My recent papers
 

Convexity theorem for infinite dimensional isoparametric submanifolds, Invent. Math. 112, 9-22, 1993

(with C. King) Minimal submanifolds in path spaces, Global Analysis in Modern Mathematics, edited by K. Uhlenbeck, Publish or Perish, 1993, 253-282

(with E. Heintze, R.S. Palais, G. Thorbergsson) Hyperpolar actions and k-flat homogeneous space, J. Reine Angew Math. 454 (1994) 163-179.

Polar actions on Hilbert spaces, The Journal of Goemtric Ananysis, 5 (1995) 129-150

(with E. Heintze, R.S. Palais, G. Thorbergsson) Hyperpolar actions on Symmetric spaces, In "Geometry, Topology, and Physics For Raoul Bott", edited by S.T. Yau, International Press (1995) 214-245

(with G. Thorbergsson) Submanifold Geomtry in Symmetric spaces, J. Differential Geometry, 42 (1995) 665-718

Solitons and Differential Geometry, J. Differential Geometry, 45 (1997) 407-445

(with G. Thorbergsson) Taut immersions in a complete Riemannian manifold, Tight and Taut immersions, MSRI Publications 32(1997), 181-228

(with K. Uhlenbeck) Introduction to Surveys in Differential Geometry: Integrable Systems, A supplement to J. Differential Geometry, 4(1999), 5-20

(with K. Uhlenbeck) Poisson actions and scattering theory for integrable systems, Surveys in Differential Geometry: Integrable Systems, A supplement to J. Differential Geometry, 4(1999), 315-402

(with K. Uhlenbeck) B\"acklund transformations and loop group actions, Comm. Pure Appl. Math. 53 (2000) 1-75, math.dg/9805074.

(with K. Uhlenbeck) Geometry of solitons, Notices of AMS, 47 (2000), 17-25

(with K. Uhlenbeck) Schr\"odinger flows on Grassmannians, to appear in "Integrable systems, Geometry and Topology", International Press math.DG/9901086

(with M. Br\"uck, X.Du, J. Park) The submanifold geometries associated to Grassmannian systems, math.DG/0006216, to appear in Memoirs, AMS

(with G. Thorbergsson) Completely integrable flows on Adjoint orbits, Result Math. 40 (2001), 286-309, math.DG/0108154

Geometries and Symmetries of Soliton equations  and Integrable Elliptic equations, preprint, to appear in Surveys on Geometry and Integrable Systems, Advanced Studies in Pure Mathematics, Mathematical Society of Japan, math.DG/0212372

(with K. Uhlenbeck) 1+1 wave maps into symmetric spaces, Comm. Anal. Geom. 12 (2004), 345-388

(with Bo Dai) B\"acklund transformations, Ward solitons, and unitons, preprint, math.DG/0405363

(with Bo Dai) Periodic and homoclinic solutions of the modified 2+1 Chiral model, preprint, math.DG/0405365

(with Erxiao Wang) Curve flats, exterior differential systems, and conservation laws, to appear in Complex, Contact and Symmetric Manifolds: In Honor of L. Vankecke, edited by O. Kowalski, EE. Musso, and D. Perrone,
math.DG/0406422

(with Shengli Kong and Erxiao Wang) Associative cones and integrable systems, to appear in Chinese Annals of Math., a special issue in memory of S. S. Chern.