collaborators

1 paper

math.CO2009

The centers of gravity of the associahedron and of the permutahedron are the same

Christophe Hohlweg, Jonathan Lortie, Annie Raymond

In this article, we show that Loday's realization of the associahedron has the the same center of gravity than the permutahedron. This proves an observation made by F. Chapoton. We…