Limit cycles and invariant algebraic curves

Fuente: arXiv
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Main Authors: Gasull, Armengol, Santana, Paulo
Format: Preprint
Published: 2025
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author Gasull, Armengol
Santana, Paulo
author_facet Gasull, Armengol
Santana, Paulo
contents We give lower bounds in terms of~$n,$ for the number of limit cycles of polynomial vector fields of degree~$n,$ having any prescribed invariant algebraic curve. By applying them when the ovals of this curve are also algebraic limit cycles we obtain a new recurrent property for the Hilbert numbers. Finally, we apply our results to two important families of models: Kolmogorov systems and a general family of systems appearing in Game Theory.
format Preprint
id arxiv_https___arxiv_org_abs_2510_11705
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Limit cycles and invariant algebraic curves
Gasull, Armengol
Santana, Paulo
Dynamical Systems
We give lower bounds in terms of~$n,$ for the number of limit cycles of polynomial vector fields of degree~$n,$ having any prescribed invariant algebraic curve. By applying them when the ovals of this curve are also algebraic limit cycles we obtain a new recurrent property for the Hilbert numbers. Finally, we apply our results to two important families of models: Kolmogorov systems and a general family of systems appearing in Game Theory.
title Limit cycles and invariant algebraic curves
topic Dynamical Systems
url https://arxiv.org/abs/2510.11705