255 citations
- Los Alamos National LaboratoryUS14 papers
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Showing 2023 · math.COShow all
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math.CO2023
On the statistic and valley-hopping
Nadia Lafrenière, Yan Zhuang
This paper studies the relationship between the modified Foata$\unicode{x2013}$Strehl action (a.k.a. valley-hopping)$\unicode{x2014}$a group action on permutations used to demonstr…
math.CO2023
Local Configurations in Union-Closed Families
Jonad Pulaj, Kenan Wood
The Frankl or Union-Closed Sets conjecture states that for any finite union-closed family of sets containing some nonempty set, there is some element in the groun…