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Oscillation Theorems for Quasilinear Elliptic Differential Equations
oscillation quasilinear elliptic equation second order vector Riccati transformation
2007/12/13
By using vector Riccati transformation and averaging technique, some oscillation criteria for the quasilinear elliptic differential equation of second order, $$ \sum_{i, j=1}^{N}D_i[\,\Psi(y) A_{ij}(x...