By making use of a special Lyapunov-Krasovskii functional and applying Krasovskii’s properties, we prove instability of zero solution of a modified vector Lienard equation with multiple constant delays that includes Van der Pol, Rayleigh and Lienard equations, widely encountered in applications.
@article{1147,
title = {Instability to vector lienard equation with multiple delays},
journal = {CUBO, A Mathematical Journal},
volume = {17},
year = {2015},
language = {en},
url = {http://dml.mathdoc.fr/item/1147}
}
Tunc, Cemil. Instability to vector lienard equation with multiple delays. CUBO, A Mathematical Journal, Tome 17 (2015) 9 p. http://gdmltest.u-ga.fr/item/1147/