Andrew Suk

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20242026

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math.CO2026

A parity Erdős-Hajnal theorem for $t$ -intersecting curves

Andrew Suk, Su Zhou

For every fixed $t \geq 1$ , we prove a parity analogue of the mighty Erdős-Hajnal property for $t$ -intersecting curves in the plane. Let $B$ be a set of blue curves and $\ma…

math.CO2026

Extremal structure in dense arrangements of $k$ -intersecting curves

Andrew Suk, Su Zhou

Let $P$ be a set of $n$ points in the plane, and let $C$ be a collection of $n$ simple $k$ -intersecting curves, meaning that every two distinct curves of $C$ meet…

A parity Erdős-Hajnal theorem for t-intersecting curves

Extremal structure in dense arrangements of k-intersecting curves

A parity Erdős-Hajnal theorem for $t$ -intersecting curves

Extremal structure in dense arrangements of $k$ -intersecting curves