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Department of Mathematical Sciences

Seminar Archives

On this page you can find information about seminars in this and previous academic years, where available on the database.

Pure Maths Colloquium: Friezes

Presented by Pierre-Guy Plamondon , Université de Paris Sud XI

17 March 2014 16:00 in CM221

Friezes are sequences of positive integers satisfying some
multiplication rules. They were introduced by Conway and Coxeter in the
70's, and their very simple definition yields surprising combinatorial
properties. Their relationship with the recent theory of "cluster
algebras" has led to new insights, results and generalisations.
In this talk will appear, in undefined order (and not exclusively):
friezes, Fibonacci numbers, triangulations of polygons, linear
recurrence relations, mutations, and maybe some representations of quivers.

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