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ECS 120 5b:2 proof of non-regularity using closure properties

From  David Doty 0 likes 41 plays 0  

ECS 120 5b:1 examples of using the Myhill-Nerode Theorem

I forgot to write on this slide that this is Section 7.7 in the lecture notes.

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ECS 153, Spring 2021; Lecture #11; April 21, 2021

ECS 153 Spring 2021. Computer Security. This finishes the discussion of security policies. The video begins at 10:28 from the beginning.

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ECS 289A Lecture 7a

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ECS 289A Lecture 6b

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ECS 220 9b:8.5 Immerman-Szelepcsényi Theorem NSPACE(s(n)) = coNSPACE(s(n)) for s(n) ≥ log(n)

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ECS 220 9a:1-8.6 IP=PSPACE (no proof)

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ECS 220 6c:7.2-4 Gödel’s Incompleteness Theorem (consistency)

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ECS 220 6c:7.2-3 Gödel’s Incompleteness Theorem (soundness)

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ECS 220 6c:7.2-2 From undecidable problems to unprovable truths

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ECS 220 6b:7.2-3 computable enumerability

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ECS 220 6b:7.2-2 showing problems are undecidable by reduction from halting problem

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ECS 220 6b:7.2-1 halting problem

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ECS 220 5c:6.6 why is it hard to prove P neq NP

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ECS 220 5b:6.6-2 almost proof of Ladner's theorem

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ECS 220 5a:6.4-3 relativizing proofs

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