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Probabilistic Complexity Classes: Graduate Complexity Lecture 5 at CMU
Oracles, and the Polynomial Time Hierarchy vs. circuits: Graduate Complexity Lecture 8 at CMU
Instance Checking and the Permanent: Graduate Complexity Lecture 16 at CMU
Circuits: Graduate Complexity Lecture 4 at CMU
Undergrad Complexity at CMU - Lecture 15: coNP
Algebraic Circuit Complexity: Graduate Complexity Lecture 15 at CMU
The Switching Lemma: PRST version: Graduate Complexity Lecture 19 at CMU
Undergrad Complexity at CMU - Lecture 22: BPP
4a. Probabilistic Queries and their Complexity (Chapter 5)
Undergrad Complexity at CMU - Lecture 6: Problems in P
Ironic complexity: Graduate Complexity Lecture 27 at CMU
Quasilinear Cook--Levin Theorem: Graduate Complexity Lecture 6 at CMU