Proportional concentration phenomena on the sphere

Proportional concentration phenomena on the sphere
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球体上的比例浓度现象

DOI:
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发表时间:
2002
期刊:
影响因子:
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通讯作者:
S. Artstein
S. Artstein
中科院分区:
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文献类型:
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作者:
S. Artstein

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本文建立了任意维子空间的集中现象。也就是说,我们给出了球体上的哈尔测度集中在与给定维数的rn的子空间相交的邻域上的条件。我们展示了在球面上点的投影问题和熵数对偶猜想中的应用。
In this paper we establish concentration phenomena for subspaces with arbitrary dimension. Namely, we display conditions under which the Haar measure on the sphere concentrates on a neighborhood of the intersection of the sphere with a subspace ofRn of a given dimension. We display applications to a problem of projections of points on the sphere, and to the duality of entropy numbers conjecture.