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Regular expressions. Closure properties. Sequential machines and finite state transducers. State minimization. Chomsky hierarchy grammars, pushdown acceptors and linear bounded automata. Closure ...

David Craven does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Firefox 1.0 is released. The name is a reference to the Red Panda, a “cat-bear” native to the eastern Himalayas and southwestern China. It shipped to over a million downloads on the first day, 10 ...

There is nothing remarkable about mathematicians' achievements going unrecognised in a wider world changed by their discoveries. The hidden history of Alan Turing is just a particularly bizarre ...

Alan Turing achieved more in the space of a few decades than anyone could hope to achieve in a lifetime. His ability to imagine the unimaginable and put these lofty theories down on paper, and then ...

Mathematician Alan Turing invented an imaginary computer known as the Turing Machine; in an age before computers, he explored the concept of what it meant to be computable, creating the field of ...