Tag Archives: Jean-Pierre Tillich

Octonions to the Rescue

Posted on November 15, 2010 by Gil Kalai

Xavier Dahan and Jean-Pierre Tillich’s Octonion-based Ramanujan Graphs with High Girth. Update (February 2012): Non associative computations can be trickier than we expect. Unfortunately, the paper by Dahan and Tillich turned out to be incorrect. Update: There is more to … Continue reading →

Posted in Algebra and Number Theory, Combinatorics, Computer Science and Optimization, Open problems, Physics | Tagged Jean-Pierre Tillich, Octonions, Sir Miachael Atiyah, Xavier Dahan | 11 Comments

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Octonions to the Rescue

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