Abstract
In the upper bound graph of a poset $P$ with the vertex set $V(P)$, $xy$ is an edge if there exists an $m\in V(P)$ such that $x,y\leq_P m$. We obtain some properties of edge operations of UB-graphs. According to these properties, we consider transformations on split UB-graphs.
Citation
Satoshi TAGUSARI. "On Upper Bound Graphs with Edge Operations." Tokyo J. Math. 31 (2) 533 - 540, December 2008. https://doi.org/10.3836/tjm/1233844068
Information
