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math.CO2022★ 1 cited
Ubiquity of oriented rays
Florian Gut, Thilo Krill, Florian Reich
Call a digraph \emph{ubiquitous} if every digraph that contains vertex-disjoint copies of for every also contains infinitely many vertex-disjoint…
math.CO2022
End spaces and tree-decompositions
Marcel Koloschin, Thilo Krill, Max Pitz
We present a systematic investigation into how tree-decompositions of finite adhesion capture topological properties of the space formed by a graph together with its ends. As main…
math.CO2022
Universal graphs for the topological minor relation
Thilo Krill
A subgraph-universal graph/a topological minor-universal graph in a class of graphs is a graph in which contains every graph in as a subgr…