Article ID Journal Published Year Pages File Type
4655417 Journal of Combinatorial Theory, Series A 2013 20 Pages PDF
Abstract

Given positive integers k⩾3 and ℓ where k/2⩽ℓ⩽k−1, we give a minimum ℓ-degree condition that ensures a perfect matching in a k-uniform hypergraph. This condition is best possible and improves on work of Pikhurko who gave an asymptotically exact result, and extends work of Rödl, Ruciński and Szemerédi who determined the threshold for ℓ=k−1. Our approach makes use of the absorbing method, and builds on earlier work, where we proved the result for k divisible by 4.

Related Topics
Physical Sciences and Engineering Mathematics Discrete Mathematics and Combinatorics