New oscillation criteria of second-order nonlinear differential equations |
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| Authors: | Qi Long |
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| Affiliation: | Department of Mathematics, Sun Yat-Sen University, 135 Xinguang Xi Lu, Guangzhou, Guangdong 510275, PR China |
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| Abstract: | By employing a class of new functions Φ=Φ(t,s,l) and a generalized Riccati technique, some new oscillation and interval oscillation criteria are established for the second-order nonlinear differential equation (r(t)y′(t))′+Q(t,y(t),y′(t))=0. |
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| Keywords: | Nonlinear differential equations Second-order Oscillation Interval criteria Generalized Riccati technique |
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