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arxiv: 0705.3516 · v3 · submitted 2007-05-24 · 🧮 math.CA · math.FA

On a generalized Sturm theorem

classification 🧮 math.CA math.FA
keywords ordersturmtheoremcoefficientequationsgeneralizedleadingoscillation
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Sturm oscillation theorem for second order differential equations was generalized to systems and higher order equations with positive leading coefficient by several authors. What we propose here is a Sturm oscillation theorem for systems of even order having strongly indefinite leading coefficient.

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