S-positivity of interval hypergraphs
classification
🧮 math.CO
keywords
s-positivitychromaticfunctionshypergraphsintervalciteconjectureconsequence
read the original abstract
We prove the s-positivity of the chromatic functions of interval hypergraphs and a conjecture of Taylor~\cite{Taylor15} as a consequence. We also give a new proof of Gasharov's theorem on the s-positivity of the chromatic symmetric functions of $(3+1)$-free posets.
This paper has not been read by Pith yet.
discussion (0)
Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.