On the non-existence of an R-labeling

Details On the non-existence of an R-labeling On the non-existence of an R-labeling

2010-09-23

arxiv.org/abs/1009.4510v1

Mathematics

Combinatorics

6 pages, 1 figure. To appear in the journal Order

Scientific paper

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.

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