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Published March 1992 | public
Journal Article

The Neumann Laplacian of a jelly roll

Abstract

We consider the Laplacian with Neumann boundary conditions of a bounded connected region obtained by removing a suitable infinite spiral from an annulus. We show that the spectrum has an absolutely continuous component.

Additional Information

© 1992 American Mathematical Society. Received by the editors October 11, 1990. (Communicated by Paul S. Muhly) Research partially funded under NSF grant number DMS-8801918.

Additional details

Created:
August 20, 2023
Modified:
October 18, 2023