1 files changed, 1 insertions, 1 deletions
diff --git a/paper/sections/results.tex b/paper/sections/results.tex
index 86f4c32..c39f9da 100644
--- a/paper/sections/results.tex
+++ b/paper/sections/results.tex
@@ -29,7 +29,7 @@ write $S\defeq\text{supp}(\theta^*)$ and $s=|S|$. Recall, that $\theta_i$ is the
     3\|X_S\|_1\}$. We say that $\Sigma$ satisfies the
     $(S,\gamma)$-\emph{restricted eigenvalue condition} iff:
 \begin{equation}
-    \forall X \in {\cal C(S)}, \| \Sigma X \|_2^2 \geq \gamma \|X\|_2^2 
+    \forall X \in {\cal C(S)}, X^T \Sigma X \geq \gamma \|X\|_2^2 
 \tag{RE}
 \label{eq:re}
 \end{equation}