Title of article :
Exact minimum degree thresholds for perfect matchings in uniform hypergraphs II
Author/Authors :
Deryk and Treglown، نويسنده , , Andrew and Zhao، نويسنده , , Yi، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2013
Pages :
20
From page :
1463
To page :
1482
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.
Keywords :
absorbing method , Hypergraphs , Perfect matchings
Journal title :
Journal of Combinatorial Theory Series A
Serial Year :
2013
Journal title :
Journal of Combinatorial Theory Series A
Record number :
1531923
Link To Document :
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