Existence and uniqueness of periodic solutions for a kind of Duffing equation with two deviating arguments
Bingwen Liu (2006)
Annales Polonici Mathematici
Similarity:
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).