Title of article :
Cohen–Macaulay chordal graphs
Author/Authors :
Herzog، نويسنده , , Jürgen and Hibi، نويسنده , , Takayuki and Zheng، نويسنده , , Xinxian، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2006
Abstract :
We classify all Cohen–Macaulay chordal graphs. In particular, it is shown that a chordal graph is Cohen–Macaulay if and only if it is unmixed.
Keywords :
Graph ideals , Vertex covers , chordal graphs , Unmixedness , Cohen–Macaulay rings
Journal title :
Journal of Combinatorial Theory Series A
Journal title :
Journal of Combinatorial Theory Series A