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Some Examples of Nonhypoelliptic Infinitely Degenerate Elliptic Differential Operators |
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| Authors: | Nguen Min' Tri |
| Affiliation: | (1) Hanoi Institute of Mathematics, Vietnam |
| Abstract: | This paper contains examples of nonhypoelliptic infinitely degenerate elliptic differential operators. Global nonsmooth solutions of the corresponding homogeneous equations are constructed. |
| Keywords: | nonhypoelliptic infinitely degenerate elliptic differential operators hypoellipticity Gevrey function class |
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