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Published in:
2007 | OriginalPaper | Chapter
Quasi-commutativity of Entire Matrix Functions and the Continuous Analogue of the Resultant
Authors : I. Gohberg, M. A. Kaashoek, L. Lerer
Published in: Modern Operator Theory and Applications
Publisher: Birkhäuser Basel
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This paper is an addition to the paper [
3
], where it was proved that the theorem about the null space of the classical Sylvester resultant matrix also holds for its continuous analogue for entire matrix function provided that a certain so-called quasi-commutativity condition is fulfilled. In the present paper we show that this quasi-commutativity condition is not only sufficient but also necessary.