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Comparative Study of Variations in Quantum Approximate Optimization Algorithms for the Traveling Salesman Problem

Journal Article · · Entropy
DOI:https://doi.org/10.3390/e25081238· OSTI ID:2278835
The traveling salesman problem (TSP) is one of the most often-used NP-hard problems in computer science to study the effectiveness of computing models and hardware platforms. In this regard, it is also heavily used as a vehicle to study the feasibility of the quantum computing paradigm for this class of problems. In this paper, we tackle the TSP using the quantum approximate optimization algorithm (QAOA) approach by formulating it as an optimization problem. By adopting an improved qubit encoding strategy and a layer-wise learning optimization protocol, we present numerical results obtained from the gate-based digital quantum simulator, specifically targeting TSP instances with 3, 4, and 5 cities. We focus on the evaluations of three distinctive QAOA mixer designs, considering their performances in terms of numerical accuracy and optimization cost. Notably, we find that a well-balanced QAOA mixer design exhibits more promising potential for gate-based simulators and realistic quantum devices in the long run, an observation further supported by our noise model simulations. Furthermore, we investigate the sensitivity of the simulations to the TSP graph. Overall, our simulation results show that the digital quantum simulation of problem-inspired ansatz is a successful candidate for finding optimal TSP solutions.
Research Organization:
Iowa State University, Ames, IA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
FG02-87ER40371; SC0023692; SC0023707
OSTI ID:
2278835
Journal Information:
Entropy, Journal Name: Entropy Journal Issue: 8 Vol. 25; ISSN 1099-4300
Publisher:
MDPICopyright Statement
Country of Publication:
United States
Language:
English

References (44)

Efficient Quantum Algorithms for GHZ and W States, and Implementation on the IBM Quantum Computer journal April 2019
Advances in Optimization and Numerical Analysis book January 1994
An investigation of IBM quantum computing device performance on combinatorial optimisation problems journal June 2022
Layerwise learning for quantum neural networks journal January 2021
Mixer-phaser Ansätze for quantum optimization with hard constraints journal June 2022
Quantum annealing: A new method for minimizing multidimensional functions journal March 1994
The self-organizing map journal November 1998
Direct search algorithms for optimization calculations journal January 1998
Hardware-efficient variational quantum eigensolver for small molecules and quantum magnets journal September 2017
Quantum approximate optimization of non-planar graph problems on a planar superconducting processor journal February 2021
Multi-angle quantum approximate optimization algorithm journal April 2022
Implementation of XY entangling gates with a single calibrated pulse journal November 2020
X Y mixers: Analytical and numerical results for the quantum alternating operator ansatz journal January 2020
Training saturation in layerwise quantum approximate optimization journal September 2021
Near-optimal quantum circuit for Grover's unstructured search using a transverse field journal June 2017
Quantum annealing in the transverse Ising model journal November 1998
Quantum annealing of the traveling-salesman problem journal November 2004
Digitized-counterdiabatic quantum approximate optimization algorithm journal February 2022
Adaptive quantum approximate optimization algorithm for solving combinatorial problems on a quantum computer journal July 2022
Solving hadron structures using the basis light-front quantization approach on quantum computers journal December 2022
Adiabatic quantum computation journal January 2018
Multivariate stochastic approximation using a simultaneous perturbation gradient approximation journal March 1992
Performance Evaluations of Noisy Approximate Quantum Fourier Arithmetic conference May 2022
Comparative study on the variations of quantum approximate optimization algorithms to the Traveling Salesman Problem conference May 2023
Grover Mixers for QAOA: Shifting Complexity from Mixer Design to State Preparation conference October 2020
The Quantum Alternating Operator Ansatz on Maximum k-Vertex Cover conference October 2020
Analyzing the behaviour of D'WAVE quantum annealer: fine-tuning parameterization and tests with restrictive Hamiltonian formulations conference December 2022
Solving Vehicle Routing Problem Using Quantum Approximate Optimization Algorithm journal July 2023
Quantum Computing for Finance: State-of-the-Art and Future Prospects journal January 2020
Optimization by Simulated Annealing journal May 1983
Quantum Approximate Optimization with Hard and Soft Constraints conference November 2017
Integer Programming Formulation of Traveling Salesman Problems journal October 1960
On the Representation of Boolean and Real Functions as Hamiltonians for Quantum Computing journal December 2021
CRC Standard Probability and Statistics Tables and Formulae, Student Edition reference-book January 2000
QuASeR: Quantum Accelerated de novo DNA sequence reconstruction journal April 2021
Quantum Computing in the NISQ era and beyond journal August 2018
Exact Ising model simulation on a quantum computer journal December 2018
An Adaptive Optimizer for Measurement-Frugal Variational Algorithms journal May 2020
Counterdiabaticity and the quantum approximate optimization algorithm journal January 2022
Approaching the theoretical limit in quantum gate decomposition journal May 2022
Ising formulations of many NP problems journal January 2014
Solving the Traveling Salesman Problem on the D-Wave Quantum Computer journal November 2021
From the Quantum Approximate Optimization Algorithm to a Quantum Alternating Operator Ansatz journal February 2019
GPS: A New TSP Formulation for Its Generalizations Type QUBO journal January 2022