2014

A Quantum Approximate Optimization Algorithm

Farhi, Edward, Goldstone, Jeffrey, Gutmann, Sam

Understand

We introduce a quantum algorithm that produces approximate solutions for combinatorial optimization problems.

  • The algorithm depends on a positive integer p and the quality of the approximation improves as p is increased.
  • The quantum circuit that implements the algorithm consists of unitary gates whose locality is at most the locality of the objective function whose optimum is sought.
  • The depth of the circuit grows linearly with p times (at worst) the number of constraints.

Built on

  • Quantum Computation and Decision Trees, 1997

    Edward Farhi, Sam Gutmann · 1997

    Earlier work this paper cites.

  • Quantum computation by adiabatic evolution, 2000

    Edward Farhi, Jeffrey Goldstone, Sam Gutmann, Michael Sipser · 2000

    Earlier work this paper cites.

Similar

  • Quantum Adiabatic Evolution Algorithms versus Simulated Annealing, 2002

    Edward Farhi, Jeffrey Goldstone, Sam Gutmann · 2002

    Cited alongside, same era.

  • Journal of Algorithms, Volume 53 Issue 2, Pages 169-185

    Eran Halperin, Dror Livnat, Uri Zwick. MAX CUT in cubic graphs, 2004 · 2004

    Cited alongside, same era.

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