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This is a continuously updated catalog of approximability results for NP optimization problems. The compendium is also a part of the book
Complexity and Approximation.
Computational complexity and other fun stuff in math and computer science as viewed by
Lance Fortnow.
Oded Goldreich Faculty of Mathematics and Computer Science of Weizmann Institute of Science, Israel.
This is a continuously updated catalog of approximability results for NP optimization problems. The compendium is also a part of the book Complexity and Approximation. The compendium has not been updated for a while, so there might exist recent results that are not mentioned in the compendium. If you happen to notice such a missing result, please report it to us using the web forms.
Lane A. Hemaspaandra and Mitsunori Ogihara,
The book's thesis is that simple algorithms are at the heart of complexity theory. From the tree-pruning and interval-pruning algorithms that shape the first chapter to the query simulation procedures that dominate the last chapter, the central proof methods of the book are algorithmic.
We also consider a new type of complexity-statistical complexity closely related to mathematical statistics.