New Lower and Upper Bounds for the Grothendieck Constant

Rahul Saha, Alan Li, Anton Xue +4

We establish new bounds on the Grothendieck constant $K_G$: \[ \frac{6π}{11} \le K_G \le \fracπ{2\log(1+\sqrt2)} - 10^{-4}. \] Methodologically, our lower bound approach differs fr…