Quantum-Enhanced Optimization by Warm Starts

Fuente: arXiv
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Main Authors: Čepaitė, Ieva, Vaishnav, Niam, Zhou, Leo, Montanaro, Ashley
Format: Preprint
Published: 2025
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author Čepaitė, Ieva
Vaishnav, Niam
Zhou, Leo
Montanaro, Ashley
author_facet Čepaitė, Ieva
Vaishnav, Niam
Zhou, Leo
Montanaro, Ashley
contents We present an approach, which we term quantum-enhanced optimization, to accelerate classical optimization algorithms by leveraging quantum sampling. Our method uses quantum-generated samples as warm starts to classical heuristics for solving challenging combinatorial problems like Max-Cut and Maximum Independent Set (MIS). To implement the method efficiently, we introduce novel parameter-setting strategies for the Quantum Approximate Optimization Algorithm (QAOA), qubit mapping and routing techniques to reduce gate counts, and error-mitigation techniques. Experimental results, including on quantum hardware, showcase runtime improvements compared with the original classical algorithms.
format Preprint
id arxiv_https___arxiv_org_abs_2508_16309
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Quantum-Enhanced Optimization by Warm Starts
Čepaitė, Ieva
Vaishnav, Niam
Zhou, Leo
Montanaro, Ashley
Quantum Physics
We present an approach, which we term quantum-enhanced optimization, to accelerate classical optimization algorithms by leveraging quantum sampling. Our method uses quantum-generated samples as warm starts to classical heuristics for solving challenging combinatorial problems like Max-Cut and Maximum Independent Set (MIS). To implement the method efficiently, we introduce novel parameter-setting strategies for the Quantum Approximate Optimization Algorithm (QAOA), qubit mapping and routing techniques to reduce gate counts, and error-mitigation techniques. Experimental results, including on quantum hardware, showcase runtime improvements compared with the original classical algorithms.
title Quantum-Enhanced Optimization by Warm Starts
topic Quantum Physics
url https://arxiv.org/abs/2508.16309