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Authors: Jain, R. 
Ji, Z.
Upadhyay, S.
Watrous, J.
Keywords: matrix multiplicative weights update method
quantum computation
quantum interactive proof systems
semidefinite programming
Issue Date: 2010
Citation: Jain, R.,Ji, Z.,Upadhyay, S.,Watrous, J. (2010). QIP = PSPACE. Proceedings of the Annual ACM Symposium on Theory of Computing : 573-581. ScholarBank@NUS Repository.
Abstract: We prove that the complexity class QIP, which consists of all problems having quantum interactive proof systems, is contained in PSPACE. This containment is proved by applying a parallelized form of the matrix multiplicative weights update method to a class of semidefinite programs that captures the computational power of quantum interactive proofs. As the containment of PSPACE in QIP follows immediately from the well-known equality IP = PSPACE, the equality QIP = PSPACE follows. © 2010 ACM.
Source Title: Proceedings of the Annual ACM Symposium on Theory of Computing
ISBN: 9781605588179
ISSN: 07378017
DOI: 10.1145/1806689.1806768
Appears in Collections:Staff Publications

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