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math.CO2023
Bounding mean orders of sub--trees of -trees
Stijn Cambie, Bradley McCoy, Stephan Wagner +1
For a -tree , we prove that the maximum local mean order is attained in a -clique of degree and that it is not more than twice the global mean order. We also bound the…
cs.CG2023
From Curves to Words and Back Again: Geometric Computation of Minimum-Area Homotopy
Hsien-Chih Chang, Brittany Terese Fasy, Bradley McCoy +2
Let be a generic closed curve in the plane. Samuel Blank, in his 1967 Ph.D. thesis, determined if is self-overlapping by geometrically constructing a combinatorial word fro…