
arXiv: 0910.0874
The Lagrange-Poincare equations of classical mechanics are cast into a field theoretic context together with their associated constrained variational principle. An integrability/reconstruction condition is established that relates solutions of the original problem with those of the reduced problem. The Kelvin-Noether theorem is formulated in this context. Applications to the isoperimetric problem, the Skyrme model for meson interaction, metamorphosis image dynamics, and molecular strands illustrate various aspects of the theory.
Submitted to Journal of Geometry and Physics, 45 pages, 1 figure
FOS: Physical sciences, 530, Skyrme model, 510, Field theories, [MATH.MATH-MP]Mathematics [math]/Mathematical Physics [math-ph], Euler–Lagrange equations, [MATH.MATH-MP] Mathematics [math]/Mathematical Physics [math-ph], Mathematical Physics, Conservation laws, covariant reduction, [PHYS.MECA]Physics [physics]/Mechanics [physics], Mathematical Physics (math-ph), 540, Nonlinear Sciences - Chaotic Dynamics, variational problem, Lagrangian formalism and Hamiltonian formalism in mechanics of particles and systems, Covariant reduction, Symmetries and conservation laws in mechanics of particles and systems, Euler-Lagrange equations, [PHYS.MECA] Physics [physics]/Mechanics [physics], Chaotic Dynamics (nlin.CD), Symmetries, principle bundle reduction
FOS: Physical sciences, 530, Skyrme model, 510, Field theories, [MATH.MATH-MP]Mathematics [math]/Mathematical Physics [math-ph], Euler–Lagrange equations, [MATH.MATH-MP] Mathematics [math]/Mathematical Physics [math-ph], Mathematical Physics, Conservation laws, covariant reduction, [PHYS.MECA]Physics [physics]/Mechanics [physics], Mathematical Physics (math-ph), 540, Nonlinear Sciences - Chaotic Dynamics, variational problem, Lagrangian formalism and Hamiltonian formalism in mechanics of particles and systems, Covariant reduction, Symmetries and conservation laws in mechanics of particles and systems, Euler-Lagrange equations, [PHYS.MECA] Physics [physics]/Mechanics [physics], Chaotic Dynamics (nlin.CD), Symmetries, principle bundle reduction
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