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12-09
2010
Quantum Protocols for Anonymous Voting and Surveying, Optimal Quantum Strong Coi
内容： Title: Quantum Protocols for Anonymous Voting and Surveying Abstract: In my talk, I will describle quantum protocols for voting and surveying based on the work of Vaccaro et.al. A key feature o...
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12-03
2010
Quantum Network with Trapped Ions
内容： Trapped atomic ions have proven to be one of the most promising candidates for the realization of quantum network and quantum computation. In this talk, I will present the theoretical and exper...
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10-09
2009
Quantum Computer: Status and Prospects
内容： 量子计算机的概念源于上个世纪八十年代，当时物理学家论证了“摩尔时代必将终结”，而量子计算是种全新的运算模式，有望成为后摩尔时代的新技术。几十年来量子计算的研究越来越受到学界、政界、军界的高度重视...
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05-07
2008
A substate theorem in classical and quantum information theory with some applica
内容： Suppose P, Q are probability distributions on the same sample space. Their relative entropy is defined as S(P||Q) = \sum_i P(i) \log (P(i) / Q(i)). The relative entropy is an important informat...
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04-23
2008
Quantum walk based search algorithms
内容： In this survey talk we give an intuitive treatment of the discrete time quantization of classical Markov chains. Grover search and the quantum walk based search algorithms of Ambainis, Szegedy ...
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05-29
2007
Quantum communication complexity of block-composed functions
内容： A central open problem in communication complexity is whether or not quantum protocols can be exponentially more efficient than classical ones for computing a total Boolean function in the stan...