MMN-4477
A polynomial system of degree four with an invariant triangle containing at least four small amplitude limit cycles
Iván Szántó;Abstract
In this work, the existence of a polynomial system of degree four with an invariant triangle containing at least four small-amplitude limit cycles is proved.
This result improves the result obtained in [2].
Vol. 25 (2024), No. 1, pp. 489-492