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Potentially K3,s-ke Graphical Sequences
Author(s): CHEN Gang
Pages: 164-
171
Year: 2006
Issue:
3
Journal: GUANGXI SCIENCES
Keyword: 图; 度序列; 蕴含; 几乎完全二部图;
Abstract: 考虑经典Turán型问题的变形:确定最小的正偶数σ(Kr,s-ke,n),s≥r≥k≥1,使得对于每一个n项可图序列π=(d1,d2,…,dn),当σ(π)=d1+d2+…+dn≥σ(Kr,s-ke,n)时,π是蕴含几乎完全二部图Kr,s-ke可图的,即Kr,s-ke是从完全二部图Kr,s中删去k条边后所得的图,而这k条边构成Kr,s的一匹配.然后确定出当r=3,s≥4且n充分大时,σ(Kr,s-ke,n)的值.
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