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Senior Lecturer (Retired)
Differential geometry, dynamical systems
On Some Fundamental Equations of Equivariant Riemannian Geometry (with Manfredo do Carmo and Wu-Yi Hsiang) Tamkang Journal of Mathematics Volume 40 No. 4 (2009) 343-376.
Mathematics and tensegrity (with R. Connelly), American Scientist March-April (1998), 142–151.
dstool: Computer assisted exploration of dynamical systems (with J. Guckenheimer, M. Myers, F.J. Wicklin and P. Worfolk), Notices AMS 39 (1992), 303–309.
Equivariant geometry and Kervaire spheres (with Wu-Yi Hsiang), Trans. AMS 304 no. 1 (1987), 207–227.
Pontryagin forms on homogeneous spaces, Comment. Math. Helv. 57 no. 3 (1982), 349–355.
Rational Pontryagin classes and killing forms, J. Differential Geom. 16 no. 2 (1981), 191–193.