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An elementary proof of uniqueness of Markoff numbers which are prime powers

Ying Zhang
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Abstract

We present a very elementary proof of the uniqueness of Markoff numbers which are prime powers or twice prime powers, in the sense that it uses neither algebraic number theory nor hyperbolic geometry.

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Ying Zhang. 2007-02-01. An elementary proof of uniqueness of Markoff numbers which are prime powers. https://arxiv.org/abs/math/0606283

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