The Szemerédi–Trotter theorem over finite fields

incidence geometry
Expository notes on recent proofs and a strengthening.
Author

Hung-Hsun Hans Yu

Published

October 28, 2026

The celebrated Szemerédi–Trotter theorem was recently extended to finite fields with an extra correction term by Lewko and independently Miao and Xie. The notes give an exposition to both proofs and also provide a strengthening that is tight for algebraically closed fields.

Read the notes (PDF)