We use the coincidence degree to establish new results on the existence and uniqueness of T-periodic solutions for a kind of Duffing equation with two deviating arguments of the form x'' + Cx'(t) + g₁(t,x(t-τ₁(t))) + g₂(t,x(t-τ₂(t))) = p(t).
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-ap89-3-2,
author = {Bingwen Liu},
title = {Existence and uniqueness of periodic solutions for a kind of Duffing equation with two deviating arguments},
journal = {Annales Polonici Mathematici},
volume = {89},
year = {2006},
pages = {247-258},
zbl = {1117.34066},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ap89-3-2}
}
Bingwen Liu. Existence and uniqueness of periodic solutions for a kind of Duffing equation with two deviating arguments. Annales Polonici Mathematici, Tome 89 (2006) pp. 247-258. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ap89-3-2/