New oscillation theorems for a class of second-order damped nonlinear differential equations |
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Authors: | E Tunç H Avc? |
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Institution: | 1.Gaziosmanpa?a University,Tokat,Turkey;2.Ondokuz May?s University,Samsun,Turkey |
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Abstract: | Some new oscillation criteria are established for the nonlinear damped differential equation
( x,x' ) )^ + p( t )k_2( x,x' )x' + q( t )f( x( t ) ) = 0,t t_0.{\left( {r\left( t \right){k_1}\left( {x,x'} \right)} \right)^\prime } + p\left( t \right){k_2}\left( {x,x'} \right)x' + q\left( t \right)f\left( {x\left( t \right)} \right) = 0,t \ge {t_0}. |
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