Notes on planar semimodular lattices. IX. $\mathcal{C}_1$-diagrams
Combinatorics
2021-06-17 v4
Abstract
A planar semimodular lattice is \emph{slim} if is not a sublattice of . In a recent paper, G. Cz\'edli introduced a very powerful diagram type for slim, planar, semimodular lattices. This short note proves the existence of such diagrams.
Keywords
Cite
@article{arxiv.2104.02534,
title = {Notes on planar semimodular lattices. IX. $\mathcal{C}_1$-diagrams},
author = {George Grätzer},
journal= {arXiv preprint arXiv:2104.02534},
year = {2021}
}