ-unitary factorization and the Schur algorithm for Nevanlinna functions in an indefinite setting
Author/Authors :
D. Alpay، نويسنده , , A. Dijksma، نويسنده , , H. Langer، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 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.
Keywords :
Generalized Nevanlinna functions , Kernels with negative squares , Schur transformation , Reproducing kernel Pontryagin spaces , Elementary rational matrix functions , J-unitarity on the real line , Minimal factorizations
Journal title :
Linear Algebra and its Applications
Journal title :
Linear Algebra and its Applications