Oscillation of higher order neutral functional difference equations with positive and negative coefficients |
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| Authors: | R N Rath B L S Barik S K Rath |
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| Institution: | 1.Department of Mathematics,Veer Surendra Sai University of Technology, BURLA,Sambalpur,India;2.Department of Mathematics,K. I. S. T,Bhubaneswar,India;3.Department of M. C. A,Gandhi Eng. College,Bhubaneswar,India |
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| Abstract: | Sufficient conditions are obtained so that every solution of the neutral functional difference equation
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$
\Delta ^m (y_n - p_n y_{\tau (n)} ) + q_n G(y_{\sigma (n)} ) - u_n H(y_{\alpha (n)} ) = f_n ,
$
\Delta ^m (y_n - p_n y_{\tau (n)} ) + q_n G(y_{\sigma (n)} ) - u_n H(y_{\alpha (n)} ) = f_n ,
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