Maximal operator, Littlewood-Paley functions and variation operators associated with nonsymmetric Ornstein-Uhlenbeck operators [article]

Víctor Almeida, Jorge J. Betancor, Pablo Quijano, Lourdes Rodríguez-Mesa
2022
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
more » ... e basic building blocks of all normal Ornstein-Uhlenbeck semigroups.
doi:10.48550/arxiv.2201.13076 fatcat:gsdlmju3wjhe3dd76fuctd246i