unitaryfund / mitiq

Mitiq is an open source toolkit for implementing error mitigation techniques on most current intermediate-scale quantum computers.
https://mitiq.readthedocs.io
GNU General Public License v3.0
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New Technique: Partitioned Quantum Subspace Expansion #2378

Open purva-thakre opened 1 month ago

purva-thakre commented 1 month ago

Introduced in https://arxiv.org/abs/2403.08868

This technique is a generalization of QSE in the Krylov basis. A large QSE instance is partitioned into smaller QSE partitions with iterative conditioning.