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A Picone type identity for second-order half-linear differential equations. (English) Zbl 0926.34023

Summary: A Picone-type identity for half-linear differential equations of second order is derived and a Sturmian theory for both forced and unforced half-linear and quasilinear equations based on this identity is developed.

MSC:

34C10 Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations
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