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.
Original language | English |
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Pages (from-to) | 437-442 |
Number of pages | 6 |
Journal | Order |
Volume | 28 |
Issue number | 3 |
DOIs | |
State | Published - Nov 2011 |
Bibliographical note
Funding Information:The first author was partially funded by National Science Foundation grant DMS-0902063.
Keywords
- Breakpoint
- Butterfly poset
- Non-negative flag h-vector
- R-labeling
- Triple assignment
ASJC Scopus subject areas
- Algebra and Number Theory
- Geometry and Topology
- Computational Theory and Mathematics