Results 111 to 120 of about 7,070 (191)

Martingale inequalities for spline sequences. [PDF]

open access: yesPositivity (Dordr), 2020
Passenbrunner M.
europepmc   +1 more source

A Hardy-Littlewood Maximal Operator Adapted to the Harmonic Oscillator

open access: yes, 2016
This paper constructs a Hardy-Littlewood type maximal operator adapted to the Schr dinger operator $\mathcal{L} := - + |x|^{2}$ acting on $L^{2}(\mathbb{R}^{d})$. It achieves this through the use of the Gaussian grid $ ^ _{0}$, constructed by J. Maas, J. van Neerven and P. Portal with the Ornstein-Uhlenbeck operator in mind.
openaire   +2 more sources

Hardy--Littlewood maximal operators on certain manifolds with bounded geometry

open access: yes
In this paper we study the $L^p$ boundedness of the centred and the uncentred Hardy--Littlewood maximal operators on certain Riemannian manifolds with bounded geometry. Our results complement those of various authors. We show that, under mild assumptions, $L^p$ estimates for the centred operator are ``stable'' under conformal changes of the metric, and
Meda, Stefano   +3 more
openaire   +2 more sources

Discrete stochastic maximal regularity. [PDF]

open access: yesMath Ann
Evangelopoulos-Ntemiris F, Veraar M.
europepmc   +1 more source

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