Abstract
We consider the nonautonomous differential equation of second order $x''- a(t)x+b(t) x^2+c(t)x^{3}=0$, where $a(t),b(t),c(t)$ are $T$-periodic functions. This is a biomathematical model of an aneurysm in the circle of Willis. We prove the existence of at least two $T$-periodic solution for this equation, using coincidence degree theories.
Citation
Anderson L. A. de Araujo. Kennedy Martins Pedroso. "Multiple Periodic solutions and Positive Homoclinic Solution for a differential equation." Bull. Belg. Math. Soc. Simon Stevin 20 (3) 535 - 546, august 2013. https://doi.org/10.36045/bbms/1378314514
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