Quantum t-designs: t-wise Independence in the Quantum World.

Andris Ambainis Joseph Emerson Quantum t-designs: t-wise Independence in the Quantum World. 129-140 2007 conf/coco/2007 IEEE Conference on Computational Complexity http://doi.ieeecomputersociety.org/10.1109/CCC.2007.26 db/conf/coco/coco2007.html#AmbainisE07