7 citations · 17 across the 6 of their papers we have counts for
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math.CO2020★ 7 cited
The birational Lalanne-Kreweras involution
Sam Hopkins, Michael Joseph
The Lalanne-Kreweras involution is an involution on the set of Dyck paths which combinatorially exhibits the symmetry of the number of valleys and major index statistics. We define…
math.CO2020★ 7 cited
A birational lifting of the Stanley-Thomas word on products of two chains
Michael Joseph, Tom Roby
The dynamics of certain combinatorial actions and their liftings to actions at the piecewise-linear and birational level have been studied lately with an eye towards questions of p…