A new approach to constructing self-similar fractal tilings is proposed based on the construction of semigroups generated by a finite set of similarity transformations. The Rauzy tiling_a 2D analog of 1D Fibonacci tiling generated by the golden mean_is used as an example to illustrate this approach. It is shown that the Rauzy torus development and the elementary fractal boundary of Rauzy tiling can be constructed in the form of a set of centers of similarity semigroups generated by two and three similarity transformations, respec_tively. A centrosymmetric tiling, locally dual to the Rauzy tiling, is constructed for the first time and its param_eterization is developed.
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