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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  • Not peer reviewed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 FALQON with an XY mixer improves quantum graph colouring

Original title: Solving Graph Coloring Problems Using Feedback-Based Algorithm for Quantum Optimization

A preprint reports that adding an XY mixer to a feedback-based quantum optimisation algorithm improves graph colouring success over the standard approach.

Yuika Kawatomi et al. · Added

  • Preprint
  • Not peer reviewed

A preprint links quantum many-body chaos to a fractal operator cascade

Original title: Quantum many-body operator cascade as a route to chaos

A preprint proposes that quantum many-body chaos arises from local operators drifting toward non-local fractal structures, aiding classical simulation.

Urban Duh et al. · Added

  • Preprint
  • Not peer reviewed

Preprint proposes q-derivative framework to curb leakage in superconducting qubits

Original title: A Novel $q$-Derivative Framework with Applications to $q$-Deformed Thermodynamics and Leakage Suppression in Superconducting Qubits

A preprint outlines a new q-deformed derivative that extends DRAG-style pulse shaping to reduce leakage errors in transmon qubits.

André A. A. Marinho et al. · Added

  • Preprint
  • Not peer reviewed

A preprint links input angle distributions to barren plateaus in quantum circuits

Original title: Unflattening by Flattening — How Input Distributions Shape Output Variance in Angle-Encoded Circuits

The researchers report how the way input data is encoded as angles shapes output variance and barren plateaus in parameterized quantum circuits.

Melvin Strobl et al. · Added