ON THE QUALITATIVE BEHAVIOR OF THE SOLUTIONS FOR A KIND OF NONLINEAR THIRD ORDER DIFFERENTIAL EQUATIONS WITH A RETARTED ARGUMENT


Tunc C.

ANALELE STIINTIFICE ALE UNIVERSITATII OVIDIUS CONSTANTA-SERIA MATEMATICA, cilt.17, sa.2, ss.215-230, 2009 (SCI-Expanded) identifier

Özet

In this paper, by defining a Lyapunov functional, we discuss the stability and the boundedness of the solutions for nonlinear third order delay differential equations of the type: