Cited by 46Quantum Computing Algorithms and ArchitectureComplexity and Algorithms in GraphsMetaheuristic Optimization Algorithms Research

Qualifying quantum approaches for hard industrial optimization problems. A case study in the field of smart-charging of electric vehicles

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Dalyac, Constantin, Henriet, Loïc, Jeandel, Emmanuel, Lechner, Wolfgang, Perdrix, Simon, Porcheron, Marc, Veshchezerova, Margarita·2021·EPJ Quantum Technology

Abstract

In order to qualify quantum algorithms for industrial NP-Hard problems, comparing them to available polynomial approximate classical algorithms and not only to exact exponential ones is necessary. This is a great challenge as, in many cases, bounds on the reachable approximation ratios exist according to some highly-trusted conjectures of Complexity Theory. An interesting setup for such qualification is thus to focus on particular instances of these problems known to be “less difficult” than the worst-case ones and for which the above bounds can be outperformed: quantum algorithms should perform at least as well as the conventional approximate ones on these instances, up to very large sizes. We present a case study of such a protocol for two industrial problems drawn from the strongly developing field of smart-charging of electric vehicles. Tailored implementations of the Quantum Approximate Optimization Algorithm (QAOA) have been developed for both problems, and tested numerically with classical resources either by emulation of Pasqal’s Rydberg atom based quantum device or using Atos Quantum Learning Machine. In both cases, quantum algorithms exhibit the same approximation ratios as conventional approximation algorithms or improve them. These are very encouraging results, although still for instances of limited size as allowed by studies on classical computing resources. The next step will be to confirm them on larger instances, on actual devices, and for more complex versions of the problems addressed.

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  • Dalyac et al. utilized tailored implementations of QAOA to solve two problems arising in the field of smart charging electric vehicles, which can be mapped to Max-k-Cut and Maximum Independent Set problems, respectively.

    “Dalyac et al. [35] utilized tailored implementations of QAOA to solve two problems arising in the field of smart charging electric vehicles, which can be mapped to Max-k-Cut and Maximum Independent Set problems, respectively [35].”

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  1. [53]de Klerk E Pasechnik DV Warners JP On approximate graph colouring and max-k-cut algorithms based on the θ-function J Comb Optim 2004 8 3 267 294 10.1023/B:JOCO.0000038911.67280.3f · DOI

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Authors
Dalyac, C., Henriet, L., Jeandel, E., Lechner, W., Perdrix, S., Porcheron, M., & Veshchezerova, M.
Affiliations
  • Centre National de la Recherche Scientifique (FR)
  • Pasqal (France) (FR)
  • Universität Innsbruck (AT)
  • Électricité de France (France) (FR)
Corresponding author
Henriet, Loïc
Venue
EPJ Quantum Technology
Published
2021-05-17
Volume
8
Issue
1
Pages
12-12
ISSN
  • 2196-0763 (ISSN-L)
  • 2662-4400
OpenAlex
W3163997203
Cited by
46
References
71
Citations by year
2026: 5 · 2025: 8 · 2024: 5 · 2023: 18 · 2022: 9 · 2021: 1
FWCI
2.92
Type
journal article
Language
en
Open access
Locations
  • EPJ Quantum Technology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • Austrian Science Fund (Y1067-N27, F7108-N38)
  • Defense Advanced Research Projects Agency (HR001120C0068)
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Quantum Computing Algorithms and Architecture
  • Physical Sciences › Computer Science › Computational Theory and Mathematics › Complexity and Algorithms in Graphs
  • Physical Sciences › Computer Science › Artificial Intelligence › Metaheuristic Optimization Algorithms Research
Keywords
quantum approximate optimization algorithm, quantum algorithms, NP-hard optimization, approximation ratio, electric vehicle charging scheduling

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