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- URN to cite this document:
- urn:nbn:de:bvb:355-epub-528871
- DOI to cite this document:
- 10.5283/epub.52887
Abstract
We prove quantitative versions of the following statement: If a solution of the 1+1-dimensional wave equation has spatially compact support and consists mainly of positive frequencies, then it must have a significant high-frequency component. Similar results are proven for the 3+1-dimensional wave equation.
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