English

Set families with a forbidden subposet

Combinatorics 2009-11-21 v3

Abstract

We asymptotically determine the size of the largest family F of subsets of {1,...,n} not containing a given poset P if the Hasse diagram of P is a tree. This is a qualitative generalization of several known results including Sperner's theorem.

Keywords

Cite

@article{arxiv.0803.3840,
  title  = {Set families with a forbidden subposet},
  author = {Boris Bukh},
  journal= {arXiv preprint arXiv:0803.3840},
  year   = {2009}
}

Comments

10 pages, 1 figure, motivation and details expanded, final version

R2 v1 2026-06-21T10:24:49.398Z