与非对称Ornstein-Uhlenbeck算子相关的极大算子、Littlewood-Paley函数和变分算子
Maximal operator, Littlewood-Paley functions and variation operators associated with nonsymmetric Ornstein-Uhlenbeck operators
摘要：
本文建立了Poisson半群上的极大算子、Littlewood-Paley函数和变分算子以及非对称Ornstein-Uhlenbeck算子的预解算子的$L^p$有界性.我们考虑由恒等式定义的协方差阵的Ornstein-Uhlenbeck算子，其漂移由矩阵$-λ(I+R)$给出，是$λ>0$和$R$是斜伴随矩阵.与这些Ornstein-Uhlenbeck算子相关的半群是所有正规Ornstein-Uhlenbeck半群的基本构造块。
英文摘要：
In this paper we establish $L^p$ boundedness properties for maximal operators, Littlewood-Paley functions and variation operators involving Poisson semigroups and resolvent operators associated with nonsymmetric Ornstein-Uhlenbeck operators. We consider the Ornstein-Uhlenbeck operators defined by the identity as the covariance matrix and having a drift given by the matrix $-λ(I+R)$, being $λ>0$ and $R$ a skew-adjoint matrix. The semigroup associated with these Ornstein-Uhlenbeck operators are the basic building blocks of all normal Ornstein-Uhlenbeck semigroups.
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