Frequent Oscillation Criteria for a Delay Difference Equation 1
Chuan-Jun Tian, Sui Sun Cheng, and Sheng-Li Xie
This paper is concerned with the linear delay difference equation
is a nonnegative integer and
is a real
sequence. Sufficient conditions for this equation to be frequently
oscillatory are derived.
AMS Subject Classification : 39A10
Key Words: Difference equation, Frequent oscillation.