scholarly journals Forced oscillation of second-order nonlinear differential equations with positive and negative coefficients

2011 ◽  
Vol 24 (7) ◽  
pp. 1225-1230 ◽  
Author(s):  
A. Özbekler ◽  
J.S.W. Wong ◽  
A. Zafer
Keyword(s):  
Differential Equations ◽  
Forced Oscillation ◽  
Nonlinear Differential Equations ◽  
Second Order ◽  
Positive And Negative Coefficients

scholarly journals On some boundary value problems for second order nonlinear differential equations

2012 ◽  
Vol 137 (2) ◽  
pp. 113-122 ◽  
Author(s):  
Zuzana Došlá ◽  
Mauro Marini ◽  
Serena Matucci
Keyword(s):  
Differential Equations ◽  
Boundary Value Problems ◽  
Nonlinear Differential Equations ◽  
Boundary Value ◽  
Second Order

scholarly journals Oscillation theorems for second order nonlinear differential equations with deviating arguments

1987 ◽  
Vol 10 (1) ◽  
pp. 35-45 ◽  
Author(s):  
S. R. Grace ◽  
B. S. Lalli
Keyword(s):  
Differential Equations ◽  
Nonlinear Differential Equations ◽  
Second Order ◽  
Oscillatory Behaviour ◽  
Deviating Arguments ◽  
Oscillation Criteria ◽  
Oscillation Theorems

New oscillation criteria for the oscillatory behaviour of the differential(a(t)x·(t)) ·+p(t)x·(t)+q(t)f(x[g(t)])=0                ,( · =ddt)and(a(t)ψ(x(t))x·(t)) ·+p(t)x·(t)+q(t)f(x[g(t)])=0,are established

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