Positive curvature and eigenfunctions of the Laplacian

Donnelly, Harold

doi:10.1090/S0002-9939-07-09042-9

Positive curvature and eigenfunctions of the Laplacian
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by Harold Donnelly PDF

Proc. Amer. Math. Soc. 136 (2008), 373-376 Request permission

Abstract:

Examples are given of noncompact Riemannian manifolds having nonnegative Ricci cuvature and infinitely many square integrable eigenfunctions for the Laplace operator.

References

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