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Fragmenting any Parallelepiped into a Signed Tiling. [PDF]

open access: yesDiscrete Comput Geom
Doolittle J, McDonough A.
europepmc   +1 more source

Combinatorics on Words: 12th International Conference, WORDS 2019, Loughborough, UK, September 9–13, 2019, Proceedings

Words, 2019
The abelian critical exponent of an infinite word $w$ is defined as the maximum ratio between the exponent and the period of an abelian power occurring in $w$. It was shown by Fici et al.
J. Peltomäki, Markus Alan Whiteland
semanticscholar   +1 more source

Digital Convexity and Combinatorics on Words

Words
An upward (resp. downward) digitally convex word is a binary word that best approximates from below (resp. from above) an upward (resp. downward) convex curve in the plane.
A. D. Luca, G. Fici, Andrea Frosini
semanticscholar   +1 more source

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