2 papers
math.CO2005
P-partitions and a multi-parameter Klyachko idempotent
Peter McNamara, Christophe Reutenauer
Because they play a role in our understanding of the symmetric group algebra, Lie idempotents have received considerable attention. The Klyachko idempotent has attracted interest f…
math.GT2000
Noncommutative Rational Functions and Farber's Invariants of Boundary Links
Vladimir Retakh, Christophe Reutenauer, Arkady Vaintrob
In [2] M. Farber constructed invariants of m-component boundary links with values in algebra of noncommutative rational functions. In this paper we simplify his constructions and e…