Nonuniform Conditions for Periodic Solutions of Forced Liénard Systems with Distinct Delays
Giuseppe Conti
Università degli Studi di Firenze, ItalyR. Iannacci
Università di Roma La Sapienza, ItalyM.N. Nkashama
Université Catholique de Louvain, Louvain-la-Neuve, Belgium
Abstract
We use classical Leray-Schauder techniques and the coincidence degree in order to obtain the existence or periodic solutions of forced Liénard systems with distinct delays, under nonuniform conditions. The resonance and nonresonance case with respect to the eigenvalue zero are considered.
Cite this article
Giuseppe Conti, R. Iannacci, M.N. Nkashama, Nonuniform Conditions for Periodic Solutions of Forced Liénard Systems with Distinct Delays. Z. Anal. Anwend. 6 (1987), no. 4, pp. 289–300
DOI 10.4171/ZAA/251