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Echolocation On Manifolds, Kerong Wang
Echolocation On Manifolds, Kerong Wang
Honors Theses
We consider the question asked by Wyman and Xi [WX23]: ``Can you hear your location on a manifold?” In other words, can you locate a unique point x on a manifold, up to symmetry, if you know the Laplacian eigenvalues and eigenfunctions of the manifold? In [WX23], Wyman and Xi showed that echolocation holds on one- and two-dimensional rectangles with Dirichlet boundary conditions using the pointwise Weyl counting function. They also showed echolocation holds on ellipsoids using Gaussian curvature.
In this thesis, we provide full details for Wyman and Xi's proof for one- and two-dimensional rectangles and we show that …