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math.CO2025
Domination number of Token Graphs
Ruy Fabila-Monroy, Sergio Gerardo Gómez-Galicia
The -token graph of is the graph, , whose vertices are all the -subsets of ; with two of them adjacent whenever their symmetric difference is a pair of adja…
cs.CG2025
The Euclidean -Matching Problem is NP-hard
José-Miguel Díaz-Báñez, Ruy Fabila-Monroy, José-Manuel Higes-López +3
Let be a complete edge-weighted graph on vertices. To each subset of vertices of assign the cost of the minimum spanning tree of the subset as its weight. Suppose that…