The t-onion star is the digraph obtained from a star with 2t leaves by
r...
For a fixed simple digraph H without isolated vertices, we consider the
...
Tuza famously conjectured in 1981 that in a graph without k+1 edge-disjo...
Tree-cut width is a graph parameter introduced by Wollan that is an anal...
A permutation graph can be defined as an intersection graph of segments ...