On Sturmian theory for second order systems

Shair Ahmad

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Source: Crossref

Published: Apr 1, 1983

DOI: 10.1090/s0002-9939-1983-0687636-8

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Source abstract

A generalization of the Sturm Comparison Theorem is given to nonselfadjoint second order linear systems. In addition, a theorem, involving the existence of a solution with strictly positive components, is proven. Counterexamples are given to show that the theorems are false without the stated assumptions.

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