Professor of Mathematics
Ph.D. 1992 (mathematics), Pennsylvania.

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Research Interests:

Differential geometry, geometric analysis, PDE, topology

Fellowships/Honors:

Honory Professor of University of Copenhagen; Foreign member of The Royal Danish Academy of Science and Letters; Alfred P. Sloan Foundation Fellowship, 1996; Mathematical Sciences Research Institute Postdoctoral Fellowship, 1993-1994; National Science Foundation Grant, 1993, 1995, 1998; Alfred P. Sloan Doctoral Dissertation Fellowship,1991-1992; Dean's Dissertation Fellowship, University of Pennsylvania, 1990-1991.

Selected Works:

Convergence of embedded minimal surfaces without area bounds on three manifolds, with Minicozzi, W. P. C. R. Acad. Sci., Paris. 1998.

Harmonic functions on manifolds, with W. P. Minicozzi. Annals of Math, vol. 146, n. 3. 1997. 725-747.

Ricci curvature and volume convergence. Annals of Math, vol. 145, n. 3. 1997. 477-501.

Lower bounds on Ricci curvature and the almost rigidity of warped products, with Cheeger, J. Annals of Math, 144. 1996. 189-237.

Stability and Ricci curvature. C. R. Acad. Sci., Paris. 1994.

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