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Averaging techniques and oscillation of quasilinear elliptic equations

Zhi-Ting Xu, Bao-Guo Jia, Shao-Yuan Xu (2004)

Annales Polonici Mathematici

By using averaging techniques, some oscillation criteria for quasilinear elliptic differential equations of second order i , j = 1 N D i [ A i j ( x ) | D y | p - 2 D j y ] + p ( x ) f ( y ) = 0 are obtained. These results extend and generalize the criteria for linear differential equations due to Kamenev, Philos and Wong.

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