Search for tag: "reduction"

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55:59 ECS 153, Spring 2021; Lecture #23; May 19, 2021 ECS 153, Spring 2021; Lecture #23; May 19, 2021	ECS 153, Spring 2021; Lecture #23; May 19, 2021 ECS 153 Spring 2021. Computer Security. This covers authentication with a brief overview of rainbow tables and begins access control mechanisms. The video begins at 5:13 from the beginning. password passwords rainbow access function table hash control challenge unix things authentication point idea tables computer algorithm reduction bits key From Matt Bishop on May 20th, 2021 0 likes 42 plays 0
36:09 118CSpr21L11p2 118CSpr21L11p2	118CSpr21L11p2 Indirect Formation of Amines amine carbon groups thing things reduction lot chain image sodium haloalkane means ion reaction nitrogen amination alkyl acid cn cyanoborohydride From Sarah Lievens on April 20th, 2021 0 likes 452 plays 0
05:46 ECS 220 8b:8.3-2 NL-WitnessExistence and… ECS 220 8b:8.3-2 NL-WitnessExistence and Reachability are NL-complete	ECS 220 8b:8.3-2 NL-WitnessExistence and Reachability are NL-complete log space input existence witness reachability reduction thing things configuration graph bits memory question urinary problem deterministically configurations element triple From David Doty on March 21st, 2021 0 likes 13 plays 0
05:39 ECS 220 8b:8.3-1 NL-completeness and logspace… ECS 220 8b:8.3-1 NL-completeness and logspace reductions	ECS 220 8b:8.3-1 NL-completeness and logspace reductions space log completeness reduction reductions output problem notion reachability edge input graph nodes tape np pair thing star lot problems From David Doty on March 21st, 2021 0 likes 16 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 on March 21st, 2021 0 likes 28 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 on March 21st, 2021 0 likes 13 plays 0
03:17 ECS 220 3a:3-5.2 recall Witness-Existence ECS 220 3a:3-5.2 recall Witness-Existence	ECS 220 3a:3-5.2 recall Witness-Existence circuit input witness problem existence computation circuits length steps reduction words outputs question size np bit kinds machines insight px From David Doty on March 21st, 2021 0 likes 19 plays 0
10:06 ECS 220 2c:5.3-2 NAE-SAT reduces to 3-Coloring ECS 220 2c:5.3-2 NAE-SAT reduces to 3-Coloring	ECS 220 2c:5.3-2 NAE-SAT reduces to 3-Coloring color graph formula clause gadgets coloring reduction colors assignment node nodes problem instance opposite orange choice words input constraint witness From David Doty on March 21st, 2021 0 likes 24 plays 0
08:40 ECS 220 2c:5.3-1 NAE-SAT is NP-complete ECS 220 2c:5.3-1 NAE-SAT is NP-complete	ECS 220 2c:5.3-1 NAE-SAT is NP-complete assignment clause sat problem phi direction prime formula instance reductions satisfiable input e3 literals cnf np reduction reduces negation clauses From David Doty on March 21st, 2021 0 likes 29 plays 0
11:09 ECS 220 2b:5.1 NP-completeness and reductions ECS 220 2b:5.1 NP-completeness and reductions	ECS 220 2b:5.1 NP-completeness and reductions problem np reduction problems instance input words b. reductions path graph verifier length urinary answer thing class lot 31st language From David Doty on March 21st, 2021 0 likes 41 plays 0
03:57 ECS 220 2a:4.2-1 3-Coloring reduces to CNF-SAT ECS 220 2a:4.2-1 3-Coloring reduces to CNF-SAT	ECS 220 2a:4.2-1 3-Coloring reduces to CNF-SAT graph algorithm coloring color reduction formula planar clauses input colorable cnf constraints implications structure edge variables node answer graphs constraint From David Doty on March 21st, 2021 0 likes 38 plays 0
05:27 ECS 120 9a:2 reducibility ECS 120 9a:2 reducibility	ECS 120 9a:2 reducibility algorithm problem reduction reductions kind problems subroutine instance b. x. terrain proof completeness np examples answer times introduction y. equals From David Doty on March 20th, 2021 0 likes 74 plays 0
03:43 ECS 120 8c:4 Cook-Levin Theorem if P neq NP, then… ECS 120 8c:4 Cook-Levin Theorem if P neq NP, then no NP-complete problem is in P	ECS 120 8c:4 Cook-Levin Theorem if P neq NP, then no NP-complete problem is in P reduction notes lecture problem np theorem problems cook question sat clique reductions levin complete object sense couple age examples width From David Doty on March 20th, 2021 0 likes 49 plays 0
12:07 ECS 120 8c:3 definition of NP-completeness ECS 120 8c:3 definition of NP-completeness	ECS 120 8c:3 definition of NP-completeness np problem problems reduction thing reducible language b. theorem things x. input f. function corollary subset hypothesis idea reductions output From David Doty on March 20th, 2021 0 likes 73 plays 0
02:03 ECS 120 8c:2 reduction between two problems is an… ECS 120 8c:2 reduction between two problems is an algorithm, but it does not solve either problem	ECS 120 8c:2 reduction between two problems is an algorithm, but it does not solve either problem question lot algorithm reduction graph formula instance algorithms reductions examples hardness job size grass formulas k. threshold phi sat problem From David Doty on March 20th, 2021 0 likes 55 plays 0
20:14 ECS 120 8c:1 3SAT is reducible to IndSet ECS 120 8c:1 3SAT is reducible to IndSet	ECS 120 8c:1 3SAT is reducible to IndSet phi clause literals edge edges nodes bar condition clauses reduction node conditions triple triples pair formula structure rule negation instance From David Doty on March 20th, 2021 0 likes 82 plays 0