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math.CO2026
On fixing and distinguishing numbers of trees
Calum Buchanan, Peter Dankelmann, Isabel Harris +3
A graph is -distinguishable if there is a labeling of its vertices with labels such that the only automorphism of which preserves the labeling is the identity. The d…
math.CO2024
Geochromatic Number when Crossings are Independent
Debra Boutin, Alice Dean
A geometric graph, , is a graph drawn in the plane, with straight line edges and vertices in general position. A geometric homomorphism between two geometric graphs $…