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In this work we further develop a nonlocal calculus theory (initially introduced in [5]) associated with singular fractional-type operators which exhibit kernels with finite support of interactions. The applicability of the framework to…

Analysis of PDEs · Mathematics 2023-11-10 José C. Bellido , Javier Cueto , Mikil Foss , Petronela Radu

The aim of this paper is to establish a canonical decomposition of operator-valued strong $L^2$-functions by the aid of the Beurling-Lax-Halmos Theorem which characterizes the shift-invariant subspaces of vector-valued Hardy space. This…

Functional Analysis · Mathematics 2019-10-24 In Sung Hwang , Woo Young Lee

In this paper we present a nonconforming finite element method for solving fourth order curl equations in three dimensions arising from magnetohydrodynamics models. We show that the method has an optimal error estimate for a model problem…

Numerical Analysis · Mathematics 2010-02-02 Bin Zheng , Qiya Hu , Jinchao Xu

This article is the first one in a suite of three articles exploring connections between dynamical systems of St\"{a}ckel-type and of Painlev\'{e}- type. In this article we present a deformation of autonomous St\"{a}ckel-type systems to…

Mathematical Physics · Physics 2021-12-14 Maciej Błaszak , Krzysztof Marciniak , Ziemowit Domański

A mathematical method for constructing fractal curves and surfaces, termed the $p\lambda n$ fractal decomposition, is presented. It allows any function to be split into a finite set of fractal discontinuous functions whose sum is equal…

Statistical Mechanics · Physics 2015-12-15 Vladimir Garcia-Morales

We provide a general treatment of perturbations of a class of functionals modeled on convolution energies with integrable kernel which approximate the $p$-th norm of the gradient as the kernel is scaled by letting a small parameter…

Analysis of PDEs · Mathematics 2020-07-09 Roberto Alicandro , Nadia Ansini , Andrea Braides , Andrey Piatnitski , Antonio Tribuzio

We study the most elementary aspects of harmonic analysis on a homogeneous space of a deformation of the two-dimensional Euclidean group, admitting generalizations to dimensions three and four, whose quantum parameter has the physical…

q-alg · Mathematics 2008-02-03 F. Bonechi , R. Giachetti , M. A. del Olmo , E. Sorace , M. Tarlini

The N-dimensional Hamiltonian H formed by a curved kinetic term (depending on a function f), a central potential (depending on a function U), a Dirac monopole term, and N centrifugal terms is shown to be quasi-maximally superintegrable for…

Mathematical Physics · Physics 2009-10-16 Angel Ballesteros , Alberto Enciso , Francisco J. Herranz , Orlando Ragnisco

We propose a one-dimensional, nonconvex elastic constitutive model with higher gradients that can predict spontaneous fracture at a critical load via a bifurcation analysis. It overcomes the problem of discontinuous deformations without…

Analysis of PDEs · Mathematics 2021-03-17 Phoebus Rosakis , Timothy J. Healey , Ugur Alyanak

We reduce the study of the Krull dimension d of the deformation ring of the functor of deformations of curves with automorphisms to the study of the tangent space of the deformation functor of a class of matrix representations of the p-part…

Algebraic Geometry · Mathematics 2007-05-23 A. Kontogeorgis

One approach for the simulation of metamaterials is to extend an associated continuum theory concerning its kinematic equations, and the relaxed micromorphic continuum represents such a model. It incorporates the Curl of the nonsymmetric…

Numerical Analysis · Mathematics 2021-03-03 Adam Sky , Michael Neunteufel , Ingo Münch , Joachim Schoeberl , Patrizio Neff

Arnold, Falk, & Winther, in "Finite element exterior calculus, homological techniques, and applications" (2006), show how to geometrically decompose the full and trimmed polynomial spaces on simplicial elements into direct sums of…

Numerical Analysis · Mathematics 2022-02-17 Toby Isaac

In this work, we propose a detailed computational framework for modelling the envelope of the swept volume, that is the boundary of the volume obtained by sweeping an input solid along a trajectory of rigid motions. Our framework is adapted…

Computational Geometry · Computer Science 2013-06-03 Bharat Adsul , Jinesh Machchhar , Milind Sohoni

Most physical systems, whether classical or quantum mechanical, exhibit spherical symmetry. Angular momentum, denoted as $\ell$, is a conserved quantity that appears in the centrifugal potential when a particle moves under the influence of…

Quantum Physics · Physics 2024-01-05 Taha Koohrokhi , Abdolmajid Izadpanah , Mitra Gerayloo

We develop a complete theory of non-formal deformation quantization exhibiting a nonzero minimal uncertainty in position. An appropriate integral formula for the star-product is introduced together with a suitable space of functions on…

Mathematical Physics · Physics 2018-07-31 Ziemowit Domański , Maciej Błaszak

Aspects of the theory of characteristic modes, based on their variational formulation, are presented and an explicit form of a related functional, involving only currents in a spatial domain, is derived. The new formulation leads to deeper…

Classical Physics · Physics 2017-09-01 Miloslav Capek , Pavel Hazdra , Michal Masek , Vit Losenicky

Geometrical formulation of classical mechanics with forces that are not necessarily potential-generated is presented. It is shown that a natural geometrical "playground" for a mechanical system of point particles lacking Lagrangian and/or…

High Energy Physics - Theory · Physics 2010-01-26 Denis Kochan

The irreducible decomposition technique is applied to the study of classical models of metric-affine gravity (MAG). The dynamics of the gravitational field is described by a 12-parameter Lagrangian encompassing a Hilbert-Einstein term,…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Yu. N. Obukhov , E. J. Vlachynsky , W. Esser , F. W. Hehl

This paper studies first the differential inequalities that make it possible to build a global theory of pseudo-holomorphic functions in the case of one or several complex variables. In the case of one complex dimension, we prove that the…

Complex Variables · Mathematics 2016-06-28 Giampiero Esposito , Raju Roychowdhury

A new form of time-harmonic Maxwells equations is developed and proposed for numerical modeling. It is written for the magnetic field strength, electric displacement, vector potential and the scalar potential. There are several attractive…

Computational Physics · Physics 2023-06-14 Vladimir E. Moiseenko , Olov Agren