Words avoiding a reflexive acyclic relation

zbMath1080.05003MaRDI QIDQ813446

John Dollhopf, Curtis Greene, Ian P. Goulden

Publication date: 9 February 2006

Published in: The Electronic Journal of Combinatorics (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/125511

zbMATH Keywords

generating functionposetscombinatorial encoding of words

Mathematics Subject Classification ID

Exact enumeration problems, generating functions (05A15) Combinatorics of partially ordered sets (06A07)

Related Items

Eulerian quasisymmetric functions ⋮ Comparability graphs of lattices ⋮ 𝑞-Eulerian polynomials: Excedance number and major index