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04:39 ECS 120 5b:2 proof of non-regularity using… ECS 120 5b:2 proof of non-regularity using closure properties	ECS 120 5b:2 proof of non-regularity using closure properties integer language zeros star closure proof bunch strings integers fact properties technique string c. languages addition x. numbers component analogy From David Doty 0 likes 41 plays 0
06:12 ECS 120 5b:1 examples of using the Myhill-Nerode… ECS 120 5b:1 examples of using the Myhill-Nerode Theorem	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. strings language zeros extension theorem string proof pair fact form eye languages examples thing lengths end lots chain result wounds From David Doty 0 likes 69 plays 0
01:01:00 ECS 153, Spring 2021; Lecture #11; April 21, 2021 ECS 153, Spring 2021; Lecture #11; April 21, 2021	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. things level access policies network language confidentiality languages programs database control identity mechanisms permission directory lawyers test proof point trust From Matt Bishop 0 likes 54 plays 0
01:21:21 ECS 289A Lecture 7a ECS 289A Lecture 7a	ECS 289A Lecture 7a linear leader function delta species things thing functions kind predicates input inputs stuff sense configurations proof increment machine integer semi From David Doty 0 likes 9 plays 0
01:26:51 ECS 289A Lecture 6b ECS 289A Lecture 6b	ECS 289A Lecture 6b sequence element vectors elements delta thing proof integers configuration species lemma configurations things reactions vector graph point stuff union output From David Doty 0 likes 7 plays 0
15:53 ECS 220 9b:8.5 Immerman-Szelepcsényi… ECS 220 9b:8.5 Immerman-Szelepcsényi Theorem NSPACE(s(n)) = coNSPACE(s(n)) for s(n) ≥ log(n)	ECS 220 9b:8.5 Immerman-Szelepcsényi Theorem NSPACE(s(n)) = coNSPACE(s(n)) for s(n) ≥ log(n) space nodes reachability path algorithm node error steps bit proof paths length end graph zeros pad linear log guesses step From David Doty 0 likes 18 plays 0
03:52 ECS 220 9a:1-8.6 IP=PSPACE (no proof) ECS 220 9a:1-8.6 IP=PSPACE (no proof)	ECS 220 9a:1-8.6 IP=PSPACE (no proof) space verifier bit prover strategy fee formula proof game power words bits class b. fact p. variant sort bpp quarter From David Doty 0 likes 11 plays 0
05:26 ECS 220 6c:7.2-4 Gödel’s… ECS 220 6c:7.2-4 Gödel’s Incompleteness Theorem (consistency)	ECS 220 6c:7.2-4 Gödel’s Incompleteness Theorem (consistency) proof string epsilon guessing statement answer problem input algorithm godel completeness consistency searches theorem computation prove air negation programs contradiction From David Doty 0 likes 12 plays 0
06:36 ECS 220 6c:7.2-3 Gödel’s… ECS 220 6c:7.2-3 Gödel’s Incompleteness Theorem (soundness)	ECS 220 6c:7.2-3 Gödel’s Incompleteness Theorem (soundness) statement proof theorem problem statements godel contradiction machines negation systems stuff incompleteness distinction parallel tuple things turing programs language hilbert From David Doty 0 likes 13 plays 0
05:55 ECS 220 6c:7.2-2 From undecidable problems to… ECS 220 6c:7.2-2 From undecidable problems to unprovable truths	ECS 220 6c:7.2-2 From undecidable problems to unprovable truths statement rules proof axioms inference statements proofs contradiction reasoning thing systems hilbert 30s bit answer algorithm string kind negation properties From David Doty 0 likes 14 plays 0
11:33 ECS 220 6b:7.2-3 computable enumerability ECS 220 6b:7.2-3 computable enumerability	ECS 220 6b:7.2-3 computable enumerability proof input numbers p. characterization w. inputs steps enumerator amount problems loop direction verifier halts answer instance fact problem np From David Doty 0 likes 21 plays 0
08:46 ECS 220 6b:7.2-2 showing problems are undecidable… ECS 220 6b:7.2-2 showing problems are undecidable by reduction from halting problem	ECS 220 6b:7.2-2 showing problems are undecidable by reduction from halting problem input problem epsilon question string thing reduction problems halts output behavior lot divisor x. function notion circuit numbers proof condition From David Doty 0 likes 32 plays 0
06:00 ECS 220 6b:7.2-1 halting problem ECS 220 6b:7.2-1 halting problem	ECS 220 6b:7.2-1 halting problem input halts catch-22 programs inputs source problem table contradiction proof string rows coder diagonalization kind subroutine algorithm problems class output From David Doty 0 likes 24 plays 0
07:50 ECS 220 5c:6.6 why is it hard to prove P neq NP ECS 220 5c:6.6 why is it hard to prove P neq NP	ECS 220 5c:6.6 why is it hard to prove P neq NP statement algorithm clique proof problems algorithms np star size circuits circuit reason instance fact sat end threshold boolean instances gates From David Doty 0 likes 15 plays 0
07:35 ECS 220 5b:6.6-2 almost proof of Ladner's… ECS 220 5b:6.6-2 almost proof of Ladner's theorem	ECS 220 5b:6.6-2 almost proof of Ladner's theorem clique stage stages programs q0 strings string output problem x. point reduction np formula proof bees a. input reductions booleans From David Doty 0 likes 14 plays 0
03:07 ECS 220 5a:6.4-3 relativizing proofs ECS 220 5a:6.4-3 relativizing proofs	ECS 220 5a:6.4-3 relativizing proofs oracle proof problems subset a. access arguments simulation classes complexity question np n. running hierarchy fact problem programs property instruction From David Doty 0 likes 20 plays 0