A product space of {0, 1} and an abstract polycrystal
  A partition of a $\Lambda (Card\Lambda \succ \aleph_0)$-product space of $\{0,1\}$ defines an abstract polycrystal composed of abstract singlecrystals a decomposition space (space of equivalence classes) of each of which is self-similar. 
Akihiko Kitada, Shousuke Ohmori, Tomoyuki Yamamoto
math.GN