Technical Report CS0076

TR#:CS0076
Class:CS
Title: w-Computations On Turing Machines
Authors: Rina S. Cohen and Arie Y.Gold
PDFCS0076.pdf
Abstract: The paper develops the theory of Turing machines as recognizers of infinite (w-type) input tapes. Various models of w-type Turing acceptors are considered, varying mainly in their mechanism for recognizing w-tapes. A comparative study of the models is made. It is shown that regardless of the w-recognition model considered, non-deterministic w-Turing acceptors are strictly more powerful than their deterministic counterparts. Canonical forms are obtained for each of the w-Turing acceptor models. The corresponding families of w-sets are studied; normal forms and algebraic characterizations are derived for each family.
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