A note on the existence of periodic solutions of a differential-difference equation of mixed type

1973 ◽  
Vol 4 (4) ◽  
pp. 329-334 ◽  
Author(s):  
F. J. Burkowski
Author(s):  
Yongshao Chen

AbstractIn this paper, we study the existence of periodic solutions of the NDDE (neutral differential difference equation):where τ > 0 and c is a real number. We obtain a sufficient condition under which (*) has at least k nonconstant oscillatory periodic solutions.


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