29 citations · 167 across the 26 of their papers we have counts for
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math.CO2013
Algebraicity of the zeta function associated to a matrix over a free group algebra
Christian Kassel, Christophe Reutenauer
Following and generalizing a construction by Kontsevich, we associate a zeta function to any matrix with entries in a ring of noncommutative Laurent polynomials with integer coeffi…
math.CO2008★ 16 cited
A palindromization map for the free group
Christian Kassel, Christophe Reutenauer
We define a self-map Pal: F_2 --> F_2 of the free group on two generators a, b, using automorphisms of F_2 that form a group isomorphic to the braid group B_3. The map Pal restrict…