Major theorems of NP-completeness
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Description
Lecture 27 covers the major theorems of NP-completeness, P = NP question, and how to prove a new problem in NP-complete.
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Lecture 28: Gusfield recaps NP-completeness. The professor discusses coping with NP-complete problems: approximation algorithms and lowering the exponent of exponential-time algorithms.
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In Lecture 26, Gusfield gives correct, formal definitions of P and NP, ending with a brief definition of NP-complete problems (languages).
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Lecture 25 deals with an intuitive view of NP - not the correct formal definition.
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