Academic literature on the topic 'Informatique quantique'
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Journal articles on the topic "Informatique quantique"
Venne, Jean-François. "Informatique quantique : entre promesses et menaces." Gestion 45, no. 4 (2020): 42. http://dx.doi.org/10.3917/riges.454.0042.
Full textRakpho, Pichayakone, Woraphon Yamaka, and Songsak Sriboonchitta. "Which quantile is the most informative? Markov switching quantile model with unknown quantile level." Journal of Physics: Conference Series 1053 (July 2018): 012121. http://dx.doi.org/10.1088/1742-6596/1053/1/012121.
Full textNiebel, Vincent. "Coévolution des systèmes électriques et informatiques du Groupe EDF depuis vingt ans." Annales des Mines - Enjeux numériques N° 15, no. 3 (2021): 89–93. http://dx.doi.org/10.3917/ennu.015.0089.
Full textChen, Sixia, and Yan Daniel Zhao. "Quantile Regression Analysis of Survey Data Under Informative Sampling." Journal of Survey Statistics and Methodology 7, no. 2 (2018): 157–74. http://dx.doi.org/10.1093/jssam/smy018.
Full textChen, Xuerong, Niansheng Tang, and Yong Zhou. "Quantile regression of longitudinal data with informative observation times." Journal of Multivariate Analysis 144 (February 2016): 176–88. http://dx.doi.org/10.1016/j.jmva.2015.11.007.
Full textTang, Yanlin, Huixia Judy Wang, Xuming He, and Zhongyi Zhu. "An informative subset-based estimator for censored quantile regression." TEST 21, no. 4 (2011): 635–55. http://dx.doi.org/10.1007/s11749-011-0266-y.
Full textElBannan, Mona A., and Omar Farooq. "When are earnings informative?" International Journal of Islamic and Middle Eastern Finance and Management 12, no. 3 (2019): 388–406. http://dx.doi.org/10.1108/imefm-08-2018-0270.
Full textAteeq, Kahkashan, Noumana Safdar, and Shakeel Ahmed. "Exploring the Exponentiated Transmuted Inverse Rayleigh Distribution (ETIRD) in Classical and Bayesian Paradigms." STATISTICS, COMPUTING AND INTERDISCIPLINARY RESEARCH 4, no. 2 (2022): 17–37. http://dx.doi.org/10.52700/scir.v4i2.114.
Full textFarcomeni, Alessio, and Sara Viviani. "Longitudinal quantile regression in the presence of informative dropout through longitudinal-survival joint modeling." Statistics in Medicine 34, no. 7 (2014): 1199–213. http://dx.doi.org/10.1002/sim.6393.
Full textWang, Weiwei, Xianyi Wu, Xiaobing Zhao, and Xian Zhou. "Quantile estimation of partially varying coefficient model for panel count data with informative observation times." Journal of Nonparametric Statistics 31, no. 4 (2019): 932–51. http://dx.doi.org/10.1080/10485252.2019.1666128.
Full textDissertations / Theses on the topic "Informatique quantique"
Mhalla, Mehdi. "Informatique quantique, algorithmes et complexité." Grenoble INPG, 2004. http://www.theses.fr/2004INPG0113.
Full textThis work consists in several results in different domains of quantum computing. First, we propose an introduction to the quantum computing theory. Then we give efficient characterizations of entanglement for pure states. We define the full separability and the p-q separability, and give optimal algorithms that improve by a quadratic factor the detection of entanglement. The third part is dedicated to quantum game theory. We analyse some classical combinatorial games, and find an optimal strategy for the 0. 07 octal game. Then we propose a quantisation of the family of octal games, and of some other combinatorial games, defining by the way a formalism that permits to study such games. We also provide some new ideas for the study of the well know coin flip game. In the last part, we study optimisation problems, and give an optimal minima finding algorithm based on the quantum search. Then we apply this tool to design algorithms for some graph problems (connectivity, strong connectivity, minimum spanning tree and single source shortest paths. We prove the optimality of our algorithms by using the quantum adversary lower bound method, giving therefore a characherisation of the speed-up given by quantum computing for these problems
Tapp, Alain. "Informatique quantique, algorithmes et complexité de la communication." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0018/NQ51978.pdf.
Full textNegrevergne, Camille. "Contrôle quantique grâce aux méthodes de RMN : application à la simulation de systèmes quantiques." Bordeaux 1, 2002. http://www.theses.fr/2002BOR12593.
Full textLévi, Benjamin. "Simulation de systèmes quantiques sur un ordinateur quantique réaliste." Phd thesis, Université Paris-Diderot - Paris VII, 2004. http://tel.archives-ouvertes.fr/tel-00007592.
Full textForets, Irurtia Marcelo Alejandro. "Marches quantiques et mécanique quantique relativiste." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAM028/document.
Full textThis thesis is devoted to the development of two well-known models of computation for their application in quantum computer simulations. These models are the quantum walk (QW) and quantum cellular automata (QCA) models, and they constitute doubly strategic topics in this respect. First, they are privileged mathematical settings in which to encode the description of the actual physical system to be simulated. Second, they offer an experimentally viable architecture for actual physical devices performing the simulation.For QWs, we prove precise error bounds and convergence rates of the discrete scheme towards the Dirac equation, thus validating the QW as a quantum simulation scheme. Furthermore, for both models we formulate a notion of discrete Lorentz covariance, which admits a diagrammatic representation in terms of local, circuit equivalence rules. We also study the continuum limit of a wide class of QWs, and show that it leads to a class of PDEs which includes the Hamiltonian form of the massive Dirac equation in (1+1)-dimensional curved spacetime.Finally, we study the two particle sector of a QCA. We find the conditions for the existence of discrete spectrum (interpretable as molecular binding) for short-range and for long-range interactions. This is achieved using perturbation techniques of trace class operators and spectral analysis of unitary operators
Wang, Zizhu. "Non-localité des états symétriques et ses applications en informatique quantique." Thesis, Paris, ENST, 2013. http://www.theses.fr/2013ENST0015/document.
Full textThis thesis is about the nonlocal properties of permuation symmetric states and the potential usefulness of such properties in quantum information processing. The nonlocality of almost all symmetric states, except Dicke states is shown by constructing an $n$-party Hardy paradox. With the help of the Majorana representation, suitable measurement settings can be chosen for these symmetric states which satisfy the paradox. An extended CH inequality can be derived from the probabilistic conditions of the paradox. The inequality is shown to be violated by all symmetric states. The nonlocality properties and entanglement properties of symmetric states are also discussed and compared, natbly with respect to persistency and monogamy. It is shown that te degeneracy of some symmetric states is linked to the persistency, which provides a way to use device independent tests to separte nonlocality classes. It is also shown that the inequalities used to show the nonlocality of all symmetric states are not strictly monogamous.A new inequality for Dicke states is shown to be monogamous when the number of parties goes to infinity. But all these inequalites can not detect genuine nonlocality. Applications of nonlocality to communication complexity and Bayesian game theory are also discussed
Wang, Zizhu. "Non-localité des états symétriques et ses applications en informatique quantique." Electronic Thesis or Diss., Paris, ENST, 2013. http://www.theses.fr/2013ENST0015.
Full textThis thesis is about the nonlocal properties of permuation symmetric states and the potential usefulness of such properties in quantum information processing. The nonlocality of almost all symmetric states, except Dicke states is shown by constructing an n-party Hardy paradox. With the help of the Majorana representation, suitable measurement settings can be chosen for these symmetric states which satisfy the paradox. An extended CH inequality can be derived from the probabilistic conditions of the paradox. The inequality is shown to be violated by all symmetric states. The nonlocality properties and entanglement properties of symmetric states are also discussed and compared, natbly with respect to persistency and monogamy. It is shown that te degeneracy of some symmetric states is linked to the persistency, which provides a way to use device independent tests to separte nonlocality classes. It is also shown that the inequalities used to show the nonlocality of all symmetric states are not strictly monogamous.A new inequality for Dicke states is shown to be monogamous when the number of parties goes to infinity. But all these inequalites can not detect genuine nonlocality. Applications of nonlocality to communication complexity and Bayesian game theory are also discussed
Grospellier, Antoine. "Décodage des codes expanseurs quantiques et application au calcul quantique tolérant aux fautes." Electronic Thesis or Diss., Sorbonne université, 2019. http://www.theses.fr/2019SORUS575.
Full textFault tolerant quantum computation is a technique to perform reliable quantum computation using noisy components. In this context, quantum error correcting codes are used to keep the amount of errors under a sustainable threshold. One of the main problems of this field is to determine the minimum cost, in terms of memory and time, which is needed in order to transform an ideal quantum computation into a fault-tolerant one. In this PhD thesis, we show that the family of quantum expander codes and the small-set-flip decoder can be used in the construction of ref. [arXiv:1310.2984] to produce a fault-tolerant quantum circuit with constant space overhead. The error correcting code family and the decoder that we study has been introduced in ref. [arXiv:1504.00822] where an adversarial error model was examined. Based on the results of this article, we analyze quantum expander codes subjected to a stochastic error model which is relevant for fault-tolerant quantum computation [arXiv:1711.08351], [arXiv:1808.03821]. In addition, we show that the decoding algorithm can be parallelized to run in constant time. This is very relevant to prevent errors from accumulating while the decoding algorithm is running. Beyond the theoretical results described above, we perform a numerical analysis of quantum expander codes to measure their performance in practice [arXiv:1810.03681]. The error model used during these simulations generates X and Z type errors on the qubits with an independent and identically distributed probability distribution. Our results are promising because they reveal that these constant rate codes have a decent threshold and good finite length performance
Le, Quoc Cuong. "Autour des réseaux quantiques et des modèles de relais pour la clé quantique." Phd thesis, Paris, ENST, 2009. https://pastel.hal.science/pastel-00006239.
Full textIQuantum Key Distribution (QKD) is a technology that ensures, in theory, the inviolability of the transmitted key. However, some practical implementation problems remain open, especially on increasing the range of QKD's application. The objective of this thesis is to answer twocorrelated questions: (1) how to build large QKD networks, (2) how to secure QKD key relays. We have proposed, at the first stage, a model to ensure the security of key transmission in a large QKD network by using a stochastic routing. The effectiveness of this method is demonstrated by using percolation theory. In a second stage, we explored the safety of QKD relays and arrive to propose four new models to expand the range of QKD
Le, Quoc Cuong. "Autour des réseaux quantiques et des modèles de relais pour la clé quantique." Phd thesis, Télécom ParisTech, 2009. http://pastel.archives-ouvertes.fr/pastel-00006239.
Full textBooks on the topic "Informatique quantique"
Singh, Simon. Histoire des codes secrets: De l'Égypte des Pharaons à l'ordinateur quantique. J.-C. Lattès, 1999.
Brandt, Siegmund. Quantum mechanics on the personal computer. 2nd ed. Springer-Verlag, 1992.
1951-, Zurek Wojciech Hubert, ed. Complexity, entropy, and the physics of information: The proceedings of the 1988 Workshop on Complexity, Entropy, and the Physics of Information held May-June, 1989, in Santa Fe, New Mexico. Addison-Wesley Pub. Co., 1990.
Singh, Simon. Los Códigos Secretos. Debate, 2000.
Singh, Simon. The code book: The secret history of codes and codebreaking. Ted Smart, 2000.
Singh, Simon. The code book: The evolution of secrecy from Mary, Queen of Scots, to quantum cryptography. Doubleday, 1999.
Singh, Simon. The code book: The science of secrecy from ancient Egypt to quantum cryptography. Fourth Estate, 1999.
Penrose, Roger. Shadows of the mind: A search for the missing science of consciousness. Oxford University Press, 1994.
Informatique quantique : de la physique quantique à la programmation quantique en Q#. Éditions ENI, 2019.
Vathsan, Radhika. Introduction to Quantum Physics and Information Processing. Taylor & Francis Group, 2015.
Book chapters on the topic "Informatique quantique"
Bera, Anil K., Antonio F. Galvao, Gabriel V. Montes-Rojas, and Sung Y. Park. "Which Quantile is the Most Informative? Maximum Likelihood, Maximum Entropy and Quantile Regression." In Econometric Methods and Their Applications in Finance, Macro and Related Fields. WORLD SCIENTIFIC, 2014. http://dx.doi.org/10.1142/9789814513470_0007.
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