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紧算子的性质与有限维空间中的矩阵很类似,在积分方程和许多数学物理问题的研究中起着核心作用. 函数空间上的算子紧性一直是人们关注的问题.本文研究多变量的Bergman空间L^2_a上的具有BMO^1符号的Toeplitz算子, 并得出其紧性是由它符号的Berezin变换在边界上的行为来刻画.
Abstract: This article studies quadratic semimartingale BSDEs arising in power utility maximization when the market price of risk is of BMO type. In a Brownian setting we provide a necessary and suffi...
We develop some techniques for studying various versions of the function space BMO. Special cases of one of our results give alternative proofs of the celebrated John- Nirenberg inequality and of rel...
Matei and Meyer proved that ‘simple quasicrystals’ are universal sets of sampling and interpolation for signals with a band-limited spectrum. We ask if the corresponding exponential system is a univer...
By using some recent results for divergence form equations obtained in [7, 10], we study the Lp-solvability of second-order ellip-tic and parabolic equations in nondivergence form for any p 2 (1,1).Th...
One defines a non-homogeneous space (X, μ) as a metric space equipped with a non-doubling measure μ so that the volume of the ball with center x, radius r has an upper bound of the form rn for some n ...
与非光滑半群相伴的加权Hardy和BMO空间。
We extend our results about a class of non-regular Lagrange problems of Calculus of Variations showing that the derivative of minimizers are in $BMO$. For this class we give also some results of optim...
This paper gives the -central BMO estimates for commutators of -dimensional Hardy operators on central Morrey spaces.
本文讨论齐型空间上$L^1$ 与{\rm BMO}的内插空间, 得到下列结果:对于$0<\theta<1, \ \ 1\le q \le \infty$, 有$(L^1, {\rm BMO})_{\theta,q}=L_{pq}$, 其中$\theta=1-\frac 1p$.
In this paper presents the procedure in which the author obtains the boundedness on central morrey spaces ()qnRBλ, for the multilinear commutators bT G generated by Calderón-Zygmund operator and vect...
正规李群上BMO函数的分解          2007/12/11
本文将在正规李群上建立 BMO 函数的 Fefferman-Stein 分解.

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