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加权Besov嵌入中的线性随机宽度

Linear stochastic widths of weighted Besov embedding
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摘要 研究了如下嵌入空间中的线性随机n-宽度:Bs1p1,q1(Rd,α)→Bs2p2,q2(Rd),1≤p1,p2,q1,q2≤∞,min(α,δ)>dmax(1/p2-1/p1,0).其中:δ=s1-s2-d(1/p1-1/p2);Bs1p1,q1(Rd,α)表示加权的Besov空间;权函数为ωα(x)=(1+|x|2)α/2,α>0.并且利用离散化方法得到了相应的渐进阶. It was determined the asymptotic degree of the linear stochastic n-widths by the method of discreti-zation of the compact embedding Bs1p1,q1 (Rd ,α) Bs2 p2,q2 (Rd ),1 ≤ p1 ,p2 ,q1 ,q2 ≤ ∞ ,min(α,δ)〉dmax (1/P2-1/P1,0) . Where δ = s1 - s2 - d 1p( 1/P1-1/P2),Bs1 p1,q1 (Rd ,α)denoted a weighted Besov space and the weight was given byωα(x)=(1 + | x | 2 )α/2 ,α〉 0.
出处 《浙江师范大学学报(自然科学版)》 CAS 2014年第2期171-176,共6页 Journal of Zhejiang Normal University:Natural Sciences
基金 国家自然科学基金资助项目(1271331)
关键词 线性随机宽度 嵌入 BESOV 空间 权函数 linear stochastic widths embedding Besov space weighted function
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参考文献15

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