scholarly journals Oscillation theorems for differential equations with a nonlinear damping term

2003 ◽  
Vol 279 (1) ◽  
pp. 121-134 ◽  
Author(s):  
Svitlana P. Rogovchenko ◽  
Yuri V. Rogovchenko
1995 ◽  
Vol 26 (1) ◽  
pp. 49-58
Author(s):  
E. THANDAPANI ◽  
S. PANDIAN

Some new sufficient conditions for the oscillation of the nonlinear damped second order difference equations of the form \[\Delta^2 y_n+p_n\phi(y_n, \Delta y_n)+q_nf(y_{n+1})g(\Delta y_n)=0\] are given.


2020 ◽  
Vol 2020 (1) ◽  
Author(s):  
Osama Moaaz ◽  
George E. Chatzarakis ◽  
Thabet Abdeljawad ◽  
Clemente Cesarano ◽  
Amany Nabih

Abstract The aim of this work is to improve the oscillation results for second-order neutral differential equations with damping term. We consider the noncanonical case which always leads to two independent conditions for oscillation. We are working to improve related results by simplifying the conditions, based on taking a different approach that leads to one condition. Moreover, we obtain different forms of conditions to expand the application area. An example is also given to demonstrate the applicability and strength of the obtained conditions over known ones.


SpringerPlus ◽  
2014 ◽  
Vol 3 (1) ◽  
Author(s):  
Ambarka A Salhin ◽  
Ummul Khair Salma Din ◽  
Rokiah Rozita Ahmad ◽  
Mohd Salmi Md Noorani

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