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cs.CG2026
Towards the Recognition of Oriented Interval Graphs
Lukas P. Bachmann, Jiří Fiala, Miriam Münch +3
Oriented interval graphs, a recent generalization of interval graphs introduced by Gutowski et al. [GD 2022], are intersection graphs of intervals, each of which is oriented either…
math.CO2026
Two Results on Outer-String Graphs
Todor Antić, Vít Jelínek, Jan Kratochvíl +1
An \emph{outer-string representation} of a graph is an intersection representation of where vertices are represented by curves (strings) inside the unit disk and each curve…