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.
On H4, coarse determinant excitations and their Pauli- word resolution reach the same retained subspace with widths 7371 and 2240
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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.