Some properties of solutions to a planar system of nonlinear differential equations
DOI:
https://doi.org/10.24193/subbmath.2018.2.06Keywords:
Nonlinear second order differential system, extremal principle, zeros of solutions, Sturm-type theorem, Nicolescu-type theorem, Butlewski-type theorem.Abstract
In this paper we present for the solutions of a planar system of differential equations, extremal principle, Nicolescu-type and Butlewski-type separation theorems. Some applications and examples are given.
Mathematics Subject Classification (2010): 34A12, 34C10, 34A34.
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