Quantum Money from Hidden Subspaces Scott Aaronson and Paul Christiano.
Position-Based Quantum Cryptography Christian Schaffner ILLC, University of Amsterdam Centrum Wiskunde & Informatica Logic Tea, ILLC Tuesday, 14/02/2012.
Small-Depth Quantum Circuits Frederic Green Department of Math/CS Clark University Worcester, MA.
Superpolynomial speedups from the quantum Fourier transform on the symmetric group
Position- Based Quantum Cryptography