18.404J | Fall 2020 | Undergraduate, Graduate

Theory of Computation

Video Lectures

Lecture 2: Nondeterminism, Closure Properties, Regular Expressions → Finite Automata

Description: Quickly reviewed last lecture. Introduced nondeterministic finite automata (NFA). Proved that NFA and DFA are equivalent in power. Proved that the class of regular languages is closed under ◦, ∗. Showed conversion of regular expressions to NFAs.

Instructor: Prof. Michael Sipser

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