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10:44
P vs. NP and the Computational Complexity Zoo
Hackerdashery #2 Inspired by the Complexity Zoo wiki: https://complexityzoo.uwaterloo.ca/C...
published: 26 Aug 2014
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8:30
NP Completeness for dummies: Complexity Classes P and NP (lec 1)
This video lecture is produced by S. Saurabh. He is B.Tech from IIT and MS from USA. NP c...
published: 05 Nov 2014
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83:05
Computational Complexity
Spring 2014 @ UVa (advanced undergrad level) Recapping P, NP, coNP and halting theorem Sta...
published: 09 Feb 2014
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51:12
23. Computational Complexity
MIT 6.006 Introduction to Algorithms, Fall 2011 View the complete course: http://ocw.mit.e...
published: 14 Jan 2013
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110:47
Ketan Mulmuley, On P vs NP, Geometric Complexity Theory, and the Riemann Hypothesis II
In this talk Ketan Mulmuley, of IAS, discusses the connection between the P vs NP problem,...
published: 18 Dec 2014
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79:13
Ketan Mulmuley, On P vs NP, Geometric Complexity Theory, and the Riemann Hypothesis I
In this talk Ketan Mulmuley, of IAS, discusses the connection between the P vs NP problem,...
published: 18 Dec 2014
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120:05
Ketan Mulmuley, On P vs NP, Geometric Complexity Theory, and the Riemann Hypothesis III
In this talk Ketan Mulmuley, of IAS, discusses the connection between the P vs NP problem,...
published: 18 Dec 2014
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12:18
Lecture 61/65: Time Complexity Classes P And NP
"Theory of Computation"; Portland State University: Prof. Harry Porter; www.cs.pdx/~harry...
published: 23 Jan 2015
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45:07
Complexity Beyond NP-Hardness: Papadimitriou's New Idea and Its Relation to Complexity of Games
Presented by Vladik Kreinvich 3 Apr 2009 at the UTEP CS Colloquium....
published: 09 Nov 2009
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8:33
Complexity Classes - The Class NP
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published: 04 May 2014
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4:18
Np vs Complexity Mini
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published: 11 Apr 2011
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20:40
Complexity Classes - NP complete Problems
...
published: 06 May 2014
author: tudor pc
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57:25
Professor Avi Wigderson on the "P vs. NP" problem
Avi Wigderson is a professor of Mathematics at the Institute for Advanced Study in Princet...
published: 14 May 2012
author: ETH Zürich
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81:11
L19: Uncomputable Functions, and Introduction to Complexity
Proof by diagonalization that there are uncomputable functions; introduction to complexity...
published: 13 Dec 2012
author: UCDavis
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11:13
P vs. NP
Useful links: Stephen Cook's Introduction to the problem: http://www.claymath.org/millenni...
published: 11 Sep 2010
author: Daniel Page
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P vs. NP

Published: 11 Sep 2010
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5:39
NP-hard
NP-hard (Non-deterministic Polynomial-time hard), in computational complexity theory, is a...
published: 30 Aug 2014
author: Audiopedia
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NP-hard

Published: 30 Aug 2014
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10:02
The P versus NP Problem (Part 1)
This video is the first in a multi-part series on the P versus NP problem geared for a bro...
published: 16 Mar 2013
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10:44
The P versus NP Problem (Part 3)
This video is the third in a multi-part series on the P versus NP problem geared for a bro...
published: 16 Mar 2013
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6:15
More Hiking in Modern Math World (2/7) - Complexity Theory, P versus NP, RSA Cryptography
Learn more on http://www.science4all.org about: P versus NP: http://www.science4all.org/le...
published: 12 Sep 2013
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50:08
Introduction to P and NP
Lecture 24 gives an introduction to P and NP and polynomial-time reductions....
published: 01 Oct 2011
author: UCDavis
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65:24
Richard Karp: Effective Heuristics for NP-Hard Problems
Richard Karp: Effective Heuristics for NP-Hard Problems In many practical situations heuri...
published: 17 Oct 2011
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9:13
Project Management Agile And Critical Chain P=NP optimization Michael Nir - Voice over
This is an article based on Michael's book: The Agile PMO -- found on Amazon Is NP=P and w...
published: 29 Jan 2014
author: Michael Nir
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32:47
L20: P, NP and Polynomial-Time Reductions
P, NP, and polynomial-time reductions. Is P = NP?...
published: 13 Dec 2012
author: UCDavis
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61:38
Beyond Computation: The P vs NP Problem - Michael Sipser
Beyond Computation: The P vs NP Problem Michael Sipser, MIT Tuesday, October 3, 2006 at 7:...
published: 23 Nov 2011
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53:06
Luca Trevisan: Average-case Complexity -- A Survey
Luca Trevisan: Average-case Complexity -- A Survey In this survey talk, we review the many...
published: 17 Oct 2011
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81:50
NP Completeness II & Reductions - Lecture 16
All rights reserved for http://www.aduni.org/ Published under the Creative Commons Attribu...
published: 31 Oct 2012
author: Coderisland
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29:24
Martin Ziegler: "Computational Complexity of Geometric Quantum Logic"
Speaker: Martin Ziegler (Technical University of Darmstadt) Title: Computational Complexit...
published: 01 May 2012
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55:12
NP-hardness of Nuclear Norms for Tensors
Shmuel Friedland, University of Illinois at Chicago Tensors in Computer Science and Geomet...
published: 15 Nov 2014
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24:47
Topic 24 C NP Complete Problems
Topic 24 C: NP Complete Problems We illustrate the range of NP Complete problems and how t...
published: 09 Dec 2013
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81:50
NP Completeness II & Reductions
Algorithms 16. NP Completeness II & Reductions aduni....
published: 23 Nov 2012
author: Chao Xu
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58:16
Lecture -26 NP-Completeness-I -Motivation
Lecture Series on Design & Analysis of Algorithms by Prof.Sunder Vishwanathan, Prof.Abhira...
published: 27 Aug 2008
author: nptelhrd
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73:51
The History and Status of the P versus NP Question
The History and Status of the P versus NP Question ADUni Speaker: Michael Sipser....
published: 23 Nov 2012
author: Chao Xu
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76:39
Lecture - 27 NP - Compliteness - II
Lecture Series on Design & Analysis of Algorithms by Prof.Sunder Vishwanathan, Prof.Abhira...
published: 27 Aug 2008
author: nptelhrd
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47:14
SAT is NP Complete
SAT is NP Complete...
published: 13 Nov 2014
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78:40
NP Completeness III - More Reductions - Lecutre 17
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published: 31 Oct 2012
author: Coderisland
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6:47
The Traveling Salesman Problem and the equality of P and NP Part II
The complexity classes P and NP are equal....
published: 09 Jul 2014
author: Mostafa Tab
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52:03
MIT 6.006 Fall 2011 Lecture 23
Computational complexity: complexity classes (polynomial, exponential, solvable in finite ...
published: 03 Jan 2013
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In computational complexity theory, NP is one of the most fundamental complexity classes. The abbreviation NP refers to "nondeterministic polynomial time."

Intuitively, NP is the set of all decision problems for which the instances where the answer is "yes" have efficiently verifiable proofs of the fact that the answer is indeed "yes." More precisely, these proofs have to be verifiable in polynomial time by a deterministic Turing machine. In an equivalent formal definition, NP is the set of decision problems where the "yes"-instances can be decided in polynomial time by a non-deterministic Turing machine. The equivalence of the two definitions follows from the fact that an algorithm on such a non-deterministic machine consists of two phases, the first of which consists of a guess about the solution which is generated in a non-deterministic way, while the second consists of a deterministic algorithm which verifies or rejects the guess as a valid solution to the problem.

The complexity class P is contained in NP, but NP contains many important problems, the hardest of which are called NP-complete problems, for which no polynomial-time algorithms are known for solving them (although they can be verified in polynomial time). The most important open question in complexity theory, the P = NP problem, asks whether polynomial time algorithms actually exist for NP-complete, and by corollary, all NP problems. It is widely believed that this is not the case.




This page contains text from Wikipedia, the Free Encyclopedia - http://en.wikipedia.org/wiki/NP_(complexity)

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