Abstract
It is shown that the numbers ci of chains of length i in the proper part L \ {0,1} of a distributive lattice L of length ℓ + 2 satisfy the inequalities C0 < ...... > cℓ. This proves 75% of the inequalities implied by the Neggers unimodality conjecture.
Register to see more suggestions
Mendeley helps you to discover research relevant for your work.
Already have an account? Sign in
Sign up for freeCite
CITATION STYLE
APA
Björner, A., & Farley, J. D. (2005). Chain polynomials of distributive lattices are 75% unimodal. Electronic Journal of Combinatorics, 12(1 N), 1–7. https://doi.org/10.37236/1971
Readers' Seniority
Readers' Discipline
