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Slater","submitted_at":"2013-03-05T18:20:14Z","abstract_excerpt":"We consider a pair of one-parameter (alpha) families of generalized two-qubit determinantal Hilbert-Schmidt probability distributions, p_{alpha}(|rho^{PT}|) and q_{alpha}(|rho|), where rho is a 4 x 4 density matrix, rho^{PT}, its partial transpose, with |rho^{PT}| \\in [-1/16,1/256] and |rho| \\in [0, 1/256]. The Dyson-index-like (random matrix) parameter alpha is 1/2 for the 9-dimensional generic two-rebit systems, 1 for the 15-dimensional generic two-qubit systems,... Numerical (moment-based probability-distribution-reconstruction) analyses suggest the conjecture that the Fisher information--a"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1303.1125","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-03-05T18:20:14Z","cross_cats_sorted":["math-ph","math.MP","stat.CO"],"title_canon_sha256":"72a1a6bfd805c41c31d73e9cc626ce53e397ab58dabca75d9953d38e260be659","abstract_canon_sha256":"5dc52712de338804db590449bb4013ecc6d975046fc3ee2cc292da86f1351fcf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:26:42.497968Z","signature_b64":"QkilAGqFFalGG5+eSXJnyi/Nw55yaVabkn2Z0MX6Jrijt4oTYockWequ0KWfnDP9Y7yz3seT6/fpwV2AKN0yCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b0189d7d86d5cdd2a0f5076ad73ebe2171b3839fc1ab7b6f44dc1c4ff9ad8fc6","last_reissued_at":"2026-05-18T03:26:42.497457Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:26:42.497457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Two-Qubit Rational-Valued Entanglement-Boundary Probability Densities and a Fisher Information Equality Conjecture","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP","stat.CO"],"primary_cat":"quant-ph","authors_text":"Paul B. 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