2 citations · 2 across the 1 of their papers we have counts for
2 papers
math.CO2004★ 2 cited
Chain polynomials of distributive lattices are 75 % unimodal
Anders Björner, Jonathan David Farley
It is shown that the numbers of chains of length in the proper part of a distributive lattice of length satisfy the inequalities $$c_0<.…
math.CO1998
The Fixed Point Property for Posets of Small Width
Jonathan David Farley
The fixed point property for finite posets of width 3 and 4 is studied in terms of forbidden retracts. The ranked forbidden retracts for width 3 and 4 are determined explicitly. Th…