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On characterizations of the basic feasible functionals, Part I

Published online by Cambridge University Press:  26 March 2001

ROBERT J. IRWIN
Affiliation:
Department of Electrical Engineering and Computer Science, Syracuse University, Syracuse, NY 13244, USA; (e-mail: rjirwin@ecs.syr.edu, royer@ecs.syr.edu)
JAMES S. ROYER
Affiliation:
Department of Electrical Engineering and Computer Science, Syracuse University, Syracuse, NY 13244, USA; (e-mail: rjirwin@ecs.syr.edu, royer@ecs.syr.edu)
BRUCE M. KAPRON
Affiliation:
Department of Computer Science, University of Victoria, Victoria, BC V8W 3P6, Canada; (e-mail: bmkapron@maclure.csc.uvic.ca)
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Abstract

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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.

Type
Research Article
Copyright
© 2001 Cambridge University Press
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