Oscillation criteria for second order nonlinear differential equations

Blanka Baculikova

Department of Mathematics FEI, Technical University, B. Nemcovej  32, 042 00  Kosice,  Slovak Republic


E-mail:  Blanka.Baculikova@tuke.sk


Our aim in this paper is to present criteria for oscillation of the nonlinear differential equation $$ u^{\prime\prime}(t)+p(t)f\big(u(g(t))\big)=0\,.$$   The obtained oscillatory criteria improve existing ones.

AMSclassification. Primary: 34C10,34K11

Keywords. Oscillatory solution.