Search for tag: "np"

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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 0 likes 29 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 0 likes 34 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 0 likes 30 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 28 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 21 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 23 plays 0
05:38 ECS 220 5b:6.6-3 clocked programs ECS 220 5b:6.6-3 clocked programs	ECS 220 5b:6.6-3 clocked programs programs problem times clock thing function enumeration behavior tick statement transformational limit couple steps header alarm point np problems ei From David Doty 0 likes 16 plays 0
07:45 ECS 220 5b:6.6-1 Ladner's theorem, existence… ECS 220 5b:6.6-1 Ladner's theorem, existence of NP-intermediate problems	ECS 220 5b:6.6-1 Ladner's theorem, existence of NP-intermediate problems problem np string problems theorem length a. answers strings satisfiability evidence complete clique things answer language sac words x. numbers From David Doty 0 likes 34 plays 0
06:50 ECS 220 5a:6.4-4 an oracle making P=NP ECS 220 5a:6.4-4 an oracle making P=NP	ECS 220 5a:6.4-4 an oracle making P=NP oracle input end bits sea c. steps problem a. np answer times queries access query element subroutine step values bets From David Doty 0 likes 30 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 28 plays 0
06:08 ECS 220 5a:6.4-2 P^SAT and P^NP ECS 220 5a:6.4-2 P^SAT and P^NP	ECS 220 5a:6.4-2 P^SAT and P^NP oracle problem inputs clique p2 question half problems class complexity portion circuit formula exists pi np fact sap sat sac From David Doty 0 likes 56 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 0 likes 43 plays 0
02:14 ECS 220 4c:6.3-4 P vs. NP vs. EXP… ECS 220 4c:6.3-4 P vs. NP vs. EXP nondeterministic time hierarchy theorem	ECS 220 4c:6.3-4 P vs. NP vs. EXP nondeterministic time hierarchy theorem np subset hierarchy problems machines simulation thing theorem linear problem xp complexity sort overhead talk lack end dimension x. exponent From David Doty 0 likes 27 plays 0
08:37 ECS 220 4b:6.1-2 relation of NP to finding… ECS 220 4b:6.1-2 relation of NP to finding mathematical proofs	ECS 220 4b:6.1-2 relation of NP to finding mathematical proofs proof problem proofs statement problems np optimization mathematics angle steps computer reasons machine algorithm question rules geometry understanding evidence kepler From David Doty 0 likes 26 plays 0
07:19 ECS 220 4a:6.1-3 collapse propagates up padding… ECS 220 4a:6.1-3 collapse propagates up padding technique	ECS 220 4a:6.1-3 collapse propagates up padding technique input length cubed algorithm deterministically problem question linear string x. end padding proof fact np cube function lot size season From David Doty 0 likes 30 plays 0
09:43 ECS 220 4a:6.1-2 observations about the… ECS 220 4a:6.1-2 observations about the polynomial hierarchy and the great collapse	ECS 220 4a:6.1-2 observations about the polynomial hierarchy and the great collapse np circuit sigma level inputs quantifier hierarchy exists kp predicate thing input answer words p. fact function power collapse equals From David Doty 0 likes 43 plays 0