nearly isometric spaces
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nearly isometric spaces
(¦nir·lē ′ī·sə′me·trik ′spās·əz)
(mathematics) Two Banach spaces, A and B, such that for any numbers c < 1 and d > 1 there is a bijective mapping, f, from A to B such that the norm of f(x) divided by the norm of x lies in the interval [c,d].
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