Hugh Denoncourt

activity

20072019

most citedOn the number of commutation classes of the longest element in the symmetric group

3 citations · 4 across the 5 of their papers we have counts for

collaborators

Showing 2011Show all

2 papers · 1 filter

math.CO2011

Some combinatorial models for reduced expressions in Coxeter groups

Hugh Denoncourt

Stanley's formula for the number of reduced expressions of a permutation regarded as a Coxeter group element raises the question of how to enumerate the reduced expressions of an a…

math.CO2011★ 1 cited

A refinement of weak order intervals into distributive lattices

Hugh Denoncourt

In this paper we consider arbitrary intervals in the left weak order on the symmetric group $S_{n}$ . We show that the Lehmer codes of permutations in an interval form a distributive…