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The local isometric embedding in R3 of two-dimensional Riemannian manifolds with Gaussian curvature changing sign to finite order on a curve

Posted on:2004-10-18Degree:Ph.DType:Dissertation
University:University of PennsylvaniaCandidate:Khuri, Marcus AFull Text:PDF
GTID:1460390011475445Subject:Mathematics
Abstract/Summary:
We consider two natural problems arising in geometry which are equivalent to the local solvability of specific equations of Monge-Ampere type. These two problems are: the local isometric embedding problem for two-dimensional Riemannian manifolds, and the problem of locally prescribed Gaussian curvature for surfaces in R3 . We prove a general local existence result for a large class of Monge-Ampere equations in the plane, and obtain as corollaries the existence of regular solutions to both problems, in the case that the Gaussian curvature vanishes to arbitrary finite order on a single smooth curve.
Keywords/Search Tags:Gaussian curvature, Local
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