Spectral representation and the averaging problem in cosmology (Q5931063)
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scientific article; zbMATH DE number 1592817
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Spectral representation and the averaging problem in cosmology |
scientific article; zbMATH DE number 1592817 |
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Spectral representation and the averaging problem in cosmology (English)
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2 May 2001
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Cosmology requires a mapping procedure from reality to a model. This means, that such a procedure is a procedure of averaging the real, complicated geometry in some manner in order to assign a simplified model-geometry to it. The paper investigates such an averaging problem by introducing spectral distances. This is a measure of closeness between spaces defined in terms of the spectra of the Laplacian.
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cosmology
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spectral representation
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averaging problem
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