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In this article, we develop a comprehensive ODE-theory for structured continuity equations in fibred probability spaces, which represent a class of heterogeneous PDEs arising as the meanfield limit nonexchangeable particle systems. After…

Analysis of PDEs · Mathematics 2025-11-26 Benoît Bonnet-Weill , Nastassia Pouradier Duteil

We derive new upper and lower bounds for probabilities that $r$ or at least $r$ from $n$ events occur. These bounds can turn to equalities. The method is discussed as well. It works for measurable space and measures with sign, too. We also…

Probability · Mathematics 2020-08-12 Andrei N. Frolov

We obtain the exact values of some important approximative quantities (such as, the best approximation, the basis width, Kolmogorov's width and the best $n$-term approximation) of certain sets of images of the diagonal operators in the…

Numerical Analysis · Mathematics 2016-10-03 Andriy L. Shidlich , Stanislav O. Chaichenko

In this paper we discuss the structure of Orlicz spaces and weak Orlicz spaces on $\mathbb{R}^n$. We obtain some necessary and sufficient conditions for the inclusion property of these spaces. One of the keys is to compute the norm of the…

Functional Analysis · Mathematics 2016-07-13 Al Azhary Masta , Hendra Gunawan , Wono Setya Budhi

In this paper we are concerned with weighted conditional type(WCT) operators on Orlicz spaces. We prove that all WCT operators have finite ascent. Also, we provide some sufficient conditions for WCT operators to have finite descent. As a…

Functional Analysis · Mathematics 2023-05-17 S. Nojoumi , S. Shamsigamchi

In the recent surge of papers on ergodic theory within Riesz spaces, this article contributes by introducing enhanced characterizations of ergodicity. Our work extends and strengthens prior results from both the authors and Homann, Kuo, and…

Functional Analysis · Mathematics 2023-12-21 Youssef Azouzi , Marwa Masmoudi

We provide sufficient conditions for boundary Hardy inequality to hold in bounded Lipschitz domains, complement of a point (the so-called point Hardy inequality), domain above the graph of a Lipschitz function, the complement of a bounded…

Analysis of PDEs · Mathematics 2021-12-14 Kaushik Bal , Kaushik Mohanta , Prosenjit Roy , Firoj Sk

In this paper, we extend the Marcinkiewicz--Zygmund inequality to the setting of Orlicz and Lorentz spaces. Furthermore, we generalize a Kadec--Pe{\l}czy\'nski-type result -- originally established by the first and third authors for $L^p$…

Functional Analysis · Mathematics 2026-03-16 Istvan Berkes , Eduard Stefanescu , Robert Tichy

In the dual $L_{\Phi^*}$ of a $\Delta_2$-Orlicz space $L_\Phi$, that we call a dual Orlicz space, we show that a proper (resp. finite) convex function is lower semicontinuous (resp. continuous) for the Mackey topology…

Functional Analysis · Mathematics 2018-01-03 Freddy Delbaen , Keita Owari

We study singular integral operators with variable Calder\'on--Zygmund kernels and their commutators with $VMO$ functions in the framework of Orlicz spaces. After revisiting the classical $L^p$ theory, we establish boundedness results in…

Analysis of PDEs · Mathematics 2026-05-26 Amiran Gogatishvili , Pia Salerno , Lubomira Softova

We extend dilation properties of Wiener amalgam spaces when the local and global componenets are Lebesgue spaces to a more general setting of Orlicz spaces. We recover the result of Cordero and Nicola when restricted to Lebesgue spaces. In…

Functional Analysis · Mathematics 2024-03-06 Busra Aris , Nenad Teofanov , Serap Oztop

We deduce continuity, compactness and invariance properties for quasi-Banach Orlicz modulation spaces. We characterize such spaces in terms of Gabor expansions and by their images under the Bargmann transform.

Functional Analysis · Mathematics 2020-01-13 Joachim Toft , Rüya Üster , Elmira Nabizadeh , Serap Öztop

Let $(X,\omega)$ be a compact Hermitian manifold of dimension $n$. We derive an $L^\infty$-estimate for bounded solutions to the complex $m$-th Hessian equations on $X$, assuming a positive right-hand side in the Orlicz space…

Complex Variables · Mathematics 2025-10-17 Yuetong Fang

Following on from a general observation in an earlier paper, we consider the continuous symmetries of a certain class of conformal field theories constructed from lattices and their reflection-twisted orbifolds. It is shown that the naive…

High Energy Physics - Theory · Physics 2009-10-28 P. S. Montague

The classical theorem of Birkhoff states that the $T^N f(x) = (1/N)\sum_{k=0}^{N-1} f(\sigma^k x)$ converges almost everywhere for $x\in X$ and $f\in L^{1}(X)$, where $\sigma$ is a measure preserving transformation of a probability measure…

Dynamical Systems · Mathematics 2009-01-09 C. M. Wedrychowicz

Building on Talagrand's proof of the Hoffmann-J{\o}rgensen inequality for $L_p$ spaces and its version for the exponential Orlicz spaces we provide a full characterization of Orlicz functions $\Psi$ for which an analogous inequality holds…

Probability · Mathematics 2023-10-09 Radosław Adamczak , Dominik Kutek

An extension of Marcinkiewicz Interpolation Theorem, allowing intermediate spaces of Orlicz type, is proved. This generalization yields a necessary and sufficient condition so that every quasilinear operator, which maps the set, $S(X,\mu)$,…

Classical Analysis and ODEs · Mathematics 2017-11-28 Ron Kerman , Rama Rawat , Rajesh K. Singh

In this article, we consider the H\"{o}lder continuity of injective maps in Orlicz-Sobolev classes defined on the unit ball. Under certain conditions on the growth of dilatations, we obtain the H\"{o}lder continuity of the indicated class…

Complex Variables · Mathematics 2022-08-05 Miodrag Mateljević , Ruslan Salimov , Evgeny Sevost'Yanov

We study the homogenization of obstacle problems in Orlicz-Sobolev spaces for a wide class of monotone operators (possibly degenerate or singular) of the $p(\cdot)$-Laplacian type. Our approach is based on the Lewy-Stampacchia inequalities,…

Analysis of PDEs · Mathematics 2018-06-26 Diego Marcon , José Francisco Rodrigues , Rafayel Teymurazyan

In this paper, we introduce a large class of (so-called) conditional indicators, on a complete probability space with respect to a sub $\sigma$-algebra. A conditional indicator is a positive mapping, which is not necessary linear, but may…

Probability · Mathematics 2024-05-20 Dorsaf Cherif , Emmanuel Lepinette