For analytic functions u,ψin the unit disk D in the complex plane and an analytic self-mapφof D,we describe in this paper the boundedness and compactness of product type operators T_(u,ψ,φ)f(z)=u(z)f(φ(z))+ψ(z)f...For analytic functions u,ψin the unit disk D in the complex plane and an analytic self-mapφof D,we describe in this paper the boundedness and compactness of product type operators T_(u,ψ,φ)f(z)=u(z)f(φ(z))+ψ(z)f'(φ(z)),z∈D,acting between weighted Bergman spaces induced by a doubling weight and a Bloch type space with a radial weight.展开更多
In this paper,by characterizing Carleson measures,we investigate a class of bounded Toeplitz operator between weighted Bergman spaces with Békolléweights over the half-plane for all index choices.
令M_(u)为C^(n)中开单位球B上全纯函数符号为u的乘法算子,C_(φ)为B的全纯自映射符号为φ的复合算子,R^(m),m∈N为第m阶迭代径向导数算子.本文刻画了从加权Bergman空间到加权型空间上的算子C_(φ)R^(m)M_(u)的度量有界性和度量紧性.作...令M_(u)为C^(n)中开单位球B上全纯函数符号为u的乘法算子,C_(φ)为B的全纯自映射符号为φ的复合算子,R^(m),m∈N为第m阶迭代径向导数算子.本文刻画了从加权Bergman空间到加权型空间上的算子C_(φ)R^(m)M_(u)的度量有界性和度量紧性.作为证明的一个应用,本文也刻m画了算子S→u,φ,m=∑m i=0 Mu i C_(φ)R^(i)的类似性质.展开更多
We study sufficient conditions on radial and non-radial weight functions on the upper half-plane that guarantee norm approximation of functions in weighted Bergman,weighted Dirichlet,and weighted Besov spaces on the u...We study sufficient conditions on radial and non-radial weight functions on the upper half-plane that guarantee norm approximation of functions in weighted Bergman,weighted Dirichlet,and weighted Besov spaces on the upper half-plane by dilatations and eventually by analytic polynomials.展开更多
文摘For analytic functions u,ψin the unit disk D in the complex plane and an analytic self-mapφof D,we describe in this paper the boundedness and compactness of product type operators T_(u,ψ,φ)f(z)=u(z)f(φ(z))+ψ(z)f'(φ(z)),z∈D,acting between weighted Bergman spaces induced by a doubling weight and a Bloch type space with a radial weight.
基金supported by the Natural Science Foundation of China(12271134)the Shanxi Scholarship Council of China(2020–089)the Fund Program for the Scientific Activities of Selected Returned Overseas Professionals in Shanxi Province(20200019).
文摘In this paper,by characterizing Carleson measures,we investigate a class of bounded Toeplitz operator between weighted Bergman spaces with Békolléweights over the half-plane for all index choices.
文摘令M_(u)为C^(n)中开单位球B上全纯函数符号为u的乘法算子,C_(φ)为B的全纯自映射符号为φ的复合算子,R^(m),m∈N为第m阶迭代径向导数算子.本文刻画了从加权Bergman空间到加权型空间上的算子C_(φ)R^(m)M_(u)的度量有界性和度量紧性.作为证明的一个应用,本文也刻m画了算子S→u,φ,m=∑m i=0 Mu i C_(φ)R^(i)的类似性质.
文摘We study sufficient conditions on radial and non-radial weight functions on the upper half-plane that guarantee norm approximation of functions in weighted Bergman,weighted Dirichlet,and weighted Besov spaces on the upper half-plane by dilatations and eventually by analytic polynomials.