3 papers
math.CO2016
Compatible polynomials and edgewise subdivisions
Madeleine Leander
In this paper we answer a question posed by C. A. Athanasiadis. Namely, we prove that the local -polynomial of the th edgewise subdivision of the -dimensional simplex…
math.CO2016
Multivariate P-Eulerian polynomials
Petter Brändén, Madeleine Leander
The P-Eulerian polynomial counts the linear extensions of a labeled partially ordered set, P, by their number of descents. It is known that the P-Eulerian polynomials are real-root…
math.CO2013
Correlation of paths between distinct vertices in a randomly oriented graph
Svante Linusson, Madeleine Leander
We prove that in a random tournament the events and are positively correlated, for distinct vertices It is also proven…