Nonstandard analysis in classical physics and quantum formal scattering (Q1106206)
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scientific article; zbMATH DE number 4061233
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Nonstandard analysis in classical physics and quantum formal scattering |
scientific article; zbMATH DE number 4061233 |
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Nonstandard analysis in classical physics and quantum formal scattering (English)
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1988
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It is shown that nonstandard analysis allows to avoid limit procedures in the expressions for a Green function etc.: namely, expressions like \(x+/0\), that are usually understood as \(\lim (x+a)\) as a tends to 0, \(a\to 0\), can be changed to \(x+a\), where a is a positive infinitesimal number.
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formal quantum scattering
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nonstandard analysis
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Green function
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