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ABSTRACT Given holomorphic functions and , we consider first-order differential operators acting on Hardy space, generated by the formal differential expression . We characterize these operators which are complex symmetric… Click to show full abstract
ABSTRACT Given holomorphic functions and , we consider first-order differential operators acting on Hardy space, generated by the formal differential expression . We characterize these operators which are complex symmetric with respect to weighted composition conjugations. In parallel, as a basis of comparison, a characterization for differential operators which are hermitian is carried out. Especially, it is shown that hermitian differential operators are contained properly in the class of -selfadjoint differential operators. The calculation of the point spectrum of some differential operators is performed in detail.
Journal Title: Complex Variables and Elliptic Equations
Year Published: 2019
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