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FOCS
2009
IEEE
15 years 10 months ago
Two-Message Quantum Interactive Proofs Are in PSPACE
We prove that QIP(2), the class of problems having two-message quantum interactive proof systems, is a subset of PSPACE. This relationship is obtained by means of an efficient pa...
Rahul Jain, Sarvagya Upadhyay, John Watrous
DAGSTUHL
2006
15 years 5 months ago
Using Quantum Oblivious Transfer to Cheat Sensitive Quantum Bit Commitment
It is well known that unconditionally secure bit commitment is impossible even in the quantum world. In this paper a weak variant of quantum bit commitment, introduced independent...
Andreas Jakoby, Maciej Liskiewicz, Aleksander Madr...
EUROCRYPT
2011
Springer
14 years 7 months ago
Making NTRU as Secure as Worst-Case Problems over Ideal Lattices
Abstract. NTRUEncrypt, proposed in 1996 by Hostein, Pipher and Silverman, is the fastest known lattice-based encryption scheme. Its moderate key-sizes, excellent asymptotic perfor...
Damien Stehlé, Ron Steinfeld
93
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CORR
2007
Springer
91views Education» more  CORR 2007»
15 years 3 months ago
Classical Interaction Cannot Replace a Quantum Message
We demonstrate a two-player communication problem that can be solved in the oneway quantum model by a 0-error protocol of cost O (log n) but requires exponentially more communicat...
Dmitry Gavinsky
121
Voted
DCC
2008
IEEE
16 years 3 months ago
From graph states to two-graph states
The name `graph state' is used to describe a certain class of pure quantum state which models a physical structure on which one can perform measurement-based quantum computin...
Constanza Riera, Stéphane Jacob, Matthew G. Parke...