Browsing by Subject "Periodic solution"

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Existence and uniqueness of solutions for neutral periodic integro-diferential equations with infnite delay

Yankson, Ernest (University of Cape Coast, 2016)

We prove the existence of solutions for the neutral periodic integro-diferential equation with infnite delay x 0 ( t) = G(t, x(t), x(t − τ (t))) + d dt Q(t, x(t − τ (t))) + Z t −∞ Xn j=1 gj (t, s) x(t + T) ...
Periodicity in a System of differential equations with finite delay

Yankson, Ernest (University of Cape Coast, 2013)

The existence and uniqueness of a periodic solution of the system of diferential equations ddtx(t) = A(t)x(t − τ ) are proved. In particular the Krasnoselskii’s fxed point theorem and the contraction mapping principle are ...

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