Unsolvable Hypoelliptic Differential Operators with a Totally Characteristic Point (Q3689539)
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scientific article
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Unsolvable Hypoelliptic Differential Operators with a Totally Characteristic Point |
scientific article |
Statements
Unsolvable Hypoelliptic Differential Operators with a Totally Characteristic Point (English)
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1983
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totally characteristic point
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selfadjoint
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positive principal symbol
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surjectivity
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hypoellipticity
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not local solvability
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