Oscillation Theorems for Damped Differential Equations of Even Order with Deviating Arguments

1984 ◽  
Vol 15 (2) ◽  
pp. 308-316 ◽  
Author(s):  
S. R. Grace ◽  
B. S. Lalli
2013 ◽  
Vol 2013 ◽  
pp. 1-10
Author(s):  
Chunxia Gao ◽  
Peiguang Wang

A class of even order damped differential equations with distributed deviating arguments are investigated. Several new criteria that ensure the oscillation of solutions are obtained. To demonstrate the validity of the results obtained, two examples are given.


Author(s):  
S. R. Grace ◽  
B. S. Lalli

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


2000 ◽  
Vol 7 (4) ◽  
pp. 745-752
Author(s):  
Wei Nian Li

Abstract Sufficient conditions are established for the oscillation of even order neutral differential equations with deviating arguments of the form where n ≥ 2 is an even integer. These results are illustrated by some examples.


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