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Quantum Computing research

Quantum computing foundations, algorithms and programming, error correction and hardware, post-quantum security, and where the industry stands.

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523 entries

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  • Preprint
  • Not peer reviewed

Researchers report cloud-native emulator for hybrid QKD-PQC network testing

Original title: Hybrid QKD-PQC Network Emulation through Automated and Scalable Cloud-Native Orchestration

A preprint describes Quditto, an emulation platform letting researchers test hybrid quantum-safe networks without physical quantum hardware.

Iván Melijosa et al. · Added

  • Preprint
  • Not peer reviewed

Preprint proposes general synthesis method for multivariable quantum polynomial circuits

Original title: Quantum Algorithms for Multivariable Polynomial Transformations: From Efficient Synthesis to Quantum Channel Transformations

A preprint presents a constructive method for turning multivariable polynomials into quantum circuits, extending single-variable techniques to several noncommuting matrices.

Zheyu Shen et al. · Added

  • Preprint
  • Not peer reviewed

Preprint explores quantum edge in simulating disordered spin-model dynamics

Original title: Classical and Quantum Simulation of All-to-All Quantum Dynamics in Logarithmic Space

A preprint examines whether quantum computers can simulate disordered spin models in logarithmic space while staying hard for classical machines.

Maximilian Lutz et al. · Added

  • Preprint
  • Not peer reviewed
  • From QpiAI

Preprint proposes classical check that a remote quantum processor is genuine

Original title: Classical Verification of a Remote Quantum Processor via Degenerate Concordant Computations: An Application to Randomness Generation

A preprint describes a protocol letting a classical client verify a rented quantum processor's output in linear time, using a hidden parity secret.

Added

  • Preprint
  • Not peer reviewed

Preprint finds adaptive FIR filtering alone does not beat tuned boxcar readout

Original title: Real-Time Adaptive Filtering and the Boxcar Limit in Superconducting Qubit Readout

A preprint reports that an adaptive on-chip filter cuts trace noise in qubit readout but does not resolve any fidelity gain over a tuned boxcar baseline.

Hans Johnson et al. · Added

  • Journal article
  • Review status unknown

Researchers propose constraint-aware QAOA setup to boost feasible routes in vehicle routing

Original title: Improving Feasibility in Quantum Approximate Optimization Algorithm for Vehicle Routing via Constraint-Aware Initialization and Hybrid XY-X Mixing

A journal article reports a modified QAOA with structured initialisation and mixer that improves feasibility for small vehicle routing instances.

Yuan-Zheng Lei et al. · Added

  • Preprint
  • Not peer reviewed
  • From Shionogi, Classiq

Preprint reports a qubit-saving quantum method for benzene dimer stacking energies

Original title: A Divide-and-Conquer Quantum-Selected Configuration Interaction for Evaluating $\pi$-$\pi$ Stacking Interaction Energies in the Benzene Dimer

A preprint describes Deep QSCI, a divide-and-conquer quantum-classical method that halves qubit needs for modelling benzene dimer pi stacking.

Added