Notes on planar semimodular lattices. IX. C₁-diagrams

2021/04/06 by Grätzer, George
#06C10 #Combinatorics (math.CO) #FOS: Mathematics

paper · doi:10.48550/arxiv.2104.02534

Abstract

A planar semimodular lattice L is slim if M₃ is not a sublattice of L. In a recent paper, G. Czédli introduced a very powerful diagram type for slim, planar, semimodular lattices. This short note proves the existence of such diagrams.

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