Subspace LWE
K.Z. Pietrzak, in:, Springer, 2012, pp. 548–563.

Lossy functions do not amplify well
K.Z. Pietrzak, A. Rosen, G. Segev, in:, Springer, 2012, pp. 458–475.

Hardness preserving constructions of pseudorandom functions
A. Jain, K.Z. Pietrzak, A. Tentes, in:, Springer, 2012, pp. 369–382.