2716 — Phase-Sensitive Correlation Gram Recovers Cancellation
Forming before taking absolute values preserves source-derived phase cancellation. A uniform Gershgorin bound on its diagonal energies and residual column correlations certifies the Schur gap. This exactly recovers signed Hadamard cancellation lost by every entrywise-positive compiler. Diagonal column energy alone fails when columns pile up coherently.
- Packet:
research/kitaev/phase-sensitive-correlation-gram-recovers-cancellation.md - Checker:
research/kitaev/checkers/check_phase_sensitive_correlation_gram.py - Results:
research/kitaev/results/phase-sensitive-correlation-gram.json - Sequence:
seqclaim-84c4aa80a17bd3b032ce63f5 - Epistemic graph:
ev-000000004140-3d5e25e4-ed92-4c8c-ba6c-a5da9d6b2b77
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