@article{v013a015, author = {Bri{\"e}t, Jop and Regev, Oded and Saket, Rishi}, title = {Tight Hardness of the Non-Commutative Grothendieck Problem}, year = {2017}, pages = {1--24}, doi = {10.4086/toc.2017.v013a015}, publisher = {Theory of Computing}, journal = {Theory of Computing}, volume = {13}, number = {15}, URL = {https://theoryofcomputing.org/articles/v013a015}, }