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Results tagged with hilbert-spaces
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user 36502
A Hilbert space $H$ is a real or complex vector space endowed with an inner product such that $H$ is a complete metric space when endowed with the norm induced by this inner product.
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why is this a sufficient condition for a domain to be a core of an unbounded operator?
See also Theorem VIII.11 in Reed-Simon (p.269 vol. 1).
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