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math.CO2025
Formulas and Upper Bounds for the Carath{é}odory Number of Hamming Graphs
Ezequiel Dratman, Lucía M. González, Luciano N. Grippo
Let be a simple graph and let be a subset of its vertices. We say that is -convex if every vertex that has at least two neighbors in also belongs…
math.CO2020
Formulas in connection with parameters related to convexity of paths on three vertices: caterpillars and unit interval graphs
Lucía M. González, Luciano N. Grippo, Martín D. Safe
We present formulas to compute the P3-geodetic number, the P3-hull number and the percolation time for a caterpillar, in terms of certain sequences associated with it. In addition,…