CS 2250
Computability and Complexity
Topics:
- Introduction to TOC; mathematical foundations and proof techniques
- Regular languages; finite automata; regular expressions; non-regular languages
- Context-free languages; context-free grammars; pushdown automata
- Church-Turing thesis; Turing machines and variants; algorithms
- Decidability; diagonalization; undecidable languages
- Reducibility; computable functions; mapping reducibility
- Complexity theory: P, NP, NP-complete, NP hard
Selected materials
Introduction
- What are automata?
- What is computability?
- What is complexity?
- Some matters of notation
- Functions as sets
- Set union
Regular languages
Context-free languages
- Material forthcoming
The Church-Turing thesis
- Material forthcoming
Decidability
- Material forthcoming
Reducibility
- Material forthcoming
Time complexity
- Material forthcoming