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| cff-version: 1.2.0 | |
| message: > | |
| If you use QR-SPPS in your research, please cite both the arXiv preprint | |
| (algorithmic framework) and this repository (Fujitsu hardware implementation). | |
| title: > | |
| QR-SPPS: Quantum-Native Retail Shock Propagation & Policy Stress Simulator | |
| — Fujitsu Quantum Simulator Challenge 2025-26 | |
| authors: | |
| - family-names: Chongder | |
| given-names: Sumit Tapas | |
| affiliation: > | |
| M.Tech, Quantum Technologies, Indian Institute of Technology Jodhpur, | |
| Rajasthan 342030, India | |
| email: sumitchongder960@gmail.com | |
| orcid: "" | |
| version: "1.0.0" | |
| date-released: "2026-03-21" | |
| license: MIT | |
| url: "https://github.com/sumitchongder/QR-SPPS" | |
| repository-code: "https://github.com/sumitchongder/QR-SPPS" | |
| abstract: > | |
| QR-SPPS (Quantum-Native Retail Shock Propagation and Policy Stress Simulator) | |
| is a five-notebook quantum pipeline implemented on the Fujitsu QSim A64FX | |
| cluster (QARP v0.4.4) that encodes a 40-node, 4-tier retail supply network | |
| as a 40-qubit Ising Hamiltonian and applies VQE, ADAPT-VQE, and DOS-QPE | |
| to detect cascade failures (39/40 nodes), rank counterfactual policy | |
| interventions in real time, and quantify Boltzmann-weighted tail risk. | |
| The Fujitsu A64FX achieves 2.8× more cascade detections than a standard | |
| workstation, with R²=0.9948 scaling confirmed across 6 MPI data points. | |
| keywords: | |
| - quantum computing | |
| - supply chain risk | |
| - variational quantum eigensolver | |
| - ADAPT-VQE | |
| - DOS-QPE | |
| - Ising Hamiltonian | |
| - Fujitsu QARP | |
| - A64FX | |
| - cascade failure | |
| - quantum advantage | |
| preferred-citation: | |
| type: article | |
| title: > | |
| QR-SPPS: Quantum-Native Retail Supply Chain Risk Simulation via VQE, | |
| ADAPT-VQE Counterfactual Policy Ranking, and DOS-QPE Boltzmann Tail Risk | |
| Quantification | |
| authors: | |
| - family-names: Chongder | |
| given-names: Sumit Tapas | |
| journal: "arXiv preprint" | |
| year: 2026 | |
| url: "https://arxiv.org/abs/2604.00035" | |
| doi: "10.48550/arXiv.2604.00035" | |
| identifiers: | |
| - type: doi | |
| value: "10.48550/arXiv.2604.00035" | |
| - type: url | |
| value: "https://arxiv.org/abs/2604.00035" | |