Search for tag: "turing"

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01:19:00 ECS 289A Lecture 8b ECS 289A Lecture 8b	ECS 289A Lecture 8b machine counter probability bit tape turing machines things dna rate kind strand reaction error simulation times base step head computation From David Doty on March 22nd, 2021 0 likes 3 plays 0
01:10:06 ECS 289A Lecture 2b ECS 289A Lecture 2b	ECS 289A Lecture 2b tile shape tiles machine thing point turing computation points types sort bit assembly tape input log shapes tree subset string From David Doty on March 22nd, 2021 0 likes 2 plays 0
01:16:10 ECS 289A Lecture 1a ECS 289A Lecture 1a	ECS 289A Lecture 1a dna tiles computation things tile sort model theory kind lot square molecules bit idea strength thing machine turing nanotechnology shape From David Doty on March 22nd, 2021 0 likes 15 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 19 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 13 plays 0
06:35 ECS 220 8a:8.1-1 space versus time, and… ECS 220 8a:8.1-1 space versus time, and read-only, write-only, and read-write memory	ECS 220 8a:8.1-1 space versus time, and read-only, write-only, and read-write memory space input memory machine turing computation complexity output linear usage sense bits access amount difference integer location storage write model From David Doty on March 21st, 2021 0 likes 19 plays 0
06:44 ECS 220 7c:7.5-2 existence of universal machines… ECS 220 7c:7.5-2 existence of universal machines and the Church-Turing thesis	ECS 220 7c:7.5-2 existence of universal machines and the Church-Turing thesis machine turing paper statement model thesis church computation problem net law device machines tapes terrain models functions description computing weights From David Doty on March 21st, 2021 0 likes 8 plays 0
01:48 ECS 220 7c:7.4 λ-calculus ECS 220 7c:7.4 λ-calculus	ECS 220 7c:7.4 λ-calculus programming languages functions language science computer calculus model sort variant scheme lines notation lambda interpreter programs reason ton machines turing From David Doty on March 21st, 2021 0 likes 13 plays 0
08:11 ECS 220 7a:7.6-2 Turing universality of 3-counter… ECS 220 7a:7.6-2 Turing universality of 3-counter machines	ECS 220 7a:7.6-2 Turing universality of 3-counter machines tape machine head turing bit bits end string counters counter half integer blank blanks configuration memory division pause change effect From David Doty on March 21st, 2021 0 likes 13 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 on March 21st, 2021 0 likes 12 plays 0
02:44 ECS 220 4b:6.1-1 time constructible functions ECS 220 4b:6.1-1 time constructible functions	ECS 220 4b:6.1-1 time constructible functions function string input machine n. length words sort constructable cetera steps outputs bounds functions t. theorems problem halts turing times From David Doty on March 21st, 2021 0 likes 16 plays 0
06:34 ECS 220 3a:5-5.2 circuit to simulate Turing… ECS 220 3a:5-5.2 circuit to simulate Turing machine, Witness-Existence reduces to Circuit-SAT	ECS 220 3a:5-5.2 circuit to simulate Turing machine, Witness-Existence reduces to Circuit-SAT tape circuit machine turing input gates subcircuit configuration witness space steps inputs cells bits head constants output symbol blanks width From David Doty on March 21st, 2021 0 likes 18 plays 0
04:04 ECS 220 3a:4-5.2 string representation of Turing… ECS 220 3a:4-5.2 string representation of Turing machine	ECS 220 3a:4-5.2 string representation of Turing machine tape machine head configuration position alphabet bits string turing cell strings representation binary circuit zeros symbols log blank content algorithm From David Doty on March 21st, 2021 0 likes 19 plays 0
11:35 ECS 120 9b:4 how to spot undecidability ECS 120 9b:4 how to spot undecidability	ECS 120 9b:4 how to spot undecidability behavior input question algorithm questions problem machine turing examples lines steps proof inputs intuition alphabet syntax notes lecture source stuff From David Doty on March 20th, 2021 0 likes 66 plays 0
06:47 ECS 120 9b:3 rejecting problem is undecidable ECS 120 9b:3 rejecting problem is undecidable	ECS 120 9b:3 rejecting problem is undecidable input epsilon algorithm halts problem string machine turing property thing contradiction behavior step age dancer ar dmd tm boilerplate rest From David Doty on March 20th, 2021 0 likes 60 plays 0
07:38 ECS 120 9b:2 empty language problem is undecidable ECS 120 9b:2 empty language problem is undecidable	ECS 120 9b:2 empty language problem is undecidable epsilon input string inputs algorithm halts m. behavior problem machine tm answer function contradiction turing language algorithms definition lot difference From David Doty on March 20th, 2021 0 likes 58 plays 0