Sufficient conditions for the monotonicity of the sequences of the absolute values of all local extrema of components of a two-dimensional systems are obtained.
Submitted May 5, 2015. Published August 31, 2015.
Math Subject Classifications: 34C10, 34C15, 34D05.
Key Words: Monotonicity; oscillatory solutions; two-dimensional systems.
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| Miroslav Bartusek |
Faculty of Science, Masaryk University Brno
Kotlarska 2, 611 37 Brno, Czech Republic
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