Classical and Quantum Distributed Algorithms for the Survivable Network Design Problem

• URL: http://arxiv.org/abs/2404.10748v1
• Date: Tue, 16 Apr 2024 17:27:03 GMT
• Title: Classical and Quantum Distributed Algorithms for the Survivable Network Design Problem
• Authors: Phillip Kerger, David E. Bernal Neira, Zoe Gonzalez Izquierdo, Eleanor G. Rieffel,
• Abstract summary: We investigate distributed classical and quantum approaches for the survivable network design problem (SNDP) No classical or quantum algorithms for the SNDP have been formulated in the distributed settings we consider. Results raise the question of whether there is a separation between the classical and quantum models for application-scale instances of the problems considered.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We investigate distributed classical and quantum approaches for the survivable network design problem (SNDP), sometimes called the generalized Steiner problem. These problems generalize many complex graph problems of interest, such as the traveling salesperson problem, the Steiner tree problem, and the k-connected network problem. To our knowledge, no classical or quantum algorithms for the SNDP have been formulated in the distributed settings we consider. We describe algorithms that are heuristics for the general problem but give concrete approximation bounds under specific parameterizations of the SNDP, which in particular hold for the three aforementioned problems that SNDP generalizes. We use a classical, centralized algorithmic framework first studied in (Goemans & Bertsimas 1993) and provide a distributed implementation thereof. Notably, we obtain asymptotic quantum speedups by leveraging quantum shortest path computations in this framework, generalizing recent work of (Kerger et al. 2023). These results raise the question of whether there is a separation between the classical and quantum models for application-scale instances of the problems considered.

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