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- W4366736340 abstract "We introduce new techniques to study the differential complexes associated to tube structures on $M times mathbb{T}^m$ of corank $m$, in which $M$ is a compact manifold and $mathbb{T}^m$ is the $m$-torus. By systematically employing partial Fourier series, for complex tube structures, we completely characterize global solvability, in a given degree, in terms of a weak form of hypoellipticity, thus generalizing existing results and providing a broad answer to an open problem proposed by Hounie and Zugliani (2017). We also obtain new results on the finiteness of the cohomology spaces in intermediate degrees. In the case of real tube structures, we extend an isomorphism for the cohomology spaces originally obtained by Dattori da Silva and Meziani (2016) in the case $M = mathbb{T}^n$. Moreover, we establish necessary and sufficient conditions for the differential operator to have closed range in the first degree." @default.
- W4366736340 created "2023-04-24" @default.
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- W4366736340 date "2023-04-20" @default.
- W4366736340 modified "2023-09-27" @default.
- W4366736340 title "Global solvability and cohomology of tube structures on compact manifolds" @default.
- W4366736340 doi "https://doi.org/10.48550/arxiv.2304.10472" @default.
- W4366736340 hasPublicationYear "2023" @default.
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