Quantum Low-Density Parity Check codes: Theory

Presentations

• Practical Code Surgery with Hypergraph Product Codes

  Oral-In-person

  March 17, 2026, 12:00 PM – March 17, 2026, 12:12 PM

  Presenters

  • John Blue

    • Massachusetts Institute of Technology

  Authors

  • John Blue

    • Massachusetts Institute of Technology

  • Zhiyang He

    • Massachusetts Institute of Technology

  • Hengyun Zhou

    • QuEra Computing and MIT

  • Isaac Chuang

    • Massachusetts Institute of Technology

  View abstract →

• High-Rate Surgery: towards constant-overhead logical operations

  Oral-In-person

  March 17, 2026, 12:12 PM – March 17, 2026, 12:24 PM

  Publication: arXiv:2510.08523

  Presenters

  • Guo Zheng

    • University of Chicago

  Authors

  • Guo Zheng

    • University of Chicago

  • Liang Jiang

    • University of Chicago

  • Qian Xu

    • Caltech

  View abstract →

• Quantum Process Realization of LDPC Code Dualities and Product Constructions

  Oral-In-person

  March 17, 2026, 12:24 PM – March 17, 2026, 12:36 PM

  Publication: Manuscript in preparation (2025)

  Presenters

  • Shuhan Zhang

    • University of California, San Diego

  Authors

  • Shuhan Zhang

    • University of California, San Diego

  • Deepak Aryal

  • Yi-Zhuang You

    • University of California, San Diego

  View abstract →

• Batched high-rate logical operations for quantum LDPC codes

  Oral-In-person

  March 17, 2026, 12:36 PM – March 17, 2026, 12:48 PM

  Publication: https://arxiv.org/abs/2510.06159

  Presenters

  • Qian Xu

    • Caltech

  Authors

  • Qian Xu

    • Caltech

  • Hengyun Zhou

    • QuEra Computing and MIT

  • Dolev Bluvstein

    • Harvard University

  • Madelyn Cain

    • Oratomic

  • Marcin Kalinowski

    • Harvard University

  • John Preskill

    • Caltech

  • Mikhail Lukin

    • Harvard University

  • Nishad Maskara

  View abstract →

• Single-Shot Universality in Quantum LDPC Codes via Code-Switching

  Oral-In-person

  March 17, 2026, 12:48 PM – March 17, 2026, 1:00 PM

  Publication: Single-Shot Universality in Quantum LDPC Codes via Code-Switching
  S. J. S. Tan, Y. Hong, T.-C. Lin, M. J. Gullans, M.-H. Hsieh.
  arXiv (2025). https://arxiv.org/abs/2510.08552

  Presenters

  • Shi Jie Samuel Tan

    • University of Maryland

  Authors

  • Shi Jie Samuel Tan

    • University of Maryland

  • Yifan Hong

    • University of Maryland, College Park

  • Ting-Chun Lin

  • Michael Gullans

    • National Institute of Standards and Technology (NIST)

  • Min-Hsiu Hsieh

  View abstract →

• The Diamond Protocol: A Planar, Local, and Defect-Adaptive Implementation of Quantum LDPC Codes

  Oral-In-person

  March 17, 2026, 1:00 PM – March 17, 2026, 1:12 PM

  Presenters

  • Alec Riso

    • Cornell University

  Authors

  • Alec Riso

    • Cornell University

  • Emerson Moore

  • Kevin Sullivan

  • Matt Can

  • Saavan Shah

  • Yichen Xu

  View abstract →

• Decoding Correlated Errors in Quantum LDPC Codes

  Oral-In-person

  March 17, 2026, 1:12 PM – March 17, 2026, 1:24 PM

  Publication: https://arxiv.org/abs/2510.14060

  Presenters

  • ARSHPREET MAAN

    • Aalto University

  Authors

  • ARSHPREET MAAN

    • Aalto University

  • Francisco-Garcia Herrero

  • Alexandru Paler

    • Aalto University

  • Valentin Savin

  View abstract →

• Transversal dimension jump for product qLDPC codes

  Oral-In-person

  March 17, 2026, 1:24 PM – March 17, 2026, 1:36 PM

  Publication: Preprint: arXiv:2510.07269

  Presenters

  • Christine Li

    • Columbia University

  Authors

  • Christine Li

    • Columbia University

  • John Preskill

    • Caltech

  • Qian Xu

  View abstract →

• Two-block and multi-block hyperbolic algebra codes

  Oral-In-person · Withdrawn

  March 17, 2026, 1:36 PM – March 17, 2026, 1:48 PM

  Presenters

  • Ali Fahimniya

    • University of Maryland College Park

  Authors

  • Ali Fahimniya

    • University of Maryland College Park

  • Yifan Hong

    • University of Maryland, College Park

  • Alexey Gorshkov

    • National Institute of Standards and Technology (NIST)

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• Towards addressable fault-tolerant logical computation on lifted-product codes

  Oral-In-person · Withdrawn

  March 17, 2026, 1:48 PM – March 17, 2026, 2:00 PM

  Presenters

  • Pei Zeng

    • University of Chicago

  Authors

  • Guo Zheng

    • University of Chicago

  • Pei Zeng

    • University of Chicago

  • Liang Jiang

    • University of Chicago

  • Qian Xu

    • Caltech

  View abstract →

• A fault-tolerant quantum computer based on bivariate bicycle codes

  Invited-In-person · Invited

  March 17, 2026, 2:00 PM – March 17, 2026, 2:36 PM

  Publication: [1] Theodore J. Yoder, Eddie Schoute, Patrick Rall, Emily Pritchett, Jay M. Gambetta, Andrew W. Cross, Malcolm Carroll, and Michael E. Beverland. "Tour de gross: A modular quantum computer based on bivariate bicycle codes." arXiv preprint arXiv:2506.03094 (2025).

  Presenters

  • Ted Yoder

    • IBM Quantum

  Authors

  • Ted Yoder

    • IBM Quantum

  View abstract →