A tree must be acyclic, meaning it should not contain any cycles. A cycle is a path that starts and ends at the same vertex ...
One of the highlights in the Robertson-Seymour theory on graph minors is the finiteness (for each fixed surface S) of the set of the minimal forbidden minors for S. Theorem 7.0.1 (Robertson and ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback