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Related papers: A T(1) theorem on product spaces

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We present a generalization of Wigner's unitary-antiunitary theorem for pairs of ray transformations. As a particular case, we get a new Wigner-type theorem for non-Hermitian indefinite inner product spaces.

Functional Analysis · Mathematics 2009-10-31 Lajos Molnar

The paper is devoted to differential geometry of singular distributions (i.e., of varying dimension) on a Riemannian manifold. Such distributions are defined as images of the tangent bundle under smooth endomorphisms. We prove the novel…

Differential Geometry · Mathematics 2019-11-20 Paul Popescu , Vladimir Rovenski

We introduce and study properties of certain new harmonic function spaces on products of upper half-spaces.Norm estimates for the so-called expanded Bergman projections are obtained.Sharp theorems on multipliers acting on certain Sobolev…

Functional Analysis · Mathematics 2012-01-18 Milos Arsenovic , Romi F. Shamoyan

It is shown that scalar product of two vectors can be introduced in any geometry (metric space) independently of possibility of the linear space introduction. In general, linear properties of scalar product are restricted. Domain of…

General Mathematics · Mathematics 2007-05-23 Yuri A. Rylov

In this paper, we develop an elementary proof of the change of variables in multiple integrals. Our proof is based on an induction argument. Assuming the formula for (m-1)-integrals, we define the integral over hypersurface in Rm, establish…

Classical Analysis and ODEs · Mathematics 2017-05-17 Shibo Liu , Yashan Zhang

In this paper, we prove a semistable reduction type theorem for multi-filtered vector spaces (or known as multi-weighted vector spaces).

Algebraic Geometry · Mathematics 2017-09-27 Shizhang Li

We prove a compact $T(1)$ theorem, involving quantitative estimates, analogous to the quantitative classical $T(1)$ theorem due to Stein. We also discuss the $C_c^\infty$-to-$CMO$ mapping properties of non-compact Calder\'on-Zygmund…

Functional Analysis · Mathematics 2025-03-18 Árpád Bényi , Guopeng Li , Tadahiro Oh , Rodolfo H. Torres

We show that the requirement of manifest coordinate invariance of perturbatively defined quantum-mechanical path integrals in curved space leads to an extension of the theory of distributions by specifying unique rules for integrating…

Quantum Physics · Physics 2011-07-19 H. Kleinert , A. Chervyakov

We give a survey of recent joint work with E. M. Stein (Princeton University) concerning the application of suitable versions of the T(1)-theorem technique to the study of orthogonal projections onto the Hardy and Bergman spaces of…

Complex Variables · Mathematics 2015-09-30 Loredana Lanzani

We show the following version of the Schur's product theorem. If $M=(M_{j,k})_{j,k=1}^n\in{\mathbb R}^{n\times n}$ is a positive semidefinite matrix with all entries on the diagonal equal to one, then the matrix $N=(N_{j,k})_{j,k=1}^n$ with…

Numerical Analysis · Mathematics 2020-04-02 Jan Vybíral

Let $X,Y$ and $Z$ be Banach spaces, and let $\prod_p(Y,Z) (1\leq p<\infty)$ denote the space of $p$-summing operators from $Y$ to $Z$. We show that, if $X$ is a {\it \$}$_\infty$-space, then a bounded linear operator $T: X\hat…

Functional Analysis · Mathematics 2008-02-03 Stephen J. Montgomery-Smith , Paulette Saab

Developed in a series of seminal papers in the early 2010s, the tubal tensor framework provides a clean and effective algebraic setting for tensor computations, supporting matrix-mimetic features such as a tensor Singular Value…

Numerical Analysis · Mathematics 2025-06-05 Haim Avron , Uria Mor

We prove an analogue of the prime number theorem for finite fields.

Number Theory · Mathematics 2013-08-26 Hao Pan , Zhi-Wei Sun

Strongly continuous one-parameter representations on C*-algebras and their extension to the multiplier algebra are investigated. We give also a proof of the Stone theorem on Hilbert C*-modules and look into some related problems.

funct-an · Mathematics 2008-02-03 Johan Kustermans

We develop first steps in the study of factorizations of elements in ultraproducts of commutative cancellative monoids into irreducible elements. A complete characterization of the (multi-)sets of lengths in such objects is given. As…

Commutative Algebra · Mathematics 2023-11-29 Daniel Windisch

We prove that the set of integrable functions on the unit circle for which the analogue of Paley's theorem for $H^1$ fails is residual in $L^1(\mathbb T)$. Moreover, we establish algebraic genericity and spaceability results in several…

Complex Variables · Mathematics 2026-05-28 Christos Pandis

We obtain new multilinear multiplier theorems for symbols of restricted smoothness which lie locally in certain Sobolev spaces. We provide applications concerning the boundedness of the commutators of Calder\'on and…

Analysis of PDEs · Mathematics 2016-12-19 Loukas Grafakos , Danqing He , Hanh Van Nguyen , Lixin Yan

We demonstrate and develop dyadic-probabilistic methods in connection with non-homogeneous bilinear operators, namely singular integrals and square functions. We develop the full non-homogeneous theory of bilinear singular integrals using a…

Classical Analysis and ODEs · Mathematics 2018-10-19 Henri Martikainen , Emil Vuorinen

In this paper we provide proofs of two new theorems that provide a broad class of partition inequalities and that illustrate a na\"ive version of Andrews' anti-telescoping technique quite well. These new theorems also put to rest any notion…

Number Theory · Mathematics 2013-03-12 Alexander Berkovich , Keith Grizzell

We develop a general theory of multilinear singular integrals with operator-valued kernels, acting on tuples of UMD Banach spaces. This, in particular, involves investigating multilinear variants of the $\mathcal R$-boundedness condition…

Classical Analysis and ODEs · Mathematics 2020-06-02 Francesco Di Plinio , Kangwei Li , Henri Martikainen , Emil Vuorinen
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