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15:27 Efficient Fixpoint Computation for Abstract… Efficient Fixpoint Computation for Abstract Interpretation	Efficient Fixpoint Computation for Abstract Interpretation Abstract interpretation is a general framework for expressing static program analyses. It reduces the problem of extracting properties of a program to computing an approximation of the least fixpoint… point computation strategy memory wto algorithm graph iteration analysis loop points checks approach dependency equations stabilization efficiency mutation values equation From Aditya Thakur on April 8th, 2021 0 likes 0 plays 0
01:00:54 ECS 153, Spring 2021; Lecture #2; March 31, 2021 ECS 153, Spring 2021; Lecture #2; March 31, 2021	ECS 153, Spring 2021; Lecture #2; March 31, 2021 ECS 153, Spring 2021. Computer Security. This covers the design principles of security. The lecture starts ar 8:07 into the video. things password access lot passwords root money privilege authentication directory reason factor point systems algorithm principles problem thing administrators error From Matt Bishop on March 31st, 2021 0 likes 72 plays 0
04:34 ECS 120 0:6 pigeonhole principle (discrete math… ECS 120 0:6 pigeonhole principle (discrete math review)	ECS 120 0:6 pigeonhole principle (discrete math review) boxes compression files algorithm cards pigeons objects bytes numbers application box principle size pigeon suits deck networks things room arguments From David Doty on March 25th, 2021 0 likes 68 plays 0
01:19:33 ECS 289A Lecture 3a ECS 289A Lecture 3a	ECS 289A Lecture 3a tiles shape tile probability thing string question length determinism delta heads variables times assembly power types coin clause algorithm problem From David Doty on March 22nd, 2021 0 likes 0 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 on March 21st, 2021 0 likes 2 plays 0
09:03 ECS 220 8c:8.4 Savitch's theorem… ECS 220 8c:8.4 Savitch's theorem space-bounded deterministic simulation of space-bounded nondeterminism, space usage of Savitch_s algorithm	ECS 220 8c:8.4 Savitch's theorem space-bounded deterministic simulation of space-bounded nondeterminism, space usage of Savitch_s algorithm space log algorithm path nodes length graph reachability recursion n. bits half memory point root levels level node call stack From David Doty on March 21st, 2021 0 likes 1 plays 0
05:20 ECS 220 8a:8.2 NL and NPSPACE nondeterministic… ECS 220 8a:8.2 NL and NPSPACE nondeterministic space-bounded computation and prover-verifier characterization	ECS 220 8a:8.2 NL and NPSPACE nondeterministic space-bounded computation and prover-verifier characterization space characterization witness length access bits verifier w. np instance path problem computation tape slide memory answer algorithm machine turing From David Doty on March 21st, 2021 0 likes 2 plays 0
07:33 ECS 220 8a:8.1-3 relationship of time and… ECS 220 8a:8.1-3 relationship of time and space-bounded complexity classes	ECS 220 8a:8.1-3 relationship of time and space-bounded complexity classes space tape algorithm length configuration turing np memory computation hierarchy witness verifier witnesses problems complexity usage configurations problem words subset From David Doty on March 21st, 2021 0 likes 1 plays 0
09:01 ECS 220 7b:7.3-3 μ-recursive and partial… ECS 220 7b:7.3-3 μ-recursive and partial recursive functions	ECS 220 7b:7.3-3 μ-recursive and partial recursive functions functions function language input programs inputs recursion programming loop bloop python algorithm mu diagonalization air thing sense terminology middle answer From David Doty on March 21st, 2021 0 likes 1 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 on March 21st, 2021 0 likes 1 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 on March 21st, 2021 0 likes 2 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 on March 21st, 2021 0 likes 1 plays 0
14:13 ECS 220 6a:7.1 axiomatic foundation of mathematics ECS 220 6a:7.1 axiomatic foundation of mathematics	ECS 220 6a:7.1 axiomatic foundation of mathematics sets problem procedure algorithm things statement hilbert elements numbers mathematics mathematicians axiom constraint russell sequences pair object sort solution operations From David Doty on March 21st, 2021 0 likes 3 plays 0
04:37 ECS 220 5c:7.1-2 the analytical engine ECS 220 5c:7.1-2 the analytical engine	ECS 220 5c:7.1-2 the analytical engine 1800s engine cards question 1930s description numbers pattern jaccard 60s punch computers babbage thing bernoulli computer algorithm mill computation lot From David Doty on March 21st, 2021 0 likes 2 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 on March 21st, 2021 0 likes 1 plays 0
05:09 ECS 220 5a:6.4-1 oracles and relativized worlds ECS 220 5a:6.4-1 oracles and relativized worlds	ECS 220 5a:6.4-1 oracles and relativized worlds language impossibility oracle programs result proofs sat instruction algorithm subroutine thing problem programming words barrier science computer np sap steps From David Doty on March 21st, 2021 0 likes 6 plays 0