期刊
EVOLUTIONARY COMPUTATION
卷 17, 期 1, 页码 117-129出版社
MIT PRESS
DOI: 10.1162/evco.2009.17.1.117
关键词
Black Box Search; no free lunch
资金
- School of Computer Science
Since its inception, the No Free Lunch theorem (NFL) has concerned the application of symmetry results rather than the symmetries themselves. In our view, the conflation of result and application obscures the simplicity, generality, and power of the symmetries involved. This paper separates result from application, focusing on and clarifying the nature of underlying symmetries. The result is a general set-theoretic version of NFL which speaks to symmetries when arbitrary domains and co-domains are involved. Although our framework is deterministic, we note situations where our deterministic set-theoretic results speak nevertheless to stochastic algorithms.
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