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- Max Planck Institute for Mathematics in the SciencesDE256 papers
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20 papers · 1 filter
Tighter monogamy and polygamy relations of quantum entanglement in multi-qubit systems
Wen-Wen Liu, Zi-Feng Yang, Shao-Ming Fei
We investigate the monogamy relations related to the concurrence, the entanglement of formation, convex-roof extended negativity, Tsallis-q entanglement and R'enyi-α entanglement,…
Unambiguous state discrimination with intrinsic coherence
Jin-Hua Zhang, Fu-Lin Zhang, Zhi-Xi Wang +2
We investigate the discrimination of pure-mixed (quantum filtering) and mixed-mixed states and compare their optimal success probability with the one for discriminating other pairs…
Differential Operators on Surfaces and Rational WKB Method
Alexander Thomas
In this paper, we give a simple and geometric, but formal, description of an open subset of the character variety of surface groups into . The main ingre…
Marginal Independence Models
Tobias Boege, Sonja Petrović, Bernd Sturmfels
We impose rank one constraints on marginalizations of a tensor, given by a simplicial complex. Following work of Kirkup and Sullivant, such marginal independence models can be made…
Necessary conditions on effective quantum entanglement catalysts
Yu-Min Guo, Yi Shen, Li-Jun Zhao +4
Quantum catalytic transformations play important roles in the transformation of quantum entangled states under local operations and classical communications (LOCC). The key problem…
Tighter constraints of multiqubit entanglement in terms of unified entropy
Ya-Ya Ren, Zhi-Xi Wang, Shao-Ming Fei
We present classes of monogamy inequalities related to the -th () power of the entanglement measure based on the unified-() entropy, and polygamy inequalities rela…