2 citations · 2 across the 2 of their papers we have counts for
3 papers
math.CO2008
Nonhomogeneous parking functions and noncrossing partitions
Drew Armstrong, Sen-Peng Eu
For each skew shape we define a nonhomogeneous symmetric function, generalizing a construction of Pak and Postnikov. In two special cases, we show that the coefficients of this fun…
math.CO2007★ 2 cited
The sorting order on a Coxeter group
Drew Armstrong
Let be an arbitrary Coxeter system. For each word in the generators we define a partial order--called the {\sf -sorting order}--on the set of group elements $W_ω\sub…
math.CO2006
Generalized Noncrossing Partitions and Combinatorics of Coxeter Groups
Drew Armstrong
This memoir constitutes the author's PhD thesis at Cornell University. It serves both as an expository work and as a description of new research. At the heart of the memoir, we int…