DA-CASE reconstructs subspace, Hamiltonian, and observable matrices from one cached Pauli expectation bank, reducing retained measurement width on H4 from 7371 to 2240 words without changing the solved subspace.
This removes separately prepared basis states but can enlarge the Pauli universe
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DA-CASE: reusable measurements for adaptive quantum subspaces
DA-CASE reconstructs subspace, Hamiltonian, and observable matrices from one cached Pauli expectation bank, reducing retained measurement width on H4 from 7371 to 2240 words without changing the solved subspace.