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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 11 plays 0
14:14 ECS 220 4b:6.2 upper bounds versus lower bounds ECS 220 4b:6.2 upper bounds versus lower bounds	ECS 220 4b:6.2 upper bounds versus lower bounds algorithm log algorithms problem computation tree comparisons box n. element elements bounds formula leaves comparison bits bit length times array From David Doty on March 21st, 2021 0 likes 17 plays 0
04:55 ECS 220 1b:2.5 tractability and mathematical… ECS 220 1b:2.5 tractability and mathematical insight	ECS 220 1b:2.5 tractability and mathematical insight algorithm algorithms problem chapter lot insight problems class difference graph integer insights structure goal scientists computer answer decision kind observation From David Doty on March 21st, 2021 0 likes 29 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 1 plays 0
08:41 ECS 120 9a:1 halting problem definition and… ECS 120 9a:1 halting problem definition and Turing-recognizability	ECS 120 9a:1 halting problem definition and Turing-recognizability algorithm input function halts string recognizer python w. language answer problem chapter symbols instance algorithms count a. occurrences candidate lecture From David Doty on March 20th, 2021 0 likes 1 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 1 plays 0
04:28 ECS 120 8a:5 ranking the hardness of problems ECS 120 8a:5 ranking the hardness of problems	ECS 120 8a:5 ranking the hardness of problems algorithm problem a. cubed bit notion problems amount b. end reduction calls decision isms reducibility level zoom algorithms exponent equivalent From David Doty on March 20th, 2021 0 likes 1 plays 0
02:14 ECS 120 7c:5 the P vs NP question ECS 120 7c:5 the P vs NP question	ECS 120 7c:5 the P vs NP question np subset problems question conjecture laws kepler motion intuition decision algorithms verifier correctness theorem proof planets thousands bit reasons lot From David Doty on March 20th, 2021 0 likes 3 plays 0
03:18 ECS 120 7a:3 P is the same for most encodings and… ECS 120 7a:3 P is the same for most encodings and programming languages	ECS 120 7a:3 P is the same for most encodings and programming languages differences algorithm programming python sort theory machines turing algorithms languages language intuition fact observation answers meaning notion problem elegance reading From David Doty on March 20th, 2021 0 likes 5 plays 0
08:06 ECS 120 7a:1 time complexity classes and the Time… ECS 120 7a:1 time complexity classes and the Time Hierarchy Theorem	ECS 120 7a:1 time complexity classes and the Time Hierarchy Theorem problems language t1 complexity theorem t2 languages star subset class algorithms observation machine decision words cubed things bounds function n. From David Doty on March 20th, 2021 0 likes 10 plays 0
08:27 ECS 120 6c:2 measuring running time ECS 120 6c:2 measuring running time	ECS 120 6c:2 measuring running time input algorithm seconds function length steps turing numbers machine definition computer algorithms tape environment lot running problem string multi issue From David Doty on March 20th, 2021 0 likes 43 plays 0
11:34 ECS 120 6a:1 languages decided-recognized by TMs ECS 120 6a:1 languages decided-recognized by TMs	ECS 120 6a:1 languages decided-recognized by TMs turing machine strings terrain language term machines algorithm languages string dfa problem word input definition algorithms answer accept loop lot From David Doty on March 20th, 2021 0 likes 73 plays 0
13:47 ECS 120 1a:1 introduction to course ECS 120 1a:1 introduction to course	ECS 120 1a:1 introduction to course cycle string graph zeros question root computers strings expression algorithms problems task twos integer polynomial theory node fact multivariate difference From David Doty on March 20th, 2021 0 likes 114 plays 0
32:54 LP Polyhedra-Lec13 LP Polyhedra-Lec13	LP Polyhedra-Lec13 perturbation method, complexity of simplex method, primal and dual dictionaries. polyhedra matrix variables dictionary method simplex function basis epsilon solution numbers slack problem variable algorithm algorithms linear expression rule inverse expressions From Jesus De Loera on March 7th, 2021 0 likes 8 plays 0
42:40 Lecture168-Algorithms11(last) Lecture168-Algorithms11(last)	Lecture168-Algorithms11(last) optimization algorithms edges algorithm problem tree cut vertices walk graph edge approximation size s. cost homework degree tour matching probability sum solution From Jesus De Loera on February 12th, 2021 0 likes 15 plays 0
43:11 Lecture168-Algorithm10 Lecture168-Algorithm10	Lecture168-Algorithm10 optimization algorithms problem problems algorithm tree np partition knapsack sum answer reduction numbers tour weight walk cycle distances decision solution edge machine From Jesus De Loera on February 10th, 2021 0 likes 11 plays 0