Title of article :
A note on construction of upper bound graphs
Author/Authors :
Era، نويسنده , , Hiroshi and Iwai، نويسنده , , Shin-ichi and Ogawa، نويسنده , , Kenjiro and Tsuchiyao، نويسنده , , Morimasa، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2002
Abstract :
In this paper, we consider construction of upper bound graphs. An upper bound graph can be transformed into a nova by contractions and a nova can be transformed into an upper bound graph by splits. These results include a characterization on upper bound graphs.
Keywords :
contraction , upper bound graph , POSET
Journal title :
Electronic Notes in Discrete Mathematics
Journal title :
Electronic Notes in Discrete Mathematics