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We prove that an iterated function system of similarities on $\mathbb{R}$ that satisfies the weak separation condition and has an interval as its self-similar set satisfies the stronger generalized finite type condition. It is unknown if…

Dynamical Systems · Mathematics 2021-12-07 Kathryn E. Hare , Kevin G. Hare , Alex Rutar

A precise definition of "weak [quantum] measurements" and "weak value" (of a quantum observable) is offered, and simple finite dimensional examples are given showing that weak values are not unique and therefore probably do not correspond…

Quantum Physics · Physics 2009-10-01 Stephen Parrott

In this work we establish a connection between two classical notions, unrelated so far: Harmonic functions on the one hand and absolutely monotonic functions on the other hand. We use this to prove convexity type and propagation of…

Analysis of PDEs · Mathematics 2015-12-09 Gabor Lippner , Dan Mangoubi

We provide a mini-guide to some of the possible manifestations of weak scale supersymmetry. For each of six scenarios we provide a brief description of the theoretical underpinnings, the adjustable parameters, a qualitative description of…

Let $\operatorname{Lip}_0(M)$ be the space of Lipschitz functions on a complete metric space $M$ that vanish at a base point. We show that every normal functional in $\operatorname{Lip}_0(M)^\ast$ is weak$^*$ continuous, answering a…

Functional Analysis · Mathematics 2023-02-28 Ramón J. Aliaga , Eva Pernecká

The functional autoregressive model is a Markov model taylored for data of functional nature. It revealed fruitful when attempting to model samples of dependent random curves and has been widely studied along the past few years. This…

Statistics Theory · Mathematics 2016-08-16 André Mas

We construct a monotone, continuous, but not absolutely continuous function whose minimal modulus of continuity is absolutely continuous. In particular, we establish that there is no equivalence between the absolute continuity of a function…

Classical Analysis and ODEs · Mathematics 2025-01-03 Matteo Muratori , Jacopo Somaglia

The meaning and its possible applications of post-selected weak amplification in optomechanical system is concisely reviewed.

Quantum Physics · Physics 2015-09-04 Tao Wang , Gang Li

In this paper, we introduce the concept of weak fuzzy linear topology on a fuzzy topological vector space as a generalization of usual weak topology. We prove that this topology consists of all weakly lower semi-continuous fuzzy sets on a…

General Mathematics · Mathematics 2019-10-09 B. Daraby , N. Khosravi , A. Rahimi

We extend the definition of weak and strong convergence to sequences of Sobolev-functions whose underlying domains themselves are converging. In contrast to previous works, we do so without ever assuming any sort of reference configuration.…

Analysis of PDEs · Mathematics 2024-11-20 Nikita Evseev , Malte Kampschulte , Alexander Menovschikov

We introduce a weak version of the classical length function, termed the weak length function, defined on subsets of $R$-modules over a unital ring $R$, and further consider the concept of mean weak length for $R\Gamma$-modules associated…

Rings and Algebras · Mathematics 2026-05-11 Zihan Bai , Bingbing Liang

The fundamental quasisymmetric functions in superspace are a generalization of the fundamental quasisymmetric functions involving anticommuting variables. We obtain the action of the product, coproduct, and antipode on the fundamental…

Combinatorics · Mathematics 2024-11-21 Susanna Fishel , Jessica Gatica , Luc Lapointe , Maria Elena Pinto

In this paper, we study weakly nonlinear boundary value problems on infinite intervals. For such problems, we provide criteria for the existence of solutions as well as a qualitative description of the behavior of solutions depending on a…

Classical Analysis and ODEs · Mathematics 2020-02-03 Benjamin Freedman , Jesus Rodriguez

FPSAC 2013 Extended Abstract. We introduce a new basis of the non-commutative symmetric functions whose elements have Schur functions as their commutative images. Dually, we build a basis of the quasi-symmetric functions which expand…

Combinatorics · Mathematics 2013-03-21 Chris Berg , Nantel Bergeron , Franco Saliola , Luis Serrano , Mike Zabrocki

The classical theory of symmetric functions has a central position in algebraic combinatorics, bridging aspects of representation theory, combinatorics, and enumerative geometry. More recently, this theory has been fruitfully extended to…

Combinatorics · Mathematics 2022-03-25 Oliver Pechenik , Dominic Searles

The use of nonstandard methods to characterize properties of weak, strong and mixed extensions of congruences to ultrafilters has been the main topic of several recent papers. We show that similar methods can be used to characterize the…

We define a symmetric derivative on an arbitrary nonempty closed subset of the real numbers and derive some of its properties. It is shown that real-valued functions defined on time scales that are neither delta nor nabla differentiable can…

Classical Analysis and ODEs · Mathematics 2012-10-24 Artur M. C. Brito da Cruz , Natalia Martins , Delfim F. M. Torres

We analyze weak convergence on CAT(0) spaces and the existence and properties of corresponding weak topologies.

Metric Geometry · Mathematics 2023-08-01 Alexander Lytchak , Anton Petrunin

In this paper we focus on the relation between Riemann integrability and weak continuity. A Banach space $X$ is said to have the weak Lebesgue property if every Riemann integrable function from $[0,1]$ into $X$ is weakly continuous almost…

Functional Analysis · Mathematics 2015-10-30 Gonzalo Martínez-Cervantes

In this paper we give a simple proof of inequalities of integrals of functions which are the composition of nonnegative continous convex functions on a vector space ${\bf R}^m$ and vector-valued functions in a weakly compact subset of a…

Functional Analysis · Mathematics 2007-08-27 Zhenglu Jiang , Xiaoyong Fu , Hongjiong Tian
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