A Note on Möbius Functions of Upho Posets

  • Sam Hopkins
DOI: https://doi.org/10.37236/11084

Abstract

A poset is called upper homogeneous (or "upho") if every principal order filter of the poset is isomorphic to the whole poset. We observe that the rank and characteristic generating functions of upho posets are multiplicative inverses of one another.

Published
2022-06-03
Issue
Volume 29, Issue 2 (2022)
Article Number
P2.39