Symmetry Structure of the Elser-Sloane Quasicrystal
  The 4D quasicrystal of Elser and Sloane, obtained from the root lattice E8 by the cut-and-project method, can be parametrized by the points of an 8D torus. This allows for an explicit analysis of its point and inflation symmetry structure. 
Michael Baake, Franz G\"ahler