Slide 1 January 7, 2015CS21 Lecture 21 CS21 Decidability and Tractability Lecture 2 January 7, 2015 Slide 2 CS21 Lecture 22 Outline Finite Automata Nondeterministic Finite…

Slide 1 February 6, 2015CS21 Lecture 141 CS21 Decidability and Tractability Lecture 14 February 6, 2015 Slide 2 CS21 Lecture 142 Outline undecidable problems –computation…

Slide 1 January 5, 2015CS21 Lecture 11 CS21 Decidability and Tractability Lecture 1 January 5, 2015 Slide 2 CS21 Lecture 12 Outline administrative stuff motivation and overview…

Slide 1 January 12, 2015CS21 Lecture 41 CS21 Decidability and Tractability Lecture 4 January 12, 2015 Slide 2 CS21 Lecture 42 Outline Pumping Lemma Pushdown Automata Context-Free…

Slide 1 March 11, 2015CS21 Lecture 271 CS21 Decidability and Tractability Lecture 27 March 11, 2015 Slide 2 CS21 Lecture 272 Outline “Challenges to the (extended) Church-…

Slide 1 February 11, 2015CS21 Lecture 161 CS21 Decidability and Tractability Lecture 16 February 11, 2015 Slide 2 CS21 Lecture 162 Outline Gödel Incompleteness Theorem on…

Slide 1 March 2, 2015CS21 Lecture 231 CS21 Decidability and Tractability Lecture 23 March 2, 2015 Slide 2 Outline the class co-NP the class NP Å coNP the class PSPACE –a…

Slide 1 March 9, 2015CS21 Lecture 261 CS21 Decidability and Tractability Lecture 26 March 9, 2015 Slide 2 Outline “Challenges to the (extended) Church- Turing Thesis”…

Slide 1 February 27, 2015CS21 Lecture 221 CS21 Decidability and Tractability Lecture 22 February 27, 2015 Slide 2 Outline the class NP –NP-complete problems: subset sum…

Slide 1 January 14, 2015CS21 Lecture 51 CS21 Decidability and Tractability Lecture 5 January 14, 2015 Slide 2 CS21 Lecture 52 Outline Pushdown Automata Context-Free Grammars…