MITFree Video

Free MIT Course: Projection Theory and Geometric Combinatorics

Explore advanced connections between projection theory, incidence geometry, additive combinatorics and random walks. The emphasis is on mathematical arguments and research-level techniques, not introductory geometry.

Video numbers show the position in this classroom. Lecture and recitation numbers retain MIT’s original numbering.

Video 1 of 24 1:18:26

Lecture 01: Introduction to Projection Theory

Before you start

Suggested preparation: Graduate-level analysis, algebra and mathematical maturity.

About this course

Explore advanced connections between projection theory, incidence geometry, additive combinatorics and random walks. The emphasis is on mathematical arguments and research-level techniques, not introductory geometry.

Topics and lesson examples

  • Lecture 14: The Bourgain Projection Theorem Part 1 (over the Real Numbers)
  • Lecture 16: The Bourgain Projection Theorem, Part 3
  • Lecture 19: Random Walks on Finite Groups, Part 3
  • Lecture 21: Homogeneous Dynamics, Part 2
  • Lecture 24: Sharp Projection Theorems, Part 3: Combining Different Scales

Course at a glance

Provider MIT
Platform YouTube · MIT OpenCourseWare
Access Free Video
Level Professional — WikiFree study-level assessment
Language English
Available lessons 24
Video duration 31h 32m · self-paced
Details checked 10 October 2026

Preparation and study approach

Suggested preparation: Graduate-level analysis, algebra and mathematical maturity.

Follow the available videos in sequence, pausing to summarize the main argument or reconstruct a worked example. Keep a short list of assumptions, unfamiliar terms and questions to revisit. Additional reading, problem solving and practice will take time beyond the listed video duration.

Using this video classroom

Select a lesson from the list, or search for a topic. Previous and Next move through the sequence. You can mark lessons complete; progress is stored in this browser without a WikiFree account.

Free access and course scope

The public MIT OpenCourseWare videos in this classroom are free to watch. This listing provides the available playlist recordings, which may include selected lectures, recitations, demonstrations or supporting discussions rather than every component of the original campus course. Textbooks, equipment, software licenses, supervised labs, graded assignments and instructor feedback are not supplied by WikiFree. No purchase is required to watch the videos or use the note-based study approach above.

WikiFree independently organizes these resources for self-paced study. Watching does not award an MIT certificate, academic credit or admission to MIT.

Video provider and credit: MIT OpenCourseWare on YouTube. WikiFree titles, descriptions and cover artwork are independently prepared.

Related courses for your next step

Compare course focus, level and study time
Compare the published course outlines. A lower level is a preparation option, not a required prerequisite.
CourseLevelFocusStudy time
This course — Free MIT Course: Projection Theory and Geometric CombinatoricsProfessionalLecture 14: The Bourgain Projection Theorem Part 1 (over the Real Numbers) · Lecture 16: The Bourgain Projection Theorem, Part 3 · Lecture 19: Random Walks on Finite Groups, Part 331h 32m of video; practice time is additional
Free MIT Course: Graph Theory and Additive CombinatoricsProfessional1. A bridge between graph theory and additive combinatorics · 7. Szemerédi's graph regularity lemma II: triangle removal lemma · 13. Sparse regularity and the Green-Tao theorem33h 54m of video; practice time is additional
Free MIT Course: Probabilistic Methods in CombinatoricsProfessionalLarge Bipartite Subgraph · Extremal Set Theory: Sperner's Theorem · Independent Sets and Turán's Theorem3h 36m of video; practice time is additional
Free MIT Course: Real Analysis and Mathematical ProofsIntermediateLecture 2: Introduction to Real Numbers (cont.) · Lecture 8: Convergence Tests for Series; Power Series · Lecture 12: Convergence in Metric Spaces; Operations on Sets32h 56m of video; practice time is additional
Share this course

Provider: MIT. Videos play from the MIT OpenCourseWare channel on YouTube.

Report a correction

Questions & discussion

Share a useful question or correction. Comments appear after moderation. Please avoid personal or sensitive information.

Add to the discussion

Your email address will not be published. Required fields are marked *