Lecture 22: Sharp Projection Theorems, Part 1: Introduction and Beck's Theorem.

MIT 18.156 Projection Theory, Spring 2025 Instructor: Lawrence D Guth View the complete course: https://ocw.mit.edu/courses/18-156-projection-theory-spring-2025 YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP62K9_7Pg26ytrAOXwXFpN43 We begin studying the recent breakthrough in projection theory by Orponen-Shmerkin and Ren-Wang. We discuss how to use a non-sharp bound many times to get a sharp bound. License: Creative Commons BY-NC-SA More information at https://ocw.mit.edu/terms More courses at https://ocw.mit.edu Support OCW at http://ow.ly/a1If50zVRlQ We encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments.