An elementary proof of uniqueness of Markoff numbers which are prime powers
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.
 Publication:

arXiv Mathematics eprints
 Pub Date:
 June 2006
 arXiv:
 arXiv:math/0606283
 Bibcode:
 2006math......6283Z
 Keywords:

 Mathematics  Number Theory;
 11D45;
 11J06;
 20H10
 EPrint:
 14 pages, 3 figures. Version 2: thoroughly rewritten, title changed