Hecke algebras and edge contractions
arXiv:2402.11407
Abstract
We establish an embedding from the Hecke algebra associated with the edge contraction of a Coxeter system along an edge to the Hecke algebra associated with the original Coxeter system.
v1.16 pages. Comments welcome. v2. An appendix on edge contraction along a labelled edge is added. References updated. Final version. To appear in JPAA