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On extension theory inL 2-spaces |
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| Authors: | J. F. Brasche |
| Affiliation: | (1) Fachbereich Mathematik, J. W. Goethe-Universität, Postfach 11 19 32, 60054 Frankfurt, Germany |
| Abstract: | We present the first steps towards a general extension theory inL2-spaces. By this theory it is possible to construct all perturbations of the Laplacian supported by a closed setN  even if the classical capacity ofN equals zero. |
| Keywords: | 31B25 47A20 |
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