MIT 18.404J Theory of Computation, Fall 2020 Instructor: Michael Sipser View the complete course: https://ocw.mit.edu/18-404JF20 YouTube Playlist:    • MIT 18.404J Theory of Computation, Fa...   Reviewed log space: NL is a subset of SPACE(log^2n) and NL is a subset of P. Introduced log-space transducers and log-space reducibility. Defined NL-completeness. Proved that PATH is NL-complete. Also proved the Immerman-Szelepcsényi theorem: NL = coNL. License: Creative Commons BY-NC-SA More information at https://ocw.mit.edu/terms More courses at https://ocw.mit.edu/ Support OCW at http://ow.ly/a1If50zVRlQ We encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments.