scholarly journals Existence Theorems of Periodic Solutions for Second-Order Nonlinear Difference Equations

2008 ◽  
Vol 2008 (1) ◽  
pp. 247071 ◽  
Author(s):  
Xiaochun Cai ◽  
Jianshe Yu
Keyword(s):  
Periodic Solutions ◽  
Difference Equations ◽  
Existence Theorems ◽  
Second Order ◽  
Nonlinear Difference Equations

scholarly journals Periodic Solutions for a System of Difference Equations

2009 ◽  
Vol 2009 ◽  
pp. 1-9 ◽  
Author(s):  
Shugui Kang ◽  
Bao Shi
Keyword(s):  
Nonlinear Systems ◽  
Critical Point ◽  
Periodic Solutions ◽  
Difference Equations ◽  
Critical Point Theory ◽  
Existence Theorems ◽  
Point Theory ◽  
Second Order ◽  
System Of Difference Equations

This paper deals with the second-order nonlinear systems of difference equations, we obtain the existence theorems of periodic solutions. The theorems are proved by using critical point theory.

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