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Grégoire Nicollier, Reflection triangles and their iterates,
Forum Geometricorum, 12 (2012) 83--128.
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Abstract. By reflecting each vertex of a triangle in the opposite side one obtains the vertices of the reflection triangle of the given triangle. We analyze the forward and backward orbit of any base triangle under this reflection process and give a complete description of the underlying discrete dynamical system with fractal structure.

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