Some properties of p-cross-section bodies and generalazation(p-截面体的性质与推广)
对p≥-1, GARDNER R J和GIANNOPOULOS A A引进了p-截面体CpK,并就p的不同取值,对CpK的凸性作了探讨.首先证明了CpK的一些性质,诸如原点对称的n维椭球E的p-截面体是它的极体的一个伸缩、CpCqE=CqCpE, V(CnK) =V(IK)等.而后通过探讨混合径向平均体Rp(K, L)与混合p-截面体Cp(K, L)的相关性,将p-截面体的一些性质推广到了Cp(K, L),并证明了当K和L是En中的凸体且K⊆L时, C1(K, L)是一个凸体....
Main Author: | SHENYa-jun(沈亚军) |
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Format: | Article |
Language: | zho |
Published: |
Zhejiang University Press
2010-03-01
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Series: | Zhejiang Daxue xuebao. Lixue ban |
Subjects: | |
Online Access: | https://doi.org/10.3785/j.issn.1008-9497.2010.02.005 |
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