混合相交体的对偶仿射均质积分不等式

Lutwark提出对偶仿射均质积分的概念,拓宽了经典的对偶混合体积理论.混合相交体一直是凸几何经典理论的研究对象,这里结合Holder积分不等式和Minkowski 积分不等式建立了对偶仿射均质积分关于混合相交体的对偶Minkowski不等式和对偶Brunn-Minkowski不等式.     

混合相交体的对偶Minkowski不等式的均质积分形式

混合相交体是对偶Brunn-Minkowski理论中的一个重要研究对象,由于混合相交体的概念出现较晚,对它的讨论与研究比较缺乏.对此,主要在对偶Brunn-Minkowski理论的指导下,建立了关于混合相交体的经典Minkowski不等式的对偶均质积分形式.     

调和径向组合的对偶均质积分

该文建立了星体调和径向组合对偶均质积分的Brunn-Minkowski型不等式,并证明了它与L_p-对偶混合均质积分的Minkowski不等式是等价的.     

Lp-混合投影体的Shephard问题与Minkowski-Funk变换

推广了Rn中凸体K的i-曲率函数fi(K,·)(i=0,1,…,n-1)和Lp-曲率函数fp(K,·)(p≥1)的概念,引进了Rn中凸体K的L-混合曲率函数f(K,.)(i=0,1,…,n-1,p≥1)的概念,研究了L-混合投影体Πp,iKΠp,iL是否一定>Wi(K)≤Wi(L),当1≤p相似文献   

广义L_p-仿射表面积和Shephard型问题

对于p≥1,引入了Rn中凸体K的i-型Lp-仿射表面积Ω(i)p(K)(i=0,1,…,n-1)的概念,使得Lp-仿射表面积Ωp(K)是其i=0的特殊类;运用Lp-Brunn-Minkowski理论和余弦变换方法,成功地解决了Lp-混合投影体∏p,iK∏p,iL是否一定蕴含Ω(i)p(K)≤Ω(i)p(L)的Shephard型问题.     

混合相交体对偶均质积分的逆向Minkowski不等式

Lutwak引进了混合相交体的概念并给出了混合相交体的Minkowski不等式.本文给出了混合相交体对偶均质积分的逆向Minkowski不等式.     

L_p空间中的对偶混合均质积分商函数

在L_p对偶混合均质积分的基础上,给出了L_p空间中星体的对偶混合均质积分商函数的概念.通过积分方法,结合径向Minkowski线性组合、径向Blaschke线性组合,以及调和径向Blaschke线性组合,得到了L_p对偶混合均质积分商函数的Brunn-Minkowski型不等式.     

向量值参数型Marcinkiewicz积分交换子的有界性

证明了向量值参数型Marcinkiewicz积分交换子μp,r Ω,p是(Lp,Fβ,∞ p)和(Lp,Ls)有界的,其中Ω满足某类Lq-Dini条件,拓广了以往的结果.     

M-Z型序列的最大值不等式和大偏差定理

设{Xn,n≥1}为p阶M-Z型序列,Sn(a)=∑i=a+1 a+n Xi,n≥1,a≥0且Xi∈Lp,i≥1.讨论了M-Z型序列的最大值不等式和大偏差定理,得到了p≥2情形下的估计μ(|Sn(a)|>n)≤cn-p/2以及p∈(1,2]情形下的估计μ(|Sn(a)|>n)≤cn1-p.最后给出了M-Z型序列部分和的最大值序列m ax1≤k≤nSk(a)和混合序列部分和Sn(a)的大偏差定理.     

关于凸集平均曲率积分的注记

本文对欧氏空间Rn中凸集的平均曲率积分进行了研究.利用初等对称函数的性质和平均曲率积分的定义,得到了几个关于平均曲率积分的不等式,即文中的(1)、(2)和(6)式;并在此基础上利用经典的Cauchy公式,得到了2个新的关于凸集均质积分的不等式,即文中的(9)、(10)和(11)式.     

Some inequalities for the L p -mixed quermassintegrals

Wuhan University Journal of Natural Sciences - In this paper, a cyclic inequality and a monotonic inequality of L p -mixed quermassintegrals are established. Meanwhile, we obtain an inequality for...     

Some Inequalities for L_p-Dual Mixed Quermassintegrals

Wang and Zhang defined a type of Lp-dual mixed quermassintegrals based on the Lp-radial combinations and dual quermassintegrals of star bodies. In the article, the product inequalities for this Lp-dual mixed quermassintegrals are established. As the applications, we obtain the lower bounds of dual quermassintegrals product. Further, the Brunn-Minkowski type inequality and the cycle inequality for the Lp-dual mixed quermassintegrals are given.     

Extremum Values of Asymmetric Lp-Difference Bodies for Quermassintegrals and Dual Quermassintegrals

Based on Lutwak's the notion of Lp-difference bodies, Wang and Ma introduced asymmetric Lp-difference bodies and gave their extremum values for volumes. In this paper, we establish the extremum value inequalities for the quermassintegrals and dual quermassintegrals of asymmetric Lp-difference bodies and their polars, respectively.     

Extremum Values of Asymmetric <Emphasis Type="Italic">Lp</Emphasis>-Difference Bodies for Quermassintegrals and Dual Quermassintegrals

Based on Lutwak’s the notion of Lp-difference bodies, Wang and Ma introduced asymmetric Lp-difference bodies and gave their extremum values for volumes. In this paper, we establish the extremum value inequalities for the quermassintegrals and dual quermassintegrals of asymmetric Lp-difference bodies and their polars, respectively.     

Brunn-Minkowski Inequalities of General L_p-Intersection Bodies

In this paper, we study the extremum inequalities of general L_p-intersection bodies. In addition, associating with the L_q-radial combination and L_q-harmonic Blaschke combination, we establish the Brunn-Minkowski type inequalities of general L_p-intersection bodies for dual quermassintegrals, respectively. As applications, inequalities of volume are derived.     

The Brunn-Minkowski type inequalities for mixed brightness-integrals

The mixed brightness-integrals were defined by Li and Zhu. In this paper, we first establish two Brunn-Minkowski ine- qualities of the mixed brightness-integrals based on the Blaschke sum and Minkowski sum of convex bodies. Further, we also obtain the Beckenbach-Dresher type inequalities of the mixed bright- ness-integrals combining the harmonic Blaschke sum and the harmonic radial sum of star bodies.     

Lp对偶Minkowski不等式的稳定性

运用分析不等式与变分法研究L_p对偶Minkowski不等式的稳定性问题,得到了L_p对偶混合均值积分的稳定型不等式,当p=1时即为经典对偶Minkowski不等式的稳定性.     

凸体的lp范数

将凸体的l范数推广到Lp空间,引入lp范数并证明在Lowner椭球(包含凸体的最小椭球)是球的所有凸体中,八面体具有最大的lp范数.同时还给出了lp范数的Blaschke-Sanatlaó型不等式.