In this paper,the conditions on pairs of weights(u,v)are given such that for the generalized Hardy operator Tf(x)=∫0^∞K(x,y)f(y)dy the following Φ-inequality holds:Φ2^-1(∫0^∞Φ2(Tf(x))V(x)dx≤CΦ1^-1(∫0^∞Φ1...In this paper,the conditions on pairs of weights(u,v)are given such that for the generalized Hardy operator Tf(x)=∫0^∞K(x,y)f(y)dy the following Φ-inequality holds:Φ2^-1(∫0^∞Φ2(Tf(x))V(x)dx≤CΦ1^-1(∫0^∞Φ1(f(x))U(x)dx),where Φ1,Φ2 are Young function;the corresponding weak type Φ-inequality for T is characterized.展开更多
设(M,τ)是非交换的概率空间,(xk)nk=1是L0(M)中的一个自由的随机变量序列.设Φ是[0,∞)上递增的凹函数,满足Φ(0)=0.本文主要研究当xk,1 k n是正随机变量时,τΦ(∑nk=1xk)与这个随机变量序列不交和的Φ-距(τ⊕tr)Φ(∑nk=1xk⊕ek)之...设(M,τ)是非交换的概率空间,(xk)nk=1是L0(M)中的一个自由的随机变量序列.设Φ是[0,∞)上递增的凹函数,满足Φ(0)=0.本文主要研究当xk,1 k n是正随机变量时,τΦ(∑nk=1xk)与这个随机变量序列不交和的Φ-距(τ⊕tr)Φ(∑nk=1xk⊕ek)之间的关系.展开更多
The authors establish a kind of inequalities for nonnegative submartingales which depend on two functions ψ and ψ, and obtain the equivalent conditions for Φ and ψ such that this kind of inequalities holds. In t...The authors establish a kind of inequalities for nonnegative submartingales which depend on two functions ψ and ψ, and obtain the equivalent conditions for Φ and ψ such that this kind of inequalities holds. In the caseΦ=ψ ε△2, it is proved that this necessary and sufficient condition is equivalent to qΦ >1.展开更多
文摘In this paper,the conditions on pairs of weights(u,v)are given such that for the generalized Hardy operator Tf(x)=∫0^∞K(x,y)f(y)dy the following Φ-inequality holds:Φ2^-1(∫0^∞Φ2(Tf(x))V(x)dx≤CΦ1^-1(∫0^∞Φ1(f(x))U(x)dx),where Φ1,Φ2 are Young function;the corresponding weak type Φ-inequality for T is characterized.
文摘The authors establish a kind of inequalities for nonnegative submartingales which depend on two functions ψ and ψ, and obtain the equivalent conditions for Φ and ψ such that this kind of inequalities holds. In the caseΦ=ψ ε△2, it is proved that this necessary and sufficient condition is equivalent to qΦ >1.