Kazushi Ahara*, Mami Murata and Anno Ojiri
Department of Mathematics, Meiji University, 1-1-1 Higashi-Mita, Tama-ku, Kawasaki, Kanagawa 214-8571, Japan
*E-mail address: firstname.lastname@example.org
(Received February 15, 2012; Accepted April 27, 2012)
Abstract. For a given tiling of the euclidean plane E2, we call the degree of freedom of perturbed edges of prototiles escher degree. In this paper we consider non-periodic L-tilings by 2 prototiles and obtain the escher degree of them.
Keywords: L-tiling, Non-periodic hierarchical tiling, Escherization