Resurse utile

• HNBody Symplectic Integration Package

​http://janus.astro.umd.edu/HNBody/

• NBI - Numerical integrators for the gravitational N-body problem

​http://www.astrobiology.ucla.edu/~varadi/NBI/NBI.html

• REDUCTION OF ROUND-OFF ERROR IN SYMPLECTIC INTEGRATORS

​http://www.iop.org/EJ/article/1538-3881/121/3/1768/200204.text.html#df3

• Symplectic Integration without Roundoff Error

​http://arxiv.org/abs/astro-ph/9408024

• Symplectic Integrators: Rotations and Roundoff Errors

​http://www.springerlink.com/content/kn6m2034852485q3/

• A Class of Symplectic Integrators with Adaptive Time Step for Separable Hamiltonian Systems

​http://www.iop.org/EJ/abstract/1538-3881/118/5/2532

• SYMPLECTIC INTEGRATOR ALGORITHMS FOR MODELING PLANETARY ACCRETION IN BINARY STAR SYSTEMS

​http://www.iop.org/EJ/article/1538-3881/123/5/2884/201483.web.pdf?request-id=9233c2b4-369e-4f28-bb44-6b78981a8d25

• Symplectic Integrator

​http://en.wikipedia.org/wiki/Symplectic_integrator

• Hamiltonian mechanics

​http://en.wikipedia.org/wiki/Hamiltonian_mechanics

• Symplectic integrator definition

​http://en.wikipedia.org/wiki/Symplectic_integrator

• Construction of higher order symplectic integrators

• Gravitational N-Body Simulation