Communications of the
Korean Mathematical Society CKMS

ISSN(Print) 1225-1763 ISSN(Online) 2234-3024
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Commun. Korean Math. Soc. 2018; 33(1): 197-205

Online first article September 4, 2017      Printed January 31, 2018

https://doi.org/10.4134/CKMS.c170117

Copyright © The Korean Mathematical Society.

The degree and the coprime-ness for matrix-valued rational functions

An-Hyun Kim, In Hyoun Kim

Changwon National University, Incheon National University

Abstract

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In this note we give a relationship between the degree and coprime-ness of matrix-valued rational functions.

Keywords: block Toeplitz operators, block Hankel operators, matrix-valued rational functions, degree, coprime

MSC numbers: Primary 47B35, 15A60

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