Theory

• Automata, Computability, and Complexity, Spring 2005 - Course 6.045J / 18.400J at MIT OpenCourseWare with introduction to basic mathematical models of computation, Turing machines, Church's Thesis, time complexity and NP-completeness.
• Challenging Benchmarks for SAT and CSP - Includes related links, references and a summary of the results for the SAT benchmarks used in SAT Competition 2004.
• A Compendium of NP Optimization Problems - This is a preliminary version of the catalog of NP optimization problems.
• Complexity of Algorithms - A list of topics from a Computer Science course involving complexity of algorithms. HTML and PS format.
• Complexity Theory - Two set of lecture notes by Prof. Oded Goldreich, Weizmann Institute.
• Complexity Zoo - Description of the 462 complexity classes and relations between them hosted at Caltech as a part of Qwiki project.
• Computability and Complexity - An online course on complexity.
• Computational Complexity and Programming Languages - Summaries of talks of the DIMACS workshop (July 1996), collected by James Royer.
• Computational Complexity Theory - Definition of the subject, links.
• Computational Complexity Theory - Course COMS 30126: Computational Complexity Theory, Department of Computer Science, University of Bristol
• Computational Complexity Theory - Wikipedia article.
• Constraint Satisfaction Problems - Research group in the Computing Laboratory, Oxford University.
• ECCC - Electronic Colloquium on Computational Complexity - A forum for the rapid and widespread interchange of ideas, techniques, and research in computational complexity. Research reports, surveys and books; meetings, discussions and web resources.
• Efficient algorithms and intractable problems - Course taught by Christos Papadimitriou and Umesh Vazirani at the University of California at Berkeley.
• IBM Research: Algorithms & Theory - An overview of computational models and methods and how they relate to complexity, with links to selected papers.
• Information-based Complexity - People, publications, prizes.
• Lecture notes on Complexity - Collection of lecture notes by Prof. Eric Allender, Rutgers University.
• $1 million for solving P vs NP - One of the Prize Problems named by the Clay Mathematics Institute of Cambridge, Massachusetts (CMI).
• Parameterized Complexity - Brief description, list of workers and problem compendium, compiled by Todd Wareham.
• Probabilistically Checkable Proofs and Approximation - Pointers to some survey articles and their authors, by M. Bellare.
• SAT Live! - A collection of up-to-date links about the satisfiability problem (solvers, benchmarks, articles). A discussion forum is available as well.
• SATLIB - The Satisfiability Library - A collection of benchmark problems, solvers, and tools. Provides a uniform test-bed for SAT solvers as well as a site for collecting SAT problem instances, algorithms, and empirical characterisations of the algorithms' performance.
• Theoretical Computer Science links - A collection of bookmarks to algorithms and complexity resources maintained by Heribert Vollmer at the Theoretical Computer Science Institute, University of Hannover.
• Theory of Computation, Fall 2006 - Course 6.045J/18.400J at MIT OpenCourseWare, emphasizing computability and computational complexity theory.