On invariants of differential operators with multiple characteristics (Q1264876)
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scientific article; zbMATH DE number 1206236
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On invariants of differential operators with multiple characteristics |
scientific article; zbMATH DE number 1206236 |
Statements
On invariants of differential operators with multiple characteristics (English)
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5 October 1998
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characteristic manifold
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principal symbol
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multiple characteristics
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hypoellipticity
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