Sequential Automatic Algebras

  • Authors:
  • Michael Brough;Bakhadyr Khoussainov;Peter Nelson

  • Affiliations:
  • Department of Computer Science, University of Auckland,;Department of Computer Science, University of Auckland,;Department of Computer Science, University of Auckland,

  • Venue:
  • CiE '08 Proceedings of the 4th conference on Computability in Europe: Logic and Theory of Algorithms
  • Year:
  • 2008

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Abstract

A sequential automatic algebrais a structure of the type (A; f1,..., fn), where Ais recognised by a finite automaton, and functions f1, ..., fnare total operations on Athat are computed by input-output automata. Our input-output automata are variations of Mealy automata. We study some of the fundamental properties of these algebras and provide many examples. We give classification results for certain classes of groups, Boolean algebras, and linear orders. We also introduce different classes of sequential automatic algebras and give separating examples. We investigate linear orders considered as sequential automatic algebras. Finally, we outline some of the basic properties of sequential automatic unary algebras.