Reflection on Stephenson's proof of the uniqueness of the square-root of a symmetric, positive-definite tensor (Q1805084)
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scientific article; zbMATH DE number 753643
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Reflection on Stephenson's proof of the uniqueness of the square-root of a symmetric, positive-definite tensor |
scientific article; zbMATH DE number 753643 |
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Reflection on Stephenson's proof of the uniqueness of the square-root of a symmetric, positive-definite tensor (English)
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19 September 1995
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A short proof of the following statement is given: Let \(S\) be a symmetric, positive definite tensor. The equation \(U^ 2= S\) always has exactly one solution \(U\) that is symmetric and positive-definite.
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square-root
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symmetric, positive definite tensor
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