scholarly journals Oscillation and Nonoscillation Criteria for Second Order Nonlinear Differential Equations, I

1993 ◽  
Vol 179 (1) ◽  
pp. 14-27 ◽  
Author(s):  
M.M.A. Elsheikh
2001 ◽  
Vol 32 (2) ◽  
pp. 95-102
Author(s):  
Jiang Jianchu

New oscillation and nonoscillation theorems are obtained for the second order nonlinear differential equation $$ (|u'(t)|^{\alpha -1} u'(t))' + p(t)|u(t)|^{\alpha -1} u(t) = 0 $$ where $ p(t) \in C [0, \infty) $ and $ p(t) \ge 0 $. Conditions only about the integrals of $ p(t) $ on every interval $ [2^n t_0, 2^{n+1} t_0] $ ($ n = 1, 2, \ldots $) for some fixed $ t_0 >0 $ are used in the results.


1997 ◽  
Vol 4 (2) ◽  
pp. 129-138
Author(s):  
A. Lomtatidze

Abstract Sufficient conditions for oscillation and nonoscillation of second-order linear equations are established.


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