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Massachusetts Institute of Technology

Theory of Computation, Fall 2020

Massachusetts Institute of Technology via YouTube

Overview

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This course develops computability and computational complexity theory through automata, formal languages, Turing machines, undecidability, complexity classes, completeness, probabilistic computation, and interactive proof systems.

Syllabus

1. Introduction, Finite Automata, Regular Expressions.
2. Nondeterminism, Closure Properties, Conversion of Regular Expressions to FA.
3. Regular Pumping Lemma, Conversion of FA to Regular Expressions.
4. Pushdown Automata, Conversion of CFG to PDA and Reverse Conversion.
5. CF Pumping Lemma, Turing Machines.
6. TM Variants, Church-Turing Thesis.
7. Decision Problems for Automata and Grammars.
8. Undecidability.
9. Reducibility.
10. Computation History Method.
11. Recursion Theorem and Logic.
12. Time Complexity.
14. P and NP, SAT, Poly-Time Reducibility.
15. NP-Completeness.
16. Cook-Levin Theorem.
17. Space Complexity, PSPACE, Savitch's Theorem.
18. PSPACE-Completeness.
19. Games, Generalized Geography.
20. L and NL, NL = coNL.
21. Hierarchy Theorems.
22. Provably Intractable Problems, Oracles.
23. Probabilistic Computation, BPP.
24. Probabilistic Computation (cont.).
25. Interactive Proof Systems, IP.
26. coNP is a subset of IP.

Taught by

MIT open courseware

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