Matthew Zeckner

collaborators

2 papers

math.CO2011

Deformation Retracts of Neighborhood Complexes of Stable Kneser Graphs

Benjamin Braun, Matthew Zeckner

In 2003, A. Bjorner and M. de Longueville proved that the neighborhood complex of the stable Kneser graph SG_{n,k} is homotopy equivalent to a k-sphere. Further, for n=2 they showe…

math.CO2010

Simplicial Complexes of Triangular Ferrers Boards

Eric Clark, Matthew Zeckner

We study the simplicial complex that arises from non-attacking rook placements on a subclass of Ferrers boards that have $a_{i}$ rows of length $i$ where $a_{i} > 0$ and $i \leq n$ for so…