430 J.E. MARSDEN, MECHANICS, DYNAMICS, AND SYMMETRY
290: Wald, R.M. [1993] Variational principles, local symmetries and black hole
entropy. Proc. Lanczos Centennary volume SIAM, 231-237.- Walsh, G. and L. Bushnell [1993] Stabilization of multiple input chained
form control systems. Proc. IEEE Control and Decision Conj, San Antonio,
Dec. 1993. - Walsh, G. and S. Sastry [1995] On reorienting linked rigid bodies using inter-
nal motions. IEEE Trans. on Robotics and Automation, 11(1), 139-146. - Wang, L.S. and P.S. Krishnaprasad [1992] Gyroscopic control and stabiliza-
tion, J. Nonlinear Sci. 2 , 367-415. - Weinstein, A. [1978] A universal phase space for particles in Yang-Mills fields,
Lett. Math. Phys. 2 , 417-420. - Weinstein, A. [1990] Connections of Berry and Hannay type for moving La-
grangian submanifolds. Adv. in Math. 82, 133-159. - Wendlandt, J.M. and J.E. Marsden [1997] Mechanical integrators derived
from a discrete variational principle, Physica D 106 , 223-246. - Whitham, G .B. [1974] Linear and Nonlinear Waves, Wiley-Interscience, pp.
461-462. - Wisdom, J. , and M. Holman [1992] Symplectic maps for the N body problem,
Astron. J., 102 , 1528 - 1538. - Wisdom, J. , and M. Holman and J. Touma [1996] Symplectic correctors.
Fields Inst. Comm., 10 , 217-244. - Wisdom, J. , S.J. Peale, and F. Mignard [1984] The chaotic rotation of Hype-
rion, Icarus 58 , 137- 152. - Zenkov, D .V. [1995] The Geometry of the Routh Problem, J. Nonlinear Sci.
5 , 503-519. - Zenkov, D.V., A.M. Bloch, and J .E. Marsden [1997] The Energy Momentum
Method for the Stability of Nonholonomic Systems Dyn. Stab. of Systems.,
Dec, 1997.