| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 9500677 | Journal of Approximation Theory | 2005 | 4 Pages |
Abstract
We give a sufficient condition for strictly positive definiteness in Rd. The result is based on the question how sparse subsets of Rd can be to guarantee linear independence of the exponentials.
Related Topics
Physical Sciences and Engineering
Mathematics
Analysis
Authors
Wolfgang zu Castell, Frank Filbir, Ryszard Szwarc,