Oscillation Theorems for Nonlinear Second Order Elliptic Equations

Author: Xu Zhi-ting  

Publisher: Springer Publishing Company

ISSN: 0168-9673

Source: Acta Mathematicae Applicatae Sinica, Vol.23, Iss.4, 2007-10, pp. : 569-578

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Abstract

Some oscillation theorems are given for the nonlinear second order elliptic equation The results are extensions of modified Riccati techniques and include recent results of Usami.