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Published in:
2008 | OriginalPaper | Chapter
Invited Talk: Embedding Classical into Quantum Computation
Author : Richard Jozsa
Published in: Mathematical Methods in Computer Science
Publisher: Springer Berlin Heidelberg
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We describe a simple formalism for generating classes of quantum circuits that are classically efficiently simulatable and show that the efficient simulation of Clifford circuits (Gottesman-Knill theorem) and of matchgate circuits (Valiant’s theorem) appear as two special cases. Viewing these simulatable classes as subsets of the space of all quantum computations, we may consider minimal extensions that suffice to regain full quantum computational power, which provides an approach to exploring the efficacy of quantum over classical computation.