Partial isometry
Sign in to savelinear map between Hilbert spaces
Connections
International Standard Book Number
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complex number
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John von Neumann
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digital object identifier
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matrix
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vector space
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Q180686
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bibcode
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Hilbert space
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functional analysis
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Q118398
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equivalence relation
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injection
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Q229883
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linear map
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basis
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if and only if
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isometry
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Proceedings of the National Academy of Sciences of the United States of America
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dimension of a vector space
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