English
Related papers

Related papers: Higher-order Cartan symmetries in k-symplectic fie…

200 papers

This paper is devoted to studying symmetries of certain kinds of k-cosymplectic Hamiltonian systems in first-order classical field theories. Thus, we introduce a particular class of symmetries and study the problem of associating…

Mathematical Physics · Physics 2015-12-15 J. C. Marrero , N. Román-Roy , M. Salgado , S. Vilariño

This paper is devoted to studying symmetries of k-symplectic Hamiltonian and Lagrangian first-order classical field theories. In particular, we define symmetries and Cartan symmetries and study the problem of associating conservation laws…

Mathematical Physics · Physics 2015-12-15 Narciso Román-Roy , Modesto Salgado , Silvia Vilariño

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

We discuss the relation between symmetries and conservation laws in the realm of classical field theories based on the Hamiltonian constraint. In this approach, spacetime positions and field values are treated on equal footing, and a…

Mathematical Physics · Physics 2016-04-15 Vaclav Zatloukal

It's well known that Noether symmetries lead to the conservation laws. Conserved quantities are constructed out of generator of the symmetry - invariant Hamiltonian vector field. Considering more general class of vector fields -…

Mathematical Physics · Physics 2016-09-07 George Chavchanidze

We state the intrinsic form of the Hamiltonian equations of first-order Classical Field theories in three equivalent geometrical ways: using multivector fields, jet fields and connections. Thus, these equations are given in a form similar…

Mathematical Physics · Physics 2016-04-11 A. Echeverría-Enríquez , M. C. Muñoz-Lecanda , N. Román-Roy

In this paper we study the infinitesimal symmetries, Newtonoid vector fields, infinitesimal Noether symmetries and conservation laws of Hamiltonian systems. Using the dynamical covariant derivative and Jacobi endomorphism on the cotangent…

Differential Geometry · Mathematics 2017-05-24 Liviu Popescu

Symmetries and, in particular, Cartan (Noether) symmetries and conserved quantities (conservation laws) are studied for the multisymplectic formulation of first and second order Lagrangian classical field theories. Noether-type theorems are…

Mathematical Physics · Physics 2021-07-20 Jordi Gaset , Narciso Román-Roy

In this paper we will present Lagrangian and Hamiltonian $k$-symplectic formalisms, we will recall the notions of symmetry and conservation law and we will define the notion of pseudosymmetry as a natural extension of symmetry. Using…

Differential Geometry · Mathematics 2016-01-06 Florian Munteanu

A consistent, local coordinate formulation of covariant Hamiltonian field theory is presented. Whereas the covariant canonical field equations are equivalent to the Euler-Lagrange field equations, the covariant canonical transformation…

Mathematical Physics · Physics 2020-12-16 Jürgen Struckmeier , Andreas Redelbach

This work provides a general overview for the treatment of symmetries in classical field theories and (pre)multisymplectic geometry. The geometric characteristics of the relation between how symmetries are interpreted in theoretical physics…

Mathematical Physics · Physics 2023-02-03 Arnoldo Guerra , Narciso Román-Roy

The Noether theorem connecting symmetries and conservation laws can be applied directly in a Hamiltonian framework without using any intermediate Lagrangian formulation. This requires a careful discussion about the invariance of the…

General Physics · Physics 2016-06-14 Amaury Mouchet

In the present paper geometric aspects of relationship between non-Noether symmetries and conservation laws in Hamiltonian systems is discussed. It is shown that integrals of motion associated with continuous non-Noether symmetry are in…

Mathematical Physics · Physics 2007-05-23 George Chavchanidze

Classical field theory is considered as a theory of unparametrized surfaces embedded in a configuration space, which accommodates, in a symmetric way, spacetime positions and field values. Dynamics is defined via the (Hamiltonian)…

Mathematical Physics · Physics 2016-02-02 Vaclav Zatloukal

We discuss geometric properties of non-Noether symmetries and their possible applications in integrable Hamiltonian systems. Correspondence between non-Noether symmetries and conservation laws is revisited. It is shown that in regular…

Mathematical Physics · Physics 2007-05-23 George Chavchanidze

We consider Noether symmetries within Hamiltonian setting as transformations that preserve Poincar\'e-Cartan form, i.e., as symmetries of characteristic line bundles of nondegenerate 1-forms. In the case when the Poincar\'e-Cartan form is…

Mathematical Physics · Physics 2016-08-30 Bozidar Jovanovic

K-Theory for hermitian symmetric spaces of non-compact type, as developed recently by the authors, allows to put Cartan's classification into a homological perspective. We apply this method to the case of inductive limits of finite…

K-Theory and Homology · Mathematics 2016-09-23 Dennis Bohle , Wend Werner

Motivated by recent discussions of fractons, we explore nonrelativistic field theories with a continuous global symmetry, whose charge is a spatial vector. We present several such symmetries and demonstrate them in concrete examples. They…

Strongly Correlated Electrons · Physics 2020-04-08 Nathan Seiberg

The developments in this paper are concerned with nonholonomic field theories in the presence of symmetries. Having previously treated the case of vertical symmetries, we now deal with the case where the symmetry action can also have a…

Mathematical Physics · Physics 2008-11-26 J. Vankerschaver , D. Martin de Diego

In this paper, we present algebraic tools to obtain normal forms of $\omega$-Hamiltonian vector fields under a semisymplectic action of a Lie group, by taking into account the symmetries and reversing symmetries of the vector field. The…

‹ Prev 1 2 3 10 Next ›