Stefan Sack

Graduate School
Serbyn Group

7 Publications

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[7]
2024 | Published | Journal Article | IST-REx-ID: 18923 | OA
Wurtz, Jonathan, et al. “Solving Nonnative Combinatorial Optimization Problems Using Hybrid Quantum–Classical Algorithms.” IEEE Transactions on Quantum Engineering, vol. 5, Institute of Electrical and Electronics Engineers , 2024, pp. 1–14, doi:10.1109/tqe.2024.3443660.
[Published Version] View | Files available | DOI
 
[6]
2024 | Published | Journal Article | IST-REx-ID: 15122 | OA
Sack, Stefan, and Daniel J. Egger. “Large-Scale Quantum Approximate Optimization on Nonplanar Graphs with Machine Learning Noise Mitigation.” Physical Review Research, vol. 6, no. 1, 013223, American Physical Society, 2024, doi:10.1103/PhysRevResearch.6.013223.
[Published Version] View | Files available | DOI | arXiv
 
[5]
2023 | Published | Thesis | IST-REx-ID: 14622 | OA
Sack, Stefan. Improving Variational Quantum Algorithms : Innovative Initialization Techniques and Extensions to Qudit Systems. Institute of Science and Technology Austria, 2023, doi:10.15479/at:ista:14622.
[Published Version] View | Files available | DOI
 
[4]
2023 | Published | Journal Article | IST-REx-ID: 13125 | OA
Sack, Stefan, et al. “Recursive Greedy Initialization of the Quantum Approximate Optimization Algorithm with Guaranteed Improvement.” Physical Review A, vol. 107, no. 6, 062404, American Physical Society, 2023, doi:10.1103/physreva.107.062404.
[Published Version] View | Files available | DOI | WoS | arXiv
 
[3]
2022 | Published | Journal Article | IST-REx-ID: 12111 | OA
Stocker, Lidia, et al. “Entanglement-Based Observables for Quantum Impurities.” Physical Review Research, vol. 4, no. 4, 043177, American Physical Society, 2022, doi:10.1103/PhysRevResearch.4.043177.
[Published Version] View | Files available | DOI
 
[2]
2022 | Published | Journal Article | IST-REx-ID: 11471 | OA
Sack, Stefan, et al. “Avoiding Barren Plateaus Using Classical Shadows.” PRX Quantum, vol. 3, no. 2, 020365, American Physical Society, 2022, doi:10.1103/prxquantum.3.020365.
[Published Version] View | Files available | DOI | WoS | arXiv
 
[1]
2021 | Published | Journal Article | IST-REx-ID: 9760 | OA
Sack, Stefan, and Maksym Serbyn. “Quantum Annealing Initialization of the Quantum Approximate Optimization Algorithm.” Quantum, vol. 5, 491, Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften, 2021, doi:10.22331/Q-2021-07-01-491.
[Published Version] View | Files available | DOI | WoS | arXiv
 
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1 Grants


IMB PhD Nomination Fellowship - Stefan Sack

2022-09-01 – 2023-12-31
IBM Research

7 Publications

Mark all

[7]
2024 | Published | Journal Article | IST-REx-ID: 18923 | OA
Wurtz, Jonathan, et al. “Solving Nonnative Combinatorial Optimization Problems Using Hybrid Quantum–Classical Algorithms.” IEEE Transactions on Quantum Engineering, vol. 5, Institute of Electrical and Electronics Engineers , 2024, pp. 1–14, doi:10.1109/tqe.2024.3443660.
[Published Version] View | Files available | DOI
 
[6]
2024 | Published | Journal Article | IST-REx-ID: 15122 | OA
Sack, Stefan, and Daniel J. Egger. “Large-Scale Quantum Approximate Optimization on Nonplanar Graphs with Machine Learning Noise Mitigation.” Physical Review Research, vol. 6, no. 1, 013223, American Physical Society, 2024, doi:10.1103/PhysRevResearch.6.013223.
[Published Version] View | Files available | DOI | arXiv
 
[5]
2023 | Published | Thesis | IST-REx-ID: 14622 | OA
Sack, Stefan. Improving Variational Quantum Algorithms : Innovative Initialization Techniques and Extensions to Qudit Systems. Institute of Science and Technology Austria, 2023, doi:10.15479/at:ista:14622.
[Published Version] View | Files available | DOI
 
[4]
2023 | Published | Journal Article | IST-REx-ID: 13125 | OA
Sack, Stefan, et al. “Recursive Greedy Initialization of the Quantum Approximate Optimization Algorithm with Guaranteed Improvement.” Physical Review A, vol. 107, no. 6, 062404, American Physical Society, 2023, doi:10.1103/physreva.107.062404.
[Published Version] View | Files available | DOI | WoS | arXiv
 
[3]
2022 | Published | Journal Article | IST-REx-ID: 12111 | OA
Stocker, Lidia, et al. “Entanglement-Based Observables for Quantum Impurities.” Physical Review Research, vol. 4, no. 4, 043177, American Physical Society, 2022, doi:10.1103/PhysRevResearch.4.043177.
[Published Version] View | Files available | DOI
 
[2]
2022 | Published | Journal Article | IST-REx-ID: 11471 | OA
Sack, Stefan, et al. “Avoiding Barren Plateaus Using Classical Shadows.” PRX Quantum, vol. 3, no. 2, 020365, American Physical Society, 2022, doi:10.1103/prxquantum.3.020365.
[Published Version] View | Files available | DOI | WoS | arXiv
 
[1]
2021 | Published | Journal Article | IST-REx-ID: 9760 | OA
Sack, Stefan, and Maksym Serbyn. “Quantum Annealing Initialization of the Quantum Approximate Optimization Algorithm.” Quantum, vol. 5, 491, Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften, 2021, doi:10.22331/Q-2021-07-01-491.
[Published Version] View | Files available | DOI | WoS | arXiv
 
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