We analyse the computational complexity of phonological models as they have developed over the past twenty years. The major results ate that generation and recognition are undecid...
The development and evolution of the technologies and standards for Internet email took over twenty years, and arguably is still underway today. The protocols to move email betwee...
In this article, we discuss the lessons in innovation from the last twenty years of the Internet that might be applied in the cellular telephone industry. Categories and Subject D...
For twenty years the Nuprl ("new pearl") system has been used to develop software systems and formal theories of computational mathematics. It has also been used to expl...
Stuart F. Allen, Mark Bickford, Robert L. Constabl...
The first example of an absolutely normal number was given by Sierpinski in 1916, twenty years before the concept of computability was formalized. In this note we give a recursive...