On the non-existence of an R-labeling
Combinatorics
2017-05-30 v1
Abstract
We present a family of Eulerian posets which does not have any R-labeling. The result uses a structure theorem for R-labelings of the butterfly poset.
Cite
@article{arxiv.1009.4510,
title = {On the non-existence of an R-labeling},
author = {Richard Ehrenborg and Margaret Readdy},
journal= {arXiv preprint arXiv:1009.4510},
year = {2017}
}
Comments
6 pages, 1 figure. To appear in the journal Order