An Euler characteristic proof that 4-prismatoids have width at most 4
Combinatorics
2011-04-19 v2
Abstract
We show that there is no 4-dimensional analogue of the 5-prismatoids used in Santos' recent counterexample to the Hirsch conjecture.
Cite
@article{arxiv.1101.3050,
title = {An Euler characteristic proof that 4-prismatoids have width at most 4},
author = {Tamon Stephen and Hugh Thomas},
journal= {arXiv preprint arXiv:1101.3050},
year = {2011}
}
Comments
This paper has been withdrawn by the authors. This paper and arXiv:1102.2645 have been merged, forming now the paper arXiv:1104.2630. In the merged paper, the proof has been translated to the dual setting