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Riemannian Manifolds

Raymond O. Wells ()
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Raymond O. Wells: University of Colorado Boulder

Chapter Chapter 13 in Differential and Complex Geometry: Origins, Abstractions and Embeddings, 2017, pp 187-210 from Springer

Abstract: Abstract In 1956 Nash proved that any smooth Riemannian manifold could be isometrically embedded in a higher-dimensional Euclidean space. A fundamental tool that was developed in his paper came to be known as the Nash implicit function theorem. This theorem was a generalization of the classical implicit theorem to Banach spaces of smooth functions with specified numbers of derivatives. The differential equation that needed to be solved could be formulated as a mapping of one such Banach space to another, and near a specific type of generic embedding, the linearization of the differential equation had a right inverse. By using suitable smoothing mappings, Nash was able to generalize the classical Newton method to obtain a solution to the embedding problem near the given embedding. The general case was obtained by additional geometric analysis.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-319-58184-2_13

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DOI: 10.1007/978-3-319-58184-2_13

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