3 papers
cs.CG2026
Lozenge Tiling by Computing Distances
Jean-Marie Favreau, Yan Gerard, Pascal Lafourcade +1
The Calisson puzzle is a tiling puzzle in which one must tile a triangular grid inside a hexagon with lozenges, under the constraint that certain prescribed edges remain tile bound…
cs.CG2023
The Calissons Puzzle
Jean-Marie Favreau, Yan Gerard, Pascal Lafourcade +1
In 2022, Olivier Longuet, a French mathematics teacher, created a game called the \textit{calissons puzzle}. Given a triangular grid in a hexagon and some given edges of the grid,…
cs.CR2020
Optimal Threshold Padlock Systems
Jannik Dreier, Jean-Guillaume Dumas, Pascal Lafourcade +1
In 1968, Liu described the problem of securing documents in a shared secret project. In an example, at least six out of eleven participating scientists need to be present to open t…