2 papers
math.CO2013
The toric h-vector of a cubical complex in terms of noncrossing partition statistics
Sarah Birdsong, Gábor Hetyei
This paper introduces a new and simple statistic on noncrossing partitions that expresses each coordinate of the toric -vector of a cubical complex, written in the basis of the…
math.CO2011
A Gray Code for the Shelling Types of the Boundary of a Hypercube
Sarah Birdsong, Gábor Hetyei
We consider two shellings of the boundary of the hypercube equivalent if one can be transformed into the other by an isometry of the cube. We observe that a class of indecomposable…