Directory Quick Guide STAT FOUNDATIONS AND MORE Probability Theory Computational Statistics Statistical Inference Stochastic Process OPTIMIZATION Convex Optimization (CMU, 10-725) Online Learning and Online Convex Optimization Bilevel Optimization (2026 Summer School) Short Notes MACHINE LEARNING AND AI Statistical Learning Algorithms Understanding Machine Learning (Dive-into) Deep Learning NLP and Large Language Models PAPER READING Optimization Readings ODDS & ENDS Learning Roadmaps