Computability Theory - Directory of researchers working in computability theory, and list of open problems.
Hypercomputation Research Network - 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.
Problem Solving Environments Home Page - This site contains information about Problem Solving Environments (PSEs), research, publications, and information on topics related to PSEs.
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Bibliographic Database for Computability Theory - Extensive bibliography on computability and recursion theory, maintained by Peter Cholak.
Church-Turing Thesis - Alonzo Church and Alan Turing formulated the thesis that computability coincides with recursivity; by Jack Copeland.
Computability and Complexity - An online course on complexity.
Computability and Complexity in Analysis Network - The CCA Network provides some useful information for researchers working in the field of computability and complexity in analysis.
Computability Logic - Wictionary - A dictionary definition of the subject.
Computability Theory - Directory of researchers working in computability theory, and list of open problems.
Hypercomputation Research Network - 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.
Interactive Computation - Wikipedia article.
Introduction to Logic and Recursion Theory - Notes from the class taught by Prof. Sacks in the Spring of 1998.
Open Questions in Recursion Theory - Compiled by Theodore A. Slaman, Berkeley TeX/PDF.
Problem Solving Environments Home Page - This site contains information about Problem Solving Environments (PSEs), research, publications, and information on topics related to PSEs.
