Induced Trees in Triangle-Free Graphs

نویسندگان

  • Jirí Matousek
  • Robert Sámal
چکیده

We prove that every connected triangle-free graph on n vertices contains an induced tree on exp(c √ log n ) vertices, where c is a positive constant. The best known upper bound is (2 + o(1)) √ n. This partially answers questions of Erdős, Saks, and Sós and of Pultr.

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عنوان ژورنال:
  • Electronic Notes in Discrete Mathematics

دوره 29  شماره 

صفحات  -

تاریخ انتشار 2007