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ECS20 - W23 - Lecture 19 (10T): Graphs

Lecture of 2022-03-08. Example of graphs. Informal description of isomorphism. Formal definition of isomorphic graphs. Status of deciding GRAPH ISOMORPHISM and of proving that two graphs are…

From  Phil Rogaway 0 likes 90 plays 0  

ECS 220 5c:6.6 why is it hard to prove P neq NP

From  David Doty 0 likes 26 plays 0  

ECS 220 5b:6.6-4 two lemmas and full proof of Ladner_s theorem

From  David Doty 0 likes 25 plays 0  

ECS 220 5b:6.6-2 almost proof of Ladner's theorem

From  David Doty 0 likes 28 plays 0  

ECS 220 5b:6.6-1 Ladner's theorem, existence of NP-intermediate problems

From  David Doty 0 likes 42 plays 0  

ECS 220 5a:6.4-2 P^SAT and P^NP

From  David Doty 0 likes 77 plays 0  

ECS 220 2a:4.2-4 Clique, Independent-Set, Vertex-Cover

From  David Doty 0 likes 54 plays 0  

ECS 120 8c:4 Cook-Levin Theorem if P neq NP, then no NP-complete problem is in P

From  David Doty 0 likes 140 plays 0  

ECS 120 8b:3 using reductions to bound hardness of problems

From  David Doty 0 likes 185 plays 0  

ECS 120 8b:2 definition of polynomial-time reducibility

Errata: starting at 8:30, I show Python code with the function reduction_from_clique_to_independent_set. This should be reduction_from_independent_set_to_clique instead.

From  David Doty 0 likes 243 plays 0  

ECS 120 8b:1 reducing IndSet to Clique

From  David Doty 0 likes 227 plays 0  

ECS 120 7c:4 example problem in NP - SubsetSum

From  David Doty 1 likes 200 plays 0  

ECS 120 7c:3 example problem in NP - Clique

From  David Doty 1 likes 264 plays 0  

VEN 101C: Week 6 - Video 1

From  Christopher Chen 0 likes 51 plays 0