In this paper, the existence of large cycles in 2-connected triangle-free graphs is discussed.
研究了2连通无三角形图中长圈的存在性。
In the last chapter, we discuss the longest cycle of 2-connected quasi claw-free graphs.
第六章中我们讨论了2 -连通半无爪图的最长圈。
In second chapter, we discuss the trace-ability of 2-connected (K_(1,4); 2)-graphs;
在第二章中，我们讨论了2-连通（K_（1，4）；2）-图的可迹性；
In second chapter, we discuss the trace-ability of 2-connected (K_(1,4); 2)-graphs;
在第二章中，我们讨论了2-连通（K_（1，4）；2）-图的可迹性；
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