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We construct stochastic multisymplectic systems by considering a stochastic extension to the variational formulation of multisymplectic partial differential equations proposed in [Hydon, {\it Proc. R. Soc. A}, 461, 1627--1637, 2005]. The…

Dynamical Systems · Mathematics 2025-11-19 Ruiao Hu , Linyu Peng

We give a simple way to extend index-theoretical statements from partial differential operators with smooth coefficients to operators with coefficients of finite Sobolev order.

Analysis of PDEs · Mathematics 2016-10-11 Olaf Müller

We prove existence of solutions for a nonlinear fractional oscillator equation with both left Riemann-Liouville and right Caputo fractional derivatives subject to natural boundary conditions. The proof is based on a transformation of the…

Classical Analysis and ODEs · Mathematics 2017-06-12 Assia Guezane-Lakoud , Rabah Khaldi , Delfim F. M. Torres

We prove a Noether-Deuring theorem for the derived category of bounded complexes of modules over a Noetherian algebra.

Representation Theory · Mathematics 2012-01-16 Alexander Zimmermann

The Noether theorem for Hamiltonian constrained systems is revisited. In particular, our review presents a novel method to show that the gauge transformations are generated by the conserved quantities associated with the first class…

High Energy Physics - Theory · Physics 2009-11-11 V. M. Villanueva , J. A. Nieto , L. Ruiz , J. Silvas

Noether's Theorem is familiar to most physicists due its fundamental role in linking the existence of conservation laws to the underlying symmetries of a physical system. Typically the systems are described in the particle-based context of…

Statistical Mechanics · Physics 2022-05-04 Sophie Hermann , Matthias Schmidt

We consider some possible approaches to the fractional-order generalization of definition of variation (functional) derivative. Some problems of formulation of a fractional-order variational derivative are discussed. To give a consistent…

Classical Analysis and ODEs · Mathematics 2015-02-27 Vasily E. Tarasov

The invariance of the Lagrangian under time translations and rotations in Kepler's problem yields the conservation laws related to the energy and angular momentum. Noether's theorem reveals that these same symmetries furnish generalized…

Earth and Planetary Astrophysics · Physics 2016-09-08 Javier Roa

We consider a time-independent variable coefficients fractional porous medium equation and formulate an associated inverse problem. We determine both the conductivity and the absorption coefficient from exterior partial measurements of the…

Analysis of PDEs · Mathematics 2023-02-07 Li Li

Noether's theorem in the realm of point dynamics establishes the correlation of a constant of motion of a Hamilton-Lagrange system with a particular symmetry transformation that preserves the form of the action functional. Although usually…

Mathematical Physics · Physics 2015-06-05 Jürgen Struckmeier

We develop a non-anticipating calculus of variations for functionals on a space of laws of continuous semi-martingales, which extends the classical one. We extend Hamilton's least action principle and Noether's theorem to this generalized…

Probability · Mathematics 2015-01-22 Ana Bela Cruzeiro , Rémi Lassalle

Noether theorem establishes an interesting connection between symmetries of the action integral and conservation laws of a dynamical system. The aim of the present work is to classify the damped harmonic oscillator problem with respect to…

Mathematical Physics · Physics 2022-05-24 M. Umar Farooq , M. Safdar

Noether's problem is classical and very important problem in algebra. It is an intrinsically interesting problem in invariant theory, but with far reaching applications in the sutdy of moduli spaces, PI-algebras, and the Inverse problem of…

Rings and Algebras · Mathematics 2024-05-28 João Schwarz

Noether's theorem is reviewed with a particular focus on an intermediate step between global and local gauge and coordinate transformations, namely linear transformations. We rederive the well known result that global symmetry leads to…

General Relativity and Quantum Cosmology · Physics 2007-05-23 M. Leclerc

We provide a general theoretical framework allowing us to extend the classical Lie theory for partial differential equations to the case of equations of fractional order. We propose a general prolongation formula for the study of Lie…

Analysis of PDEs · Mathematics 2017-02-15 Rosario Antonio Leo , Gabriele Sicuro , Piergiulio Tempesta

We present Noether's second theorem for graded Lagrangian systems of even and odd variables on an arbitrary body manifold X in a general case of BRST symmetries depending on derivatives of dynamic variables and ghosts of any finite order.…

Mathematical Physics · Physics 2009-11-10 D. Bashkirov , G. Giachetta , L. Mangiarotti , G. Sardanashvily

In this paper we study symmetries, Newtonoid vector fields, conservation laws, Noether's Theorem and its converse, in the framework of the $k$-symplectic formalism, using the Fr\"olicher-Nijenhuis formalism on the space of $k^1$-velocities…

Mathematical Physics · Physics 2012-11-07 Lucía Bua , Ioan Bucataru , Modesto Salgado

A general variational principle of classical fields with a Lagrangian containing the field quantity and its derivatives of up to the N-th order is presented. Noether's theorem is derived. The generalized Hamilton-Jacobi's equation for the…

General Physics · Physics 2008-05-06 Zhaoyan Wu

We develop a systematic algorithm, based on Noether's theorem, for defining the various currents in theories invariant under space dependent polynomial symmetries. A master equation is given that yields all the conservation laws…

High Energy Physics - Theory · Physics 2022-02-02 Rabin Banerjee

Holderian functions have strong non-linearities, which result in singularities in the derivatives. This manuscript presents several fractional-order Taylor expansions of H\"olderian functions around points of non- differentiability. These…

Classical Analysis and ODEs · Mathematics 2015-08-26 Dimiter Prodanov