Abstract
We give an integrability criterion for Lie algebra representations in a reflexive Banach space. Applications are given to skewsymmetric Lie algebra representations in Hilbert spaces and to essential skewadjointness of a sum of two skewadjoint operators.
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Simon, J. On the integrability of representations of finite dimensional real Lie algebras. Commun.Math. Phys. 28, 39–46 (1972). https://doi.org/10.1007/BF02099370
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DOI: https://doi.org/10.1007/BF02099370