Regular Subgraphs of Linear Hypergraphs
Year: 2024
Type: article
Abstract: We prove that the maximum number of edges in a 3-uniform linear hypergraph on vertices containing no 2-regular subhypergraph is n^1+o(1). This resolves a conjecture of Dellamonica, Haxell, Łuczak, Mubayi, Nagle, Person, Rödl, Schacht, and Verstraëte. We use this result to show that the maximum number of edges in a 3-uniform hypergraph on vertices containing no immersion of a closed surface is n^2+o(1). Furthermore, we present results on the maximum number of edges in -uniform linear hypergraphs containing no r-regular subhypergraph.
Authors: Janzer, Oliver, Sudakov, Benny, Tomon, István
Language: English
Subfield: Discrete Mathematics and Combinatorics
Field: Mathematics
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W6928693752
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