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MTA Rényi Intézet, nagyterem
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Description
We generalize a result of Balister, Gy{\H{o}}ri, Lehel and Schelp for
hypergraphs. We determine the unique extremal structure of an
$n$-vertex, $r$-uniform, connected, hypergraph with the maximum number
of hyperedges, without a $k$-Berge-path, where $n \geq N_{k,r}$, $k\geq
2r+13>17$. We also generalise this results for broader class of
hypergraphs, where the size of each hyperedge is at most $r$ and the
set of hyperedges is a Sperner family.
Joint work with Ervin Győri and Oscar Zamora.