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Nonbinary representations in the NK and NKCS models

Bull, Larry

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Authors

Lawrence Bull Larry.Bull@uwe.ac.uk
School Director (Research & Enterprise) and Professor



Abstract

The NK model has been used widely to explore aspects of natural evolution and complex systems. Traditionally, the model has used a binary representation scheme. This paper introduces a modified form of the NK model through which to systematically explore the effects of discrete, non-binary representations on evolution over rugged fitness landscapes. Results suggest the basic properties of the original model remain but changes are seen in walk lengths to optima and the sensitivity to mutation rates, in particular. The variation to the case of coupled fitness landscapes, the NKCS model, is also extended in the same way. Again, similarities and differences to the binary case are found.

Journal Article Type Article
Acceptance Date Jul 30, 2021
Online Publication Date Mar 24, 2022
Publication Date Mar 24, 2022
Deposit Date Jul 30, 2021
Publicly Available Date Mar 25, 2022
Journal Complex Systems
Print ISSN 0891-2513
Peer Reviewed Peer Reviewed
Volume 31
Issue 1
Pages 87-101
DOI https://doi.org/10.25088/ComplexSystems.31.1.87
Keywords coevolution; evolution; fitness landscapes; mutation
Public URL https://uwe-repository.worktribe.com/output/7589371

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