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math.DG2011
Isospectral Submersion Metrics
Alexander Engel
We construct continuous families of pairwise isospectral metrics on various Riemannian manifolds (e.g., Lie groups, projective spaces and products of these with tori) which arise a…
math.DG2011★ 2 cited
Isospectral Alexandrov Spaces
Alexander Engel, Martin Weilandt
We construct the first non-trivial examples of compact non-isometric Alexandrov spaces which are isospectral with respect to the Laplacian and not isometric to Riemannian orbifolds…