Back to the Abstract

	1 Introduction
	2 Observed local velocity distribution
	3 Effective potential and Jacobi integral
	4 Working potential
	5 Periodic orbits
	6 Liapunov exponents
	7 Phase space crowding
	8 Changing the initial conditions
	9 Resonances and stochasticity
	10 -body models
	11 Models versus observations
	12 Conclusion
	References