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UNIFORMLY STARLIKE MAPPINGS AND UNIFORMLY CONVEX MAPPINGS ON THE UNIT BALL B^n 被引量:4
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作者 冯淑霞 刘太顺 《Acta Mathematica Scientia》 SCIE CSCD 2014年第2期435-443,共9页
In this article, we extend the definition of uniformly starlike functions and uni- formly convex functions on the unit disk to the unit ball in C^n, give the discriminant criterions for them, and get some inequalities... In this article, we extend the definition of uniformly starlike functions and uni- formly convex functions on the unit disk to the unit ball in C^n, give the discriminant criterions for them, and get some inequalities for them. 展开更多
关键词 Uniformly starlike mappings uniformly convex mappings the unit ball
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AVERAGE σ-WIDTHS OF THE UNIT BALL OF I_1~∞(R)IN I_2~∞(R)
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作者 Wu Huoxiong Beijing Normal University, China Department of Mathematics Chenzhou Normal College, Hunan, 423000 P R China 《Analysis in Theory and Applications》 1994年第2期92-104,共13页
In this paper we study the average σ-K width and the average σ-linear width of the unit ball of l;(R) inl;(R). The exact values of these widths are calculated and an optimal subspace with the optimal linear oper... In this paper we study the average σ-K width and the average σ-linear width of the unit ball of l;(R) inl;(R). The exact values of these widths are calculated and an optimal subspace with the optimal linear opera-tor (for the σ- linear width) are identified. 展开更多
关键词 Math WIDTHS OF the unit ball OF I1 AVERAGE R)IN I2 APPI 飞飞
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Bounded Projections and Duality on Spaces of Holomorphic Functions in the Unit Ball of (?)~n 被引量:1
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作者 Ren Fuyao Department of Mathematics Fudan University Shanghai,200433 China Xiao Jianbin Department of Mathematics Hunan Normal University Changsha,410081 China 《Acta Mathematica Sinica,English Series》 SCIE CSCD 1995年第1期29-36,共8页
In this paper three Banach spaces A(ф),A(ф)and A~1(ф)of functions holomor- phic in the unit ball B of ■~n are defined.We exhibit bounded projections from C(B)onto A(ф),from L~1(B)onto A~1(ф),and from L~∞(B)onto... In this paper three Banach spaces A(ф),A(ф)and A~1(ф)of functions holomor- phic in the unit ball B of ■~n are defined.We exhibit bounded projections from C(B)onto A(ф),from L~1(B)onto A~1(ф),and from L~∞(B)onto A(ф).Using these projections,we show that A(ф)~*≌A~1(ф)and A~1(ф)~*≌A(ф). 展开更多
关键词 Bounded Projections and Duality on Spaces of Holomorphic Functions in the unit ball of MATH ball
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Solving Neumann Boundary Problem with Kernel-Regularized Learning Approach
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作者 Xuexue Ran Baohuai Sheng 《Journal of Applied Mathematics and Physics》 2024年第4期1101-1125,共25页
We provide a kernel-regularized method to give theory solutions for Neumann boundary value problem on the unit ball. We define the reproducing kernel Hilbert space with the spherical harmonics associated with an inner... We provide a kernel-regularized method to give theory solutions for Neumann boundary value problem on the unit ball. We define the reproducing kernel Hilbert space with the spherical harmonics associated with an inner product defined on both the unit ball and the unit sphere, construct the kernel-regularized learning algorithm from the view of semi-supervised learning and bound the upper bounds for the learning rates. The theory analysis shows that the learning algorithm has better uniform convergence according to the number of samples. The research can be regarded as an application of kernel-regularized semi-supervised learning. 展开更多
关键词 Neumann Boundary Value Kernel-Regularized Approach Reproducing Kernel Hilbert Space the unit ball the unit Sphere
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