Results 81 to 90 of about 9,998 (155)

ABJ anomaly as a U(1) symmetry and Noether’s theorem

SciPost Physics
The Adler-Bell-Jackiw anomaly determines the violation of chiral symmetry when massless fermions are coupled to an abelian gauge field. In its seminal paper, Adler noticed that a modified chiral $U(1)$ symmetry could still be defined, at the expense of ...
Valentin Benedetti, Horacio Casini, Javier M. Magan
doaj   +1 more source

Covariant Canonical Method for Yang-Mills Theory Expressed as a Constrained BF-Like Theory

Advances in Mathematical Physics, 2012
The covariant canonical analysis for Yang-Mills theory expressed as a BF-like action is performed. We study a BF-like action, that in spite of being the coupling of two topological terms, yield, on shell to Yang-Mills action.
Alberto Escalante, Irving García
doaj   +1 more source

A Generalized Fractional Calculus of Variations

, 2013
We study incommensurate fractional variational problems in terms of a generalized fractional integral with Lagrangians depending on classical derivatives and generalized fractional integrals and derivatives.
Malinowska, Agnieszka B., Odzijewicz, Tatiana, Torres, Delfim F. M.   +2 more
core  

Emmy Noether and Linear Evolution Equations

Acta Polytechnica, 2013
Noether’s Theorem relates the Action Integral of a Lagrangian with symmetries which leave it invariant and the first integrals consequent upon the variational principle and the existence of the symmetries. These each have an equivalent in the Schrödinger
P. G. L. Leach
doaj  

Miracles persist: a reply to Sus. [PDF]

Eur J Philos Sci, 2022
Linnemann N, Read J.
europepmc   +1 more source

Nearly Periodic Maps and Geometric Integration of Noncanonical Hamiltonian Systems. [PDF]

J Nonlinear Sci, 2023
Burby JW, Hirvijoki E, Leok M.
europepmc   +1 more source

On controlled Hamilton and Hamilton-Jacobi differential equations of higher-order. [PDF]

Sci Rep, 2022
Treanţă S, Nonlaopon K, Khan MB.
europepmc   +1 more source

BRST Noether theorem and corner charge bracket

Journal of High Energy Physics
We provide a proof of the BRST Noether 1.5th theorem, conjectured in [ JHEP 10 (2024) 055 ], for a broad class of rank-1 BV theories including supergravity and 2-form gauge theories. The theorem asserts that the BRST Noether current of any BRST invariant
Laurent Baulieu, Tom Wetzstein, Siye Wu
doaj   +1 more source

Lagrangian Approach to Dispersionless KdV Hierarchy

Symmetry, Integrability and Geometry: Methods and Applications, 2007
We derive a Lagrangian based approach to study the compatible Hamiltonian structure of the dispersionless KdV and supersymmetric KdV hierarchies and claim that our treatment of the problem serves as a very useful supplement of the so-called r-matrix ...
Amitava Choudhuri, B. Talukdar, U. Das
doaj  

Approximation of nearly-periodic symplectic maps via structure-preserving neural networks. [PDF]

Sci Rep, 2023
Duruisseaux V, Burby JW, Tang Q.
europepmc   +1 more source