2012 | OriginalPaper | Buchkapitel
Manifolds, Tubular Neighbourhoods and Their Perturbations
verfasst von : Olaf Post
Erschienen in: Spectral Analysis on Graph-like Spaces
Verlag: Springer Berlin Heidelberg
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In this chapter, we collect some general facts about Riemannian manifolds and tubular neighbourhoods of a one-dimensional space. Moreover, we provide convergence results for small perturbations of a metric on a manifold. In the subsequent Chap. 6, we mostly consider so-called “graph-like manifolds” with exact product structure for an edge neighbourhood and with exact scaling behaviour of the vertex neighbourhoods, simplifying the reduction to the metric graph significantly.