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We demonstrate that, in certain cases, quantization and the classical limit provide functors that are "almost inverse" to each other. These functors map between categories of algebraic structures for classical and quantum physics,…

Mathematical Physics · Physics 2024-01-17 Benjamin H. Feintzeig

This paper is a review containing new original results on the finite order variational sequence and its different representations with emphasis on applications in the theory of variational symmetries and conservation laws in physics.

Mathematical Physics · Physics 2016-05-03 Marcella Palese , Olga Rossi , Ekkehart Winterroth , Jana Musilová

A fully invarient congruence relations on the free algebra on a given type induces a variety of the given type. In contrast, a congruence relation of the free algebra provides algebra of that type. This algebra is given by a so-called…

Rings and Algebras · Mathematics 2023-10-25 Apatsara Sareeto , Jörg Koppitz

In this article, we introduce the notion of stochastic symmetry of a differential equation. It consists in a stochastic flow that acts over a solution of a differential equation and produces another solution of the same equation. In the…

Probability · Mathematics 2011-12-19 Pedro J. Catuogno , Luis R. Lucinger

An equivalent condition for the product of elements of an independent random sample on a compact algebraic group converging in distribution to some random variable as the sample size increases is obtained. Namely, a limit distribution…

Probability · Mathematics 2022-11-21 O. G. Styrt

In this note we propose a generalization of the Laplace and Fourier transforms which we call symmetric Laplace transform. It combines both the advantages of the Fourier and Laplace transforms. We give the definition of this generalization,…

Classical Analysis and ODEs · Mathematics 2017-01-31 Nikolaos Halidias

We study the systems of ordinary differential equations which are implicit with respect to the higher derivatives, appearing in the linear form, and their solutions near the singular points. The invertibility of the higher derivatives…

Mathematical Physics · Physics 2007-05-23 M. V. Pomazanov

This paper discusses the mathematical representation of an empirically observed phenomenon, referred to as Incremental Similarity. We discuss this feature from the viewpoint of stochastic processes and present a variety of non-trivial…

Probability · Mathematics 2015-09-23 Ole E. Barndorff-Nielsen , Juergen Schmiegel

The main purpose of the paper is to demonstrate that condition of invariance with respect to the Legendre transformations allows effectively isolate the class of integrable difference equations on the triangular lattice, which can be…

solv-int · Physics 2014-08-27 V. E. Adler

We give a necessary and sufficient condition for a morphism between recollements of abelian categories to be an equivalence.

Category Theory · Mathematics 2007-05-23 Vincent Franjou , Teimuraz Pirashvili

We prove the trichotomy between transience to the right, transience to the left and recurrence of one-dimensional nearest-neighbour random walks in dynamic random environments under fairly general assumptions, namely: stationarity under…

Probability · Mathematics 2018-04-06 Tal Orenshtein , Renato Soares dos Santos

We prove sharp bounds for the equivalence of norms in tent spaces with respect to changes of angles. Some applications are given.

Classical Analysis and ODEs · Mathematics 2011-01-21 Pascal Auscher

We give an elementary proof of a basic "energy" equality in the theory of evolution equations in the setting, which usually starts with introducing $V\subset H=H^{*}\subset V^{*}$.

Analysis of PDEs · Mathematics 2016-11-30 N. V. Krylov

Under the mild condition of continuity at a single point we describe all the bijections of the set of all partial isometries on a Hilbert space which preserve the order and the orthogonality in both directions. Moreover, we present a…

Functional Analysis · Mathematics 2007-05-23 Lajos Molnar

This note presents an application of the quasi-conform transformation in surveying.

Geophysics · Physics 2011-12-20 Abdelmajid Ben Hadj Salem

We introduce the natural lift of spacetime diffeomorphisms for conformal gravity and discuss the physical equivalence between the natural and gauge natural structure of the theory. Accordingly, we argue that conformal transformations must…

General Relativity and Quantum Cosmology · Physics 2015-06-22 M. Campigotto , L. Fatibene

A very elementary introduction to quantum algebras is presented and a few examples of their physical applications are mentioned.

Mathematical Physics · Physics 2007-05-23 R. Jaganathan

We give a detailed exposition of the homotopy theory of equivalence relations, perhaps the simplest nontrivial example of a model structure.

Algebraic Topology · Mathematics 2009-09-06 Finnur Larusson

In the paper, we investigate the uniqueness problem of entire functions concerning their linear differential polynomial in shift and obtain three results which improve and generalize the recent result due to Qi (Ann. Polon. Math., 102…

Complex Variables · Mathematics 2025-12-03 Jeet Sarkar , Debabrata Pramanik

We propose a model to characterize how a diffusing population adapts under a time periodic selection, while its environment undergoes shifts and size changes, leading to significant differences with classical results on fixed domains. After…

Analysis of PDEs · Mathematics 2025-06-05 Matthieu Alfaro , Adel Blouza , Nessim Dhaouadi
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