Norms, XOR Lemmas, and Lower Bounds for Polynomials and Protocols.

Emanuele Viola Avi Wigderson Norms, XOR Lemmas, and Lower Bounds for Polynomials and Protocols. 137-168 2008 4 Theory of Computing 1 http://dx.doi.org/10.4086/toc.2008.v004a007 db/journals/toc/toc4.html#ViolaW08