From Theory to Practice: Analyzing VQPM for Quantum Optimization of QUBO Problems

• URL: http://arxiv.org/abs/2505.12990v2
• Date: Sat, 07 Jun 2025 15:01:35 GMT
• Title: From Theory to Practice: Analyzing VQPM for Quantum Optimization of QUBO Problems
• Authors: Ammar Daskin,
• Abstract summary: The variational quantum power method (VQPM) adapts the classical power algorithm for quantum settings.<n>We present detailed strategies for applying VQPM to QUBO problems by leveraging these locking mechanisms.<n>Our results indicate that VQPM can be employed as an effective quantum optimization algorithm on quantum computers for QUBO problems.
• Score: 0.0
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: The variational quantum power method (VQPM), which adapts the classical power iteration algorithm for quantum settings, has shown promise for eigenvector estimation and optimization on quantum hardware. In this work, we provide a comprehensive theoretical and numerical analysis of VQPM by investigating its convergence, robustness, and qubit locking mechanisms. We present detailed strategies for applying VQPM to QUBO problems by leveraging these locking mechanisms. Based on the simulations for each strategy we have carried out, we give systematic guidelines for their practical applications. We also offer a numerical comparison with the quantum approximate optimization algorithm (QAOA) by running both algorithms on a set of trial problems. Our results indicate that VQPM can be employed as an effective quantum optimization algorithm on quantum computers for QUBO problems, and this work can serve as an initial guideline for such applications.

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