David Conlon

collaborators

2 papers

math.CO2026

Two counterexamples to a conjecture about even cycles

David Conlon, Eion Mulrenin, Cosmin Pohoata

A conjecture of VerstraÃ«te states that for any fixed $ℓ < k$ there exists a positive constant $c$ such that any $C_{2 k}$ -free graph $G$ contains a $C_{2 ℓ}$ -free subgraph wit…

math.CO2025

Hypergraphs accumulate infinitely often

David Conlon, Bjarne SchÃ¼lke

We show that the set $I^^{(k)}$ of TurÃ¡n densities of $k$ -uniform hypergraphs has infinitely many accumulation points in $[0, 1)$ for every $k \geq 3$ . This extends an earlier resu…