Every Banach space with a w*-separable dual has a 1+ε-equivalent norm with the ball covering propert

来源 :中国科学:数学英文版 | 被引量 : 0次 | 上传用户:mazipeng
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
A normed space is said to have ball-covering property if its unit sphere can be contained in the union of countably many open balls off the origin. This paper shows that for every ε】0 every Banach space with a w*-separable dual has a 1+ε-equivalent norm w
其他文献
In ground-based astronomy,images of objects in outer space are acquired via ground-based telescopes.However,the imaging system is generally interfered by atmosp
Semiparametric 回归模型和估计的协变性功能为纵的学习是很有用的。注意积极明确的限制,我们采用修改 Cholesky 分解途径分解协变性结构。当允许 nonparametric 变化功能时,然
This paper presents an empirical likelihood estimation procedure for parameters of the discretely sampled process of Ornstein-Uhlenbeck type. The proposed proce
In this paper,we discuss the multi-scale homogenization theory for the second order elliptic problems with small periodic coefficients of the form xi(aij(x
A family (X, B1), (X, B2), . . . , (X, Bq) of q STS(v)s is a λ-fold large set of STS(v) and denoted by LSTSλ(v) if every 3-subset of X is contained in exactly
The travelling wave solutions of a generalized Camassa-Holm-Degasperis-Procesi equation ut-uxxt + (1 + b)umux = buxuxx + uuxxx are considered where b > 1 and m
在这份报纸,我们由使用 cyclotomic 班和索引 2 高斯和的工会在有限的地上构造强烈常规的图的一些家庭。强烈常规的图的新无限的家庭被发现。
In this paper we present a filter-successive linearization method with trust region for solutions of nonlinear semidefinite programming. Such a method is based
The alternating direction method of multipliers(ADMM)is a benchmark for solving convex programming problems with separable objective functions and linear constr
This is the note for a series of lectures that the author gave at the Centre de Recerca Matemtica (CRM), Bellaterra, Barcelona, Spain on October 19–24, 2009.