A Cutting-plane Method for Semidefinite Programming with Potential Applications on Noisy Quantum Devices

Published on Oct 7, 2021in arXiv: Quantum Physics
Jakub Marecek13
Estimated H-index: 13
(CTU: Czech Technical University in Prague),
Albert Akhriev5
Estimated H-index: 5
There is an increasing interest in quantum algorithms for optimization problems. Within convex optimization, interior-point methods and other recently proposed quantum algorithms are non-trivial to implement on noisy quantum devices. Here, we discuss how to utilize an alternative approach to convex optimization, in general, and semidefinite programming (SDP), in particular. This approach is based on a randomized variant of the cutting-plane method. We show how to leverage quantum speed-up of an eigensolver in speeding up an SDP solver utilizing the cutting-plane method. For the first time, we demonstrate a practical implementation of a randomized variant of the cutting-plane method for semidefinite programming on instances from SDPLIB, a well-known benchmark. Furthermore, we show that the RCP method is very robust to noise in the boundary oracle, which may make RCP suitable for use even on noisy quantum devices.
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