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authorThibaut Horel <thibaut.horel@gmail.com>2012-11-02 01:13:42 +0100
committerThibaut Horel <thibaut.horel@gmail.com>2012-11-02 01:13:42 +0100
commit91305dab5fa7783e3267b606a6ba77e5a2351ff4 (patch)
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downloadrecommendation-91305dab5fa7783e3267b606a6ba77e5a2351ff4.tar.gz
Small mistake in previous commit
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@@ -63,7 +63,7 @@ I will compute tomorrow, it should be roughly around 10).
\end{theorem}
Note that everything becomes nice when $R \geq I_d$. In this case, the smallest
-eigenvalue is larger than 1. Hence $\log\det R\geq 1$ and an approximation on
+eigenvalue is larger than 1. Hence $\log\det R\geq 0$ and an approximation on
$\tilde{V}$ gives an approximation ration on $V$ (see discussion above).
Furthermore, we can bound $\log(1+\mu)/\mu$ by 1 and I think we fall back on
the approximation ratio of section 2.