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Signatures of dual scaling regimes in a simple avalanche model for magnetospheric activity

✍ Scribed by S.C. Chapman; N.W. Watkins; G. Rowlands


Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
235 KB
Volume
63
Category
Article
ISSN
1364-6826

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The tunably rugged NK-model is used to study avalanche-like events that occur when environmental change causes fitness optima to disappear. The probability of an event with Delta substitutions scales as exp(-c Delta) for smooth landscapes, and as exp(-c Delta(2)) for rugged landscapes. Increasing th