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By Dzmitry Badziahin. His research interests lie in Diophantine approximation and related areas of ergodic theory, dynamic systems and combinatorics of words. Alexander Gorodnik is a Professor of Mathematics at the University of Bristol.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.