3 papers
math.CO2024
Erdős-Pósa property of tripods in directed graphs
Marcin Briański, Meike Hatzel, Karolina Okrasa +1
Let be a directed graphs with distinguished sets of sources and sinks . A tripod in is a subgraph consisting of the union of two --…
math.CO2021
Reconfiguring Independent Sets on Interval Graphs
Marcin Briański, Stefan Felsner, Jędrzej Hodor +1
We study reconfiguration of independent sets in interval graphs under the token sliding rule. We show that if two independent sets of size are reconfigurable in an -vertex i…
math.CO2020
Erdős-Hajnal properties for powers of sparse graphs
Marcin Briański, Piotr Micek, Michał Pilipczuk +1
We prove that for every nowhere dense class of graphs , positive integer , and , the following holds: in every -vertex graph from $\mathcal{C}…