We consider a certain second-order nonlinear delay differential equation and prove that the all solutions oscillate when proper impulse controls are imposed. An example is given. (c) 2006 Elsevier Ltd. All rights reserved.
机构:
Cent S Univ, Sch Math Sci & Computat Technol, Changsha 410075, Hunan, Peoples R ChinaCent S Univ, Sch Math Sci & Computat Technol, Changsha 410075, Hunan, Peoples R China
机构:
Cent S Univ, Sch Math Sci & Computat Technol, Changsha 410075, Hunan, Peoples R ChinaCent S Univ, Sch Math Sci & Computat Technol, Changsha 410075, Hunan, Peoples R China