ECCC - Electronic Colloquium on Computational Complexity (Popularity: ): The Electronic Colloquium on Computational Complexity is a new forum for the rapid and widespread interchange of ideas, techniques, and research in computational complexity. The Electronic Colloquium on Computational Complexity ... Computability Theory (Popularity: ): Directory of researchers working in computability theory, and list of open problems. Bibliographic Database for Computability Theory (Popularity: ): Extensive bibliography on computability and recursion theory, maintained by Peter Cholak. Computability and Complexity (Popularity: ): An online course on complexity. Problem Solving Environments Home Page (Popularity: ): This site contains information about Problem Solving Environments (PSEs), research, publications, and information on topics related to PSEs. Hypercomputation Research Network (Popularity: ): The study of computation beyond that defined by the Turing machine, also known as super-Turing, non-standard or non-recursive computation. Links to people, resources and discussions. Church-Turing Thesis (Popularity: ): Alonzo Church and Alan Turing formulated the thesis that computability coincides with recursivity; by Jack Copeland. Introduction to Logic and Recursion Theory (Popularity: ): Notes from the class taught by Prof. Sacks in the Spring of 1998. Interactive Computation (Popularity: ): Wikipedia article. Computability Logic - Wictionary (Popularity: ): A dictionary definition of the subject. Mizar Project (Popularity: ): An attempt to reconstruct mathematical vernacular into a formal language which can be read by humans and also verified by software.