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Analytic regularity for solutions to sums of squares: an assessment

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Abstract

We present a brief survey on the state of the theory of the real analytic regularity (real analytic hypoellipticity) for the solutions to sums of squares of vector fields satisfying the Hörmander condition.

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Correspondence to Antonio Bove.

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In memory of Nick Hanges.

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Bove, A., Mughetti, M. Analytic regularity for solutions to sums of squares: an assessment. Complex Anal Synerg 6, 18 (2020). https://doi.org/10.1007/s40627-020-00055-8

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