- Mon, Sep 26
- Lecture 1: Complexity of Counting; Approximation in Counting and Sampling; DNF Counting
- Wed, Sep 28
- Lecture 2: Reductions Between Sampling and Counting; Matrix-Tree Theorem
- Release Homework 1
- Mon, Oct 3
- Lecture 3: Planar Perfect Matchings; Intro to Markov Chains
- Wed, Oct 5
- Lecture 4: Fundamental Theorem of Markov Chains; Mixing Time Growth; Strong Stationary Times; Metropolis Rule and Time Reversal Rules
- Mon, Oct 10
- Lecture 5: Designing Markov Chains; Transport Distance; Contractive Couplings; Intro to Path Coupling (remote on Zoom)
- Wed, Oct 12
- Lecture 6: Dobrushin's Influence Matrix; Hardcore and Ising Models; Intro to Spectral Analysis (remote on Zoom)
- DueHomework 1
- Release Homework 2
- Mon, Oct 17
- Lecture 7: Functional Analysis; Entropy and Variance Contraction; Relationship between Relaxation and Mixing Time; Intro to Fourier Analysis
- Wed, Oct 19
- Lecture 8: Continuous Time; Dirichlet Form; Comparison Method
- Mon, Oct 24
- Lecture 9: Canonical Paths; Trading Time for Approximation; Sampling Matchings
- Wed, Oct 26
- Lecture 10: Monomer-Dimer Systems; Bipartite Perfect Matchings
- DueHomework 2
- Release Homework 3
- Mon, Oct 31
- Lecture 11: Correlation Decay and Deterministic Counting
- Wed, Nov 2
- Lecture 12: Matching Polynomial; Roots; Barvinok's Method
- Mon, Nov 7
- Lecture 13: Bounded-Degree Counting Tricks; Log-Concavity of Sequences; Determinantal Distributions
- Wed, Nov 9
- Lecture 14: High-Dimensional Expanders; Local-to-Global for f-Divergences
- DueHomework 3
- Release Homework 4
- Mon, Nov 14
- Lecture 15: Log-Concavity; HDX from Half-Plane Stability
- Wed, Nov 16
- Lecture 16: HDX from Stability; Entropic Independence
- Mon, Nov 28
- Lecture 17: Entropic Independence; Entropy Factorization (prerecorded, no in-person class)
- Wed, Nov 30
- Lecture 18: HDX from Correlation Decay; HDX from Dobrushin (prerecorded, no in-person class)
- DueHomework 4
- Mon, Dec 5
- Lecture 19: Trickle Down; Coupling from the Past
- Wed, Dec 7
- Lecture 20: Stochastic Localization
- Report