Hipoelipticidade, resolubilidade e formas normais para campos vetoriais no toro
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Data
2015-04-24Autor
Rampazo, Patrícia Yukari Sato
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The main aim of this work is to study a class of real vector elds de ned on a torus, where the concepts of global hypoellipticity, global C1 solvability and reduction to its normal form are equivalents. We also study a family of commuting vector fields that can be converted into a family of constant vector fields provided that there is one of them which its transpose operator is given by a hypoelliptic operator. We also provide some
applications on the global hypoellipticity property for a class of sublaplaceans. This work
was based on articles [11] and [12] from Gerson Petronilho.