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The aim of this note is to present two results that make the task of finding equivalent polyhedral norms on certain Banach spaces, having either a Schauder basis or an uncountable unconditional basis, easier and more transparent. The…

Functional Analysis · Mathematics 2022-06-14 Trond A. Abrahamsen , Vladimir P. Fonf , Richard J. Smith , Stanimir Troyanski

We show the existence of solution in the maximal $L_p-L_q$ regularity framework to a class of symmetric parabolic problems on a uniformly $C^2$ domain in ${\mathcal R}$. Our approach consist in showing ${\mathcal R}$ - boundedness of…

Analysis of PDEs · Mathematics 2019-09-16 Tomasz Piasecki , Yoshihiro Shibata , Ewelina Zatorska

We explore the connection between $p$-regular operators on Banach function spaces and weighted $p$-estimates. In particular, our results focus on the following problem. Given finite measure spaces $\mu$ and $\nu$, let $T$ be an operator…

Functional Analysis · Mathematics 2018-03-29 Enrique A. Sánchez Pérez , Pedro Tradacete

We study certain interpolation and extension properties of the space of regular operators between two Banach lattices. Let $R_p$ be the space of all the regular (or equivalently order bounded) operators on $L_p$ equipped with the regular…

Functional Analysis · Mathematics 2016-09-06 Gilles Pisier

Maximal $L^p$-$L^q$ regularity is proved for the strong, weak and very weak solutions of the inhomogeneous Stokes problem with Navier-type boundary conditions in a bounded domain $\Omega$, not necessarily simply connected. This extends…

Analysis of PDEs · Mathematics 2017-03-21 Hind Al Baba , Chérif Amrouche , Miguel Escobedo

We propose an approach based on perturbation theory to establish maximal $L^p$-regularity for a class of integro-differential equations. As the left shift semigroup is involved for such equations, we study maximal regularity on Bergman…

Functional Analysis · Mathematics 2021-11-15 A. Amansag , H. Bounit , A. Driouich , S. Hadd

We correct an inaccuracy in a previous article [Auscher, Pascal; Bernicot, Fr\'ed\'eric; Zhao, Jiman. Maximal regularity and Hardy spaces. Collect. Math. 59 (2008), no. 1, 103-127.]

Classical Analysis and ODEs · Mathematics 2008-10-29 Pascal Auscher , Frédéric Bernicot , Jiman Zhao

In this paper structure of infinite dimensional Banach spaces is studied by using an asymptotic approach based on stabilization at infinity of finite dimensional subspaces which appear everywhere far away. This leads to notions of…

Functional Analysis · Mathematics 2016-09-06 Bernard Maurey , Vitali D. Milman , Nicole Tomczak-Jaegermann

We establish improved and sharp $L^p$ estimates for the maximal bilinear Bochner-Riesz means in all dimensions $n\geq 1$. This work extends the results proved by Jeong and Lee \cite{JL}. We also recover the known results for the bilinear…

Classical Analysis and ODEs · Mathematics 2021-01-26 Jotsaroop Kaur , Saurabh Shrivastava

We give a new proof of a recent characterization by Diaz and Mayoral of compactness in the Lebesgue-Bochner spaces $L_X^p$, where $X$ is a Banach space and $1\le p<\infty$, and extend the result to vector-valued Banach function spaces…

Functional Analysis · Mathematics 2007-10-18 Jan van Neerven

We study the double iterated outer $L^p$ spaces, namely the outer $L^p$ spaces associated with three exponents and defined on sets endowed with a measure and two outer measures. We prove that in the case of finite sets, under certain…

Classical Analysis and ODEs · Mathematics 2023-12-05 Marco Fraccaroli

We prove a weighted norm inequality for the maximal Bochner--Riesz operator and the associated square-function. This yields new $L^p(R^d)$ bounds on classes of radial Fourier multipliers for $p\ge 2+4/d$ with $d\ge 2$, as well as space-time…

Classical Analysis and ODEs · Mathematics 2014-02-26 Sanghyuk Lee , Keith M. Rogers , Andreas Seeger

We study the Cauchy problem for an abstract quasilinear stochastic parabolic evolution equation on a Banach space driven by a cylindrical Brownian motion. We prove existence and uniqueness of a local strong solution up to a maximal stopping…

Functional Analysis · Mathematics 2017-01-18 Luca Hornung

We consider the steady Stokes equations in a bounded domain with forcing in divergence form supplemented with no-slip boundary conditions. We provide a maximal regularity theory in Campanato spaces (inlcuding $\mathrm{BMO}$ and…

Analysis of PDEs · Mathematics 2024-01-23 Dominic Breit

This paper is devoted to the study of $L_p$ Lyapunov-type inequalities for linear systems of equations with Neumann boundary conditions and for any constant $p \geq 1$. We consider ordinary and elliptic problems. The results obtained in the…

Analysis of PDEs · Mathematics 2009-06-08 Antonio Canada , Salvador Villegas

In this note, we give an introduction to the concept of maximal $L^p$-regularity as a method to solve nonlinear partial differential equations. We first define maximal regularity for autonomous and non-autonomous problems and describe the…

Analysis of PDEs · Mathematics 2022-02-23 Robert Denk

We study problems of maximal symmetry in Banach spaces. This is done by providing an analysis of the structure of small subgroups of the general linear group GL(X), where X is a separable reflexive Banach space. In particular, we provide…

Functional Analysis · Mathematics 2019-12-19 Valentin Ferenczi , Christian Rosendal

The new class of Banach spaces, so-called asymptotic $l_p$ spaces, is introduced and it is shown that every Banach space with bounded distortions contains a subspace from this class. The proof is based on an investigation of certain…

Functional Analysis · Mathematics 2009-09-25 Vitali D. Milman , Nicole Tomczak-Jaegermann

We prove an optimal result of stability under $\ell_p$-sums of some concentration properties for Lipschitz maps defined on Hamming graphs into Banach spaces. As an application, we give examples of spaces with Szlenk index arbitrarily high…

Functional Analysis · Mathematics 2024-11-22 Audrey Fovelle

We investigate the maximal $L_p$-regularity in J.L. Lions' problem involving a time-fractional derivative and a non-autonomous form $a(t;\cdot,\cdot)$ on a Hilbert space $H$. This problem says whether the maximal $L_p$-regularity in $H$…

Classical Analysis and ODEs · Mathematics 2025-03-19 Jia Wei He , Shi Long Li , Yong Zhou