Asynchronous Newton-Raphson Consensus for Robust Distributed Convex Optimization

نویسندگان

  • Ruggero Carli
  • Giuseppe Notarstefano
  • Luca Schenato
  • Damiano Varagnolo
چکیده

A general trend in the development of distributed 1 convex optimization procedures is to robustify existing algo2 rithms so that they can tolerate the characteristics and condi3 tions of communications among real devices. This manuscript 4 follows this tendency by robustifying a promising distributed 5 convex optimization procedure known as Newton-Raphson 6 consensus. More specifically, we modify this algorithm so 7 that it can cope with asynchronous, broadcast and unreliable 8 communications. We prove the convergence properties of the 9 modified algorithm under the assumption that the local costs are 10 quadratic, and support with numerical simulations the intuition 11 that this robustified algorithm converges to the true optimum as 12 soon as the local costs satisfy some mild smoothness conditions. 13

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تاریخ انتشار 2014