On the geometry of P-convex sets for operators of real principal type (Q1823384)
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scientific article; zbMATH DE number 4115113
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On the geometry of P-convex sets for operators of real principal type |
scientific article; zbMATH DE number 4115113 |
Statements
On the geometry of P-convex sets for operators of real principal type (English)
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1988
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The author gives a geometric criterion of P-convexity for an open subset \(\Omega\) of \({\mathbb{R}}^ n\), in the case when the operator with constant coefficients P is of real principal type and \(\partial \Omega\) does not contain intervals of straight lines.
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operators of real principal type
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geometric criterion of P-convexity
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