Liapunov exponents for higher-order linear differential equations whose characteristic equations have variable real roots.
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Limit cycles in the Holling-Tanner model.
Armengol Gasull, Robert E. Koolj, Joan Torregrosa (1997)
Publicacions Matemàtiques
This paper deals with the following question: does the asymptotic stability of the positive equilibrium of the Holling-Tanner model imply it is also globally stable? We will show that the answer to this question is negative. The main tool we use is the computation of Poincaré-Lyapunov constants in case a weak focus occurs. In this way we are able to construct an example with two limit cycles.
Lyapunov numbers for a countable system of ordinary differential equations
A. F. Izé (1990)
Annales Polonici Mathematici
Currently displaying 1 – 3 of 3
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