Extension of analyticity for solutions of partial differential operators


We introduce a quantitative version of the complement of the analytic wave front set and study its extension for solutions of partial differential operators. This quantitative result can be applied in the study of surjective partial differential operators on spaces of real analytic functions.

DOI Code: 10.1285/i15900932v17p29

Keywords: Partial differential equations; Extension of analiticity

Classification: 35E05; 35D05; 46F15

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