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Results tagged with hilbert-spaces
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user 33974
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.
2
votes
Can an accumulation point be an eigenvalue?
The spectrum consists of all values $\lambda$ for which $T-\lambda I$ does not have a continuous inverse. Eigenvalues always lie in the spectrum, but some of the values
in the spectrum may not be eige …
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