Quantum-inspired algorithms in practice

24 May 2019Juan Miguel ArrazolaAlain DelgadoBhaskar Roy BardhanSeth Lloyd

We study the practical performance of quantum-inspired algorithms for recommendation systems and linear systems of equations. These algorithms were shown to have an exponential asymptotic speedup compared to previously known classical methods for problems involving low-rank matrices, but with complexity bounds that exhibit a hefty polynomial overhead compared to quantum algorithms... (read more)

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