\addtolength \textwidth 0 m m \addtolength \hoffset - 0 m m \addtolength \textheight 0 m m \addtolength \voffset - 0 m m \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long \global \long

6 – Aut | Adjacency

We say that chambers $D$ and $D^{'}$ are

adjacent

along a wall ${(v)}^{⊥}$ whenever the intersection $D \cap D^{'} \cap (v)^{⊥}$ contains a non-empty open subset of $(v)^{⊥}$ .