Robuta

https://math.biu.ac.il/node/3972 The Radius and Automorphism Group of Hurwitz Graphs of Finite Coxeter Groups | המחלקה למתמטיקה finite coxeter groups radius automorphism hurwitz graphs https://dmtcs.episciences.org/en/articles/6399 The facial weak order in finite Coxeter groups | Discrete Mathematics & Theoretical Computer... We investigate a poset structure that extends the weak order on a finite Coxeter group W to the set of all faces of the permutahedron of W. We call this order... finite coxeter groups weak order discrete mathematics facial theoretical