The set 0(), the 0 closure of F , is the closure with respect to substitution and concatenation recursion on notation of a set of basic functions comprehending the set F . By improving earlier work, we show that 0() is the substitution closure of a simple function set and characterize well‐known function complexity classes as the substitution closure of finite sets of simple functions.

New substitution bases for complexity classes

Stefano Mazzanti
2020-01-01

Abstract

The set 0(), the 0 closure of F , is the closure with respect to substitution and concatenation recursion on notation of a set of basic functions comprehending the set F . By improving earlier work, we show that 0() is the substitution closure of a simple function set and characterize well‐known function complexity classes as the substitution closure of finite sets of simple functions.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11578/286521
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