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Programs with a continuous state space or that interact with physical processes often require notions of equivalence going beyond the standard binary setting in which equivalence either holds or does not hold. In this paper we explore the…

Logic in Computer Science · Computer Science 2024-02-14 Fredrik Dahlqvist , Renato Neves

Stochastic diffusion equations are crucial for modeling a range of physical phenomena influenced by uncertainties. We introduce the generalized finite difference method for solving these equations. Then, we examine its consistency,…

Numerical Analysis · Mathematics 2024-11-22 Faezeh Nassajian Mojarrad

This short communication develops a new numerical procedure suitable for a large class of ordinary differential equation systems found in models in physics and engineering. The main numerical procedure is analogous to those concerning the…

General Mathematics · Mathematics 2021-12-13 Fabio Silva Botelho

The aim of this paper is to organize some known mass formulas arising from a definite central division algebra over a global field and to deduce some more new ones.

Number Theory · Mathematics 2014-08-26 Chia-Fu Yu

We present an ongoing effort to implement Universal Algebra in the UniMath system. Our aim is to develop a general framework for formalizing and studying Universal Algebra in a proof assistant. By constituting a formal system for isolating…

Logic in Computer Science · Computer Science 2024-12-11 Gianluca Amato , Marco Maggesi , Maurizio Parton , Cosimo Perini Brogi

The theory of Lie remarkable equations, i.e. differential equations characterized by their Lie point symmetries, is reviewed and applied to ordinary differential equations. In particular, we consider some relevant Lie algebras of vector…

Mathematical Physics · Physics 2014-09-03 Gianni Manno , Francesco Oliveri , Giuseppe Saccomandi , Raffaele Vitolo

In this work, we define the notion of unimodular random measured metric spaces as a common generalization of various other notions. This includes the discrete cases like unimodular graphs and stationary point processes, as well as the…

Probability · Mathematics 2023-04-07 Ali Khezeli

Some sharp discrete inequalities in normed linear spaces are obtained. New reverses of the generalised triangle inequality are also given.

Functional Analysis · Mathematics 2007-05-23 Sever Silvestru Dragomir

In this paper, new classes of functions are defined. These spaces generalize Morrey spaces and give a refinement of Lebesgue spaces. Some embeddings between these new classes are also proved. Finally, the authors apply these classes of…

Analysis of PDEs · Mathematics 2020-05-13 M. A. Ragusa , A. Scapellato

We prove metric rigidity for complete manifolds supporting solutions of certain second order differential systems, thus extending classical works on a characterization of space-forms. In the route, we also discover new characterizations of…

Differential Geometry · Mathematics 2009-03-06 Stefano Pigola , Michele Rimoldi

We review the basic ideas lying at the foundation of the recently developed theory of twisted symmetries of differential equations, and some of its developments.

Mathematical Physics · Physics 2010-02-09 Giuseppe Gaeta

This paper describes a general formalism for obtaining localized solutions to a class of problems in mathematical physics, which can be recast as variational optimization problems. This class includes the important cases of Schr\"odinger's…

Numerical Analysis · Mathematics 2014-03-05 Vidvuds Ozoliņš , Rongjie Lai , Russel Caflisch , Stanley Osher

Purely real space versions of the differential equations describing the kinematics of a dislocated crystalline medium are considered. The differential geometric structures associated with them are revealed.

Mathematical Physics · Physics 2007-05-23 Jeffrey Comer , Ruslan Sharipov

We study function spaces and extension results in relation with Dirichlet problems involving integrodifferential operators. For such problems, data are prescribed on the complement of a given domain in the Euclidean space. We introduce a…

Analysis of PDEs · Mathematics 2018-09-24 Moritz Kassmann , Bartlomiej Dyda

The purpose of this paper is twofold. An immediate practical use of the presented algorithm is its applicability to the parametric solution of underdetermined linear ordinary differential equations (ODEs) with coefficients that are…

Symbolic Computation · Computer Science 2011-08-24 Thomas Wolf

This work introduces ``generalized meshes", a type of meshes suited for the discretization of partial differential equations in non-regular geometries. Generalized meshes extend regular simplicial meshes by allowing for overlapping elements…

Numerical Analysis · Mathematics 2023-01-02 Martin Averseng , Xavier Claeys , Ralf Hiptmair

In this paper, we introduce some analytical techniques to solve some classes of second order differential equations. Such classes of differential equations arise in describing some mathematical problems in Physics and Engineering.

Classical Analysis and ODEs · Mathematics 2017-06-08 Rami AlAhmad , Mohammadkheer Al-Jararha

The purpose of this paper is to study a class of ill-posed differential equations. In some settings, these differential equations exhibit uniqueness but not existence, while in others they exhibit existence but not uniqueness. An example of…

Classical Analysis and ODEs · Mathematics 2017-01-04 Brian Street

In this paper, we explore the concept of metric-driven numerical methods as a powerful tool for solving various types of multiscale partial differential equations. Our focus is on computing constrained minimizers of functionals - or,…

Numerical Analysis · Mathematics 2026-04-13 Patrick Henning , Laura Huynh , Daniel Peterseim

The method of this paper is my original creation. A new method for solving linear differential equations is proposed in this paper. The important conclusion of this paper is that arbitrary order linear ordinary differential equations with…

General Mathematics · Mathematics 2018-06-05 Daiyuan Zhang