817 citations
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math.CO2010
A new perspective on k-triangulations
Christian Stump
We connect k-triangulations of a convex n-gon to the theory of Schubert polynomials. We use this connection to prove that the simplicial complex with k-triangulations as facets is…
math.CO2010
On the superimposition of Christoffel words
Geneviève Paquin, Christophe Reutenauer
Initially stated in terms of Beatty sequences, the Fraenkel conjecture can be reformulated as follows: for a -letter alphabet A, with a fixed , there exists a unique b…