Centres of Convex Sets inLpMetrics

Centres of Convex Sets inLpMetrics
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LpMetrics 中的凸集中心

DOI:
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发表时间:
1996
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通讯作者:
Krzysztof Przeslawski
Krzysztof Przeslawski
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作者:
Krzysztof Przeslawski

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它示出,对于每个凸体A?是否存在一个自然定义的遗传算法族?C(Sn?1)这样,对于每个?GA,和每个凸函数f:R?Rthe mappingy??锡?1f(g(x)?y,x?)你是谁?(x)有一个极小化子,它属于A。作为应用,讨论了凸体关于Lp度量的球逼近。
It is shown that for each convex bodyA?Rnthere exists a naturally defined family GA?C(Sn?1) such that for everyg?GA, and every convex functionf:R?Rthe mappingy??Sn?1f(g(x)??y, x?)d?(x) has a minimizer which belongs toA. As an application, approximation of convex bodies by balls with respect toLpmetrics is discussed.