Boundary fibration structures and quasi-homogeneous geometries

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Abstract/Contents

Abstract
In this thesis we extend work by Mazzeo on conformally compact manifolds to a class of manifolds with quasi-homogeneous geometries, which we call kappa-manifolds. Our results show that there are complete noncompact manifolds of negative curvature, that have 0 in the essential spectrum for the Hodge Laplacian on forms, and this applies in a range of degrees centered at the middle degree. As is typical for boundary fibration structures our methods give much more, namely we provide a general framework to study elliptic partial differential operators on kappa-manifolds based on microlocal methods. We construct a calculus of pseudodifferential operators on the manifold, and give precise conditions for the existence of a parametrix for elliptic differential operators in this calculus. This work takes up the bulk of the thesis. We then apply this to the spectral theory of the Hodge Laplacian on a kappa-manifold. This step requires detailed analysis of the Hodge Laplacian on a simpler model space, which in turn requires detailed study of a system of ordinary differential equations.

Description

Type of resource text
Form electronic; electronic resource; remote
Extent 1 online resource.
Publication date 2017
Issuance monographic
Language English

Creators/Contributors

Associated with Thorvaldsson, Sverrir
Associated with Stanford University, Department of Mathematics.
Primary advisor Mazzeo, Rafe
Thesis advisor Mazzeo, Rafe
Thesis advisor Vasy, András
Thesis advisor Zhu, Xuwen, 1988-
Advisor Vasy, András
Advisor Zhu, Xuwen, 1988-

Subjects

Genre Theses

Bibliographic information

Statement of responsibility Sverrir Thorvaldsson.
Note Submitted to the Department of Mathematics.
Thesis Thesis (Ph.D.)--Stanford University, 2017.
Location electronic resource

Access conditions

Copyright
© 2017 by Sverrir Orn Thorvaldsson
License
This work is licensed under a Creative Commons Attribution Non Commercial 3.0 Unported license (CC BY-NC).

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