Linked from
The 15 pages that link to Poisson bracket, each with the reason it gives.
Hamiltonian mechanicsRelated: It provides a compact rule for calculating how observables evolve.
Lie bracketRelated: It is a Lie bracket on observables, with a direct role in classical mechanics.
Symplectic geometryRelated: The symplectic form induces a Poisson bracket on smooth functions.
Jacobi identityRelated: Its Jacobi condition makes the bracket a Lie algebra operation on functions.
Symplectic manifoldRelated: The symplectic form induces the Poisson bracket on observables.