activity
20042026
most citedSupercharacters, symmetric functions in noncommuting variables, and related Hopf algebras

105 citations · 167 across the 23 of their papers we have counts for

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Showing 2018Show all

2 papers · 1 filter

math.CO2018

Rational series in the free group and the Connes operator

Aaron Lauve, Christophe Reutenauer

We characterize rational series over the free group by using an operator introduced by A. Connes. We prove that rational Malcev--Neumann series posses rational expressions without…

math.RA2018

Bialgebra Coverings and Transfer of Structure

Aaron Lauve, Mitja Mastnak

We introduce the bicategory of bialgebras with coverings (which can be thought of as coalgebra-indexed families of morphisms), and provide a motivating application to the transfer…