On characterizations of the basic feasible functionals, Part I

  • Authors:
  • Robert J. Irwin;James S. Royer;Bruce M. Kapron

  • Affiliations:
  • Department of Electrical Engineering and Computer Science, Syracuse University, Syracuse, NY 13244, USA/ (e-mail: rjirwin@ecs.syr.edu, royer@ecs.syr.edu);Department of Electrical Engineering and Computer Science, Syracuse University, Syracuse, NY 13244, USA/ (e-mail: rjirwin@ecs.syr.edu, royer@ecs.syr.edu);Department of Computer Science, University of Victoria, Victoria, BC V8W 3P6, Canada/ (e-mail: bmkapron@maclure.csc.uvic.ca)

  • Venue:
  • Journal of Functional Programming
  • Year:
  • 2001

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Abstract

We introduce a typed programming formalism, type-2 inflationary tiered loop programs or ITLP2, that characterizes the type-2 basic feasible functionals. ITLP2 is based on Bellantoni and Cook's (1992) and Leivant's (1995) type-theoretic characterization of polynomial-time, and turns out to be closely related to Kapron and Cook's (1991; 1996) machine-based characterization of the type-2 basic feasible functionals.