On a class of second order partial differential operators of non-principal type (Q3726664)
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scientific article
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On a class of second order partial differential operators of non-principal type |
scientific article |
Statements
On a class of second order partial differential operators of non-principal type (English)
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1985
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second order linear differential operator
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principal symbol
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subprincipal symbol
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0.95623314
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0.93051374
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0.8994233
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0.89941454
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