A Degree Condition for the Circumference of a Graph
Received:January 08, 1998  
Key Words: path   circumference  key-pair.  
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Author NameAffiliation
ZHU Yong-jin Institute of Systems Science, Academia Sinica, Beijing 100080, China 
ZHOU Jie Dept. of Math., Northeast Normal Univ., Changchun, Jilin 130024, China 
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      We present a new condition on the degree sums of a graph that implies the existence of a long cycle. Our result is a generalization of the previous one of N.Dean and P. Fraiss.
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