Quantum and Classical Strong Direct Product Theorems and Optimal Time-Space Tradeoffs.

Hartmut Klauck Robert Spalek Ronald de Wolf Quantum and Classical Strong Direct Product Theorems and Optimal Time-Space Tradeoffs. 1472-1493 2007 36 SIAM J. Comput. 5 http://dx.doi.org/10.1137/05063235X db/journals/siamcomp/siamcomp36.html#KlauckSW07