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Computational Complexity Analysis of Genetic Programming

  • Andrei LissovoiEmail author
  • Pietro S. Oliveto
Chapter
Part of the Natural Computing Series book series (NCS)

Abstract

Genetic programming (GP) is an evolutionary computation technique to solve problems in an automated, domain-independent way. Rather than identifying the optimum of a function as in more traditional evolutionary optimization, the aim of GP is to evolve computer programs with a given functionality. While many GP applications have produced human competitive results, the theoretical understanding of what problem characteristics and algorithm properties allow GP to be effective is comparatively limited. Compared with traditional evolutionary algorithms for function optimization, GP applications are further complicated by two additional factors: the variable-length representation of candidate programs, and the difficulty of evaluating their quality efficiently. Such difficulties considerably impact the runtime analysis of GP, where space complexity also comes into play. As a result, initial complexity analyses of GP have focused on restricted settings such as the evolution of trees with given structures or the estimation of solution quality using only a small polynomial number of input/output examples. However, the first computational complexity analyses of GP for evolving proper functions with defined input/output behavior have recently appeared. In this chapter, we present an overview of the state of the art.

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Rigorous Research, Department of Computer ScienceUniversity of SheffieldSheffieldUK

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