Automatic continuity for the unitary group

Tsankov, Todor

doi:10.1090/S0002-9939-2013-11666-7

Automatic continuity for the unitary group
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Proc. Amer. Math. Soc. 141 (2013), 3673-3680 Request permission

Abstract:

We show that every homomorphism from the infinite-dimensional unitary or orthogonal group to a separable group is continuous.

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