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math.CO2025
Balanced Gray Codes for Permutations and Rainbow Cycles for Associahedra
Robert Lauff, Lucca Tiemens
We settle the problem of constructing a balanced transposition Gray code for permutations of with . More generally, we obta…
cs.CG2025
On Triangular Separation of Bichromatic Point Sets
Helena Bergold, Arun Kumar Das, Robert Lauff +3
We address the problem of computing the minimum number of triangles to separate a set of blue points from a set of red points in . A set of triangles is a \emph{separ…