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Symplectic integrators for index one constraints

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arxiv 1207.4250 v2 pith:RDK6JLTZ submitted 2012-07-18 math.NA cs.NA

Symplectic integrators for index one constraints

classification math.NA cs.NA
keywords constraintssymplectichamiltonianindexintegratorsarisingcontroldescription
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We show that symplectic Runge-Kutta methods provide effective symplectic integrators for Hamiltonian systems with index one constraints. These include the Hamiltonian description of variational problems subject to position and velocity constraints nondegenerate in the velocities, such as those arising in sub-Riemannian geometry and control theory.

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