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Improved lower bounds of concurrence and convex-roof extended negativity based on Bloch representations.

Ming LiZong WangJing WangShuqian ShenShao-Ming Fei
Published in: Quantum Inf. Process. (2020)
Keyphrases
  • lower bound
  • upper bound
  • objective function
  • improved algorithm
  • convex hull
  • convex optimization
  • higher level
  • np hard
  • worst case
  • point cloud
  • lower and upper bounds
  • convex sets