15 citations · 17 across the 2 of their papers we have counts for
Showing math.COShow all
3 papers · 1 filter
math.CO2008
Random walks, arrangements, cell complexes, greedoids, and self-organizing libraries
Anders Björner
The starting point is the known fact that some much-studied random walks on permutations, such as the Tsetlin library, arise from walks on real hyperplane arrangements. This paper…
math.CO2005★ 15 cited
An analogue of Young's lattice for compositions
Anders Bjorner, Richard Stanley
This paper has been withdrawn by the authors since it was discovered that most of its content was already known.
math.CO2003★ 2 cited
Segre and Rees products of posets, with ring-theoretic applications
Anders Björner, Volkmar Welker
We introduce (weighted) Segre and Rees products for posets and show that these constructions preserve the Cohen-Macaulay property over a field and homotopically. As an applicat…