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 ## Description of constant
 
-$C_{10}$ is the **real Grothendieck constant** $K_{G}^{\mathbb R}$.
+$C\_{10}$ is the **real Grothendieck constant** $K\_{G}^{\mathbb R}$.
 
 It is the smallest constant $C$ such that for every $m,n \ge 1$ and every real matrix