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CORR
2008
Springer
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13 years 11 months ago
The Johnson-Lindenstrauss lemma almost characterizes Hilbert space, but not quite
Let X be a normed space that satisfies the Johnson-Lindenstrauss lemma (J-L lemma, in short) in the sense that for any integer n and any x1, . . . , xn X there exists a linear ma...
William B. Johnson, Assaf Naor
CORR
2010
Springer
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13 years 11 months ago
Johnson-Lindenstrauss lemma for circulant matrices
We prove a variant of a Johnson-Lindenstrauss lemma for matrices with circulant structure. This approach allows to minimise the randomness used, is easy to implement and provides ...
Aicke Hinrichs, Jan Vybíral