Tuesday, July 30, 2013

1307.7488 (Anargyros Papageorgiou et al.)

Measures of quantum computing speedup    [PDF]

Anargyros Papageorgiou, Joseph F. Traub
We introduce the concept of strong quantum speedup. We prove that approximating the ground state energy of an instance of the time-independent Schr\"odinger equation, with $d$ degrees of freedom, $d$ large, enjoys strong exponential quantum speedup. It can be easily solved on a quantum computer. Some researchers in discrete complexity theory believe that quantum computation is not effective for eigenvalue problems. One of our goals in this paper is to explain this dissonance.
View original: http://arxiv.org/abs/1307.7488

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