NK model of fitness landscapes

E1002070

The NK model of fitness landscapes is a theoretical framework in evolutionary biology and complex systems that represents how the fitness of an organism depends on interactions among multiple genes, allowing the study of rugged adaptive landscapes and evolutionary dynamics.

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Predicate Object
instanceOf fitness landscape model ⓘ
model in complex systems ⓘ
model in evolutionary biology ⓘ
theoretical model ⓘ
appliedIn evolutionary computation ⓘ
innovation studies ⓘ
optimization theory ⓘ
organizational theory ⓘ
assumes binary or discrete alleles at each locus in standard form ⓘ
capturesPhenomenon effect of interaction structure on evolutionary trajectories ⓘ
trade-off between ruggedness and evolvability ⓘ
fitnessContribution each locus contributes to fitness depending on its state and K interacting loci ⓘ
formalism maps genotype strings to scalar fitness values ⓘ
hasExtension NKC coevolutionary model ⓘ
NKp model ⓘ
NKq model ⓘ
hasFullName NK model ⓘ
hasParameter K ⓘ
N ⓘ
hasProperty combinatorial genotype space ⓘ
epistatic interactions among loci ⓘ
landscape structure controlled by K ⓘ
multiple local fitness peaks ⓘ
tunable ruggedness ⓘ
introducedBy Stuart Kauffman ⓘ
introducedInField complex systems theory ⓘ
evolutionary biology ⓘ
KMeaning number of interacting loci per locus ⓘ
limitingCase K = 0 gives smooth single-peaked landscape ⓘ
K = N - 1 gives maximally rugged landscape ⓘ
mathematicalStructure discrete combinatorial landscape ⓘ
NMeaning number of loci or genes ⓘ
originatedIn late 20th century ⓘ
relatedConcept adaptive walk ⓘ
epistasis ⓘ
global optimum ⓘ
local optimum ⓘ
search landscape ⓘ
studiesProcess adaptive walks under mutation and selection ⓘ
typicalRepresentation bit strings of length N ⓘ
usedFor studying adaptive landscapes ⓘ
studying coevolution when extended ⓘ
studying epistasis ⓘ
studying evolutionary dynamics ⓘ
studying local optima ⓘ
studying rugged fitness landscapes ⓘ
studying search difficulty in optimization ⓘ

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Stuart Kauffman → knownFor → NK model of fitness landscapes ⓘ
Stuart Kauffman → theory → NK model of rugged fitness landscapes ⓘ
linked to: NK model of fitness landscapes