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- National Quantum Information Centre in GdanskPL167 papers
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28 papers · 1 filter
Homogenization of Bell inequalities
Yu-Chun Wu, Marek Żukowski
A technique, which we call homogenization, is applied to transform CH-type Bell inequalities, which contain lower order correlations, into CHSH-type Bell inequalities, which are de…
N-particle nonclassicality without N-particle correlations
Marcin Wieśniak, Mohamed Nawareg, Marek Żukowski
Most of known multipartite Bell inequalities involve correlation functions for all subsystems. They are useless for entangled states without such correlations. We give a method of…
Homology of Distributive Lattices
Jozef H. Przytycki, Krzysztof K. Putyra
We outline the theory of sets with distributive operations: multishelves and multispindles, with examples provided by semi-lattices, lattices and skew lattices. For every such a st…
Polynomial mappings into a Stiefel manifold and immersions
Iwona Krzyżanowska, Zbigniew Szafraniec
For a polynomial mapping from S^{n-k} to the Stiefel manifold \widetilde{V}_k(\R^{n}), where n-k is even, there is presented an effective method of expressing the corresponding ele…
Nonclassicality of pure two-qutrit entangled states
Jacek Gruca, Wieslaw Laskowski, Marek Zukowski
We report an exhaustive numerical analysis of violations of local realism by two qutrits in all possible pure entangled states. In Bell type experiments we allow any pairs of local…
The Resource Theory of Quantum States Out of Thermal Equilibrium
Fernando G. S. L. Brandão, Michał Horodecki, Jonathan Oppenheim +2
The ideas of thermodynamics have proved fruitful in the setting of quantum information theory, in particular the notion that when the allowed transformations of a system are restri…