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math.CO2026
Navigating Posets with Few Maps
Stefan Felsner, Jędrzej Hodor, Giacomo Ortali +1
We study two new parameters for finite posets motivated by the problem of efficiently determining the set of successors of a given element. A plane map of a poset is a…
cs.CG2026
Grounded String Representations of Series-Parallel Graphs without Transitive Edges
Sabine Cornelsen, Jan Kratochvíl, Miriam Münch +3
In a {\em grounded string representation} of a graph there is a horizontal line and each vertex is represented as a simple curve below with one end point on su…