qubithubprojected-quantum-kernel

Projects quantum states to a finite-dimensional classical vector of expectation values instead of computing the full fidelity kernel. Uses an IQP (Instantaneous Quantum Polynomial) feature map with random Pauli or computational basis projections. More robust to noise and exponential concentration than full fidelity kernels.

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Framework: PennyLane
Qubits: 4
Depth: 10
Gate set: H, RZ, CX
Licence: Not specified
Version: v1
Updated: 3 days ago
Last run: 3 months ago

5 of 7 runs

Status	Backend	Shots	Wall time
Completed	Simulator default.qubit	1024	27.0 s
Completed	Simulator default.qubit	1024	31.5 s
Completed	Simulator qiskit_aer	1024	26.7 s
Completed	Simulator qiskit_aer	1024	15.9 s
Completed	Simulator qiskit_aer	1024	16.4 s

All 7 runs

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Suggested citation

@software{qubithub_projectedquantumkernel_2026,
  author = {QubitHub Circuits},
  title = {Projected Quantum Kernel},
  year = {2026},
  version = {v1},
  url = {https://qubithub.co/qubithub/projected-quantum-kernel},
}

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Runs

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Suggested citation