12 citations · 12 across the 1 of their papers we have counts for
Showing math.COShow all
2 papers · 1 filter
math.CO2008★ 12 cited
Probabilistic proofs of hook length formulas involving trees
Bruce E. Sagan
Recently, Han discovered two formulas involving binary trees which have the interestig property that hooklengths appear as exponents. The purpose of this note is to give a probabil…
math.CO1997
Unimodality and the reflection principle
Bruce Sagan
We show how lattice paths and the reflection principle can be used to give easy proofs of unimodality results. In particular, we give a "one-line" combinatorial proof of the unimod…