In https://www.encyclopediaofmath.org/index.php/Unitary_space, unitary space seems to be Hilbert space. But in http://www.answers.com/topic/unitary-space, "finite dimensional" is required. My question is, which definition of unitary space is commonly used?
2026-04-30 00:08:39.1777507719
What is unitary space
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Answers.com is wrong. Unitary space is an archaic name for complex inner product space.