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Remarks about global analytic hypoellipticity |
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| Authors: | Adalberto P. Bergamasco |
| Affiliation: | Departamento de Matemática, UFSCar, Caixa Postal 676, 13565-905, São Carlos, SP, Brazil |
| Abstract: | We present a characterization of the operators
which are globally analytic hypoelliptic on the torus. We give information about the global analytic hypoellipticity of certain overdetermined systems and of sums of squares. |
| Keywords: | Global analytic hypoellipticity exponential Liouville numbers exponential Liouville vectors steepest descent involutive systems continued fractions. |
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