Quantum algorithm for Petz recovery channels and pretty good measurements

30 Jun 2020 Gilyén András Lloyd Seth Marvian Iman Quek Yihui Wilde Mark M.

The Petz recovery channel plays an important role in quantum information science as an operation that approximately reverses the effect of a quantum channel. The pretty good measurement is a special case of the Petz recovery channel, and it allows for near-optimal state discrimination... (read more)

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Categories


  • QUANTUM PHYSICS
  • DATA STRUCTURES AND ALGORITHMS
  • HIGH ENERGY PHYSICS - THEORY
  • MATHEMATICAL PHYSICS
  • MATHEMATICAL PHYSICS