On the regularity of the solutions and of analytic vectors for “sums of squares”
We present a brief survey on some recent results concerning the local and global regularity of the solutions for some classes/models of sums of squares of vector fields with real-valued real analytic coefficients of H"ormander type. Moreover we also illustrate a result concerning the microlocal...
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| Médium: | Článek |
| Jazyk: | English |
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University of Bologna
2023-01-01
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| Edice: | Bruno Pini Mathematical Analysis Seminar |
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| On-line přístup: | https://mathematicalanalysis.unibo.it/article/view/16159 |
| Shrnutí: | We present a brief survey on some recent results concerning the local and global regularity of the solutions for some classes/models of sums of squares of vector fields with real-valued real analytic coefficients of H"ormander type. Moreover we also illustrate a result concerning the microlocal Gevrey regularity of analytic vectors for operators sums of squares of vector fields with real-valued real analytic coefficients of H"ormander type, thus providing a microlocal version, in the analytic category, of a result due to M. Derridj. |
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| ISSN: | 2240-2829 |