Raul Garcia Patron (University of Edinburgh): Limitations of optimization algorithms on noisy quantum devices

Team-Net Quantum Computing Colloquium

Whether current and next generation quantum computers solve relevant problems that are unachievable to our traditional devices remains an open question. A central question is whether the imperfections present in quantum computers can be overcome or it fundamentally restricts quantum computers. In this talk I will present a way of comparing classical algorithms to quantum ones running on near-term quantum devices for a large family of problems that consist of minimizing a cost function, such as in optimization problems. I will then discuss the capability of current and next-generations quantum computer to solve relevant optimization problems. The talk will be based on joint work with Daniel Stilck Franca Reference: Nature Physics 17, 1221–1227 (2021), https://arxiv.org/abs/2009.05532

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