On the spectrum of the Laplacian
Date
2014Author
Charalambous, N.Lu, Z.
Source
Mathematische AnnalenVolume
359Issue
1-2Pages
211-238Google Scholar check
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In this article we prove a generalization of Weyl's criterion for the essential spectrum of a self-adjoint operator on a Hilbert space. We then apply this criterion to the Laplacian on functions over open manifolds and get new results for its essential spectrum. © 2013 Springer-Verlag Berlin Heidelberg.