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Assisted Common Information with an Application to Secure Two-Party Sampling
Assisted Common Information Secure Two-Party Sampling Information Theory
2012/6/25
In this paper we generalize the notion of common information of two dependent variables introduced by G\'acs & K\"orner. They defined common information as the largest entropy rate of a common random ...
Some Quantum-Like Features of Mass Politics in Two-Party Systems
Quantum-Like Features Mass Politics Two-Party Systems
2011/8/2
Abstract: We expand the substantive terrain of QI's reach by illuminating a body of political theory that to date has been elaborated in strictly classical language and formalisms but has complex feat...
Non-adaptive Measurement-based Quantum Computation and Multi-party Bell Inequalities
Non-adaptive Measurement-based Quantum Computation Multi-party Bell Inequalities
2010/10/21
Quantum correlations exhibit behaviour that cannot be resolved with a local hidden variable picture of the world. In quantum information, they are also used as resources for information processing tas...
nse-Coding Attack on Three-Party Quantum Key Distribution Protocols
nse-Coding Attack Three-Party Quantum Key Distribution Protocols
2010/10/19
Cryptanalysis is an important branch in the study of cryptography, including both the classical cryptography and the quantum one. In this paper we analyze the security of two three-party quantum key d...
Secure two-party quantum evaluation of unitaries against specious adversaries
Secure two-party quantum evaluation unitaries specious adversaries
2010/10/19
We show that any two-party quantum computation, specified by a unitary which simultaneously acts on the registers of both parties,can be securely implemented against a quantum version of classical sem...
Does three-tangle properly quantify the three-party entanglement for Greenberger-Horne-Zeilinger-type states?
three-tangle three-party entanglement Greenberger-Horne-Zeilinger-type states
2010/4/8
Some mixed states composed of only GHZ states can be expressed in terms of only W-states. This fact implies that such states have vanishing three-tangle. One of such rank-3 states, $\Pi_{GHZ}$, is exp...
Counting Method for Multi-party Computation over Non-abelian Groups
Multiparty Passive Adversary Non-Abelian Groups Graph Coloring Neighbor-Avoiding Walk Random Walk
2012/12/3
In the Crypto’07 paper [5], Desmedt et al. studied the problem of achieving secure n-party computation over non-Abelian groups. The function to be computed is fG(x1, . . . , xn) := x1 · . . . · xn whe...
Two-party political competition: A geometric study of the Nash equilibrium in a weighted case
Computational Geometry Operational Research
2010/9/16
This paper investigates an abstract game of political competition between two parties. All political positions are represented by points in a plane, and the parties choose positions that are as close ...
Controlled Quantum N-Party Simultaneous Direct Communication
direct communication N-party simultaneous
2007/8/15
2007Vol.48No.1pp.79-82DOI:
Controlled Quantum N-Party Simultaneous Direct Communication
XIA Yun-Jie and MAN Zhong-Xiao
College of Physics and Engineering, Qufu Normal Un...
I present a four-party unlockable bound-entangled state, that is, a four-party quantum state
which cannot be written in a separable form and from which no pure entanglement can be distilled by local ...