Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
As of 13 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:2301.07730.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-13T06:32:02.005865+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-12T19:50:03.176892Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-08-12T19:50:03.801285Z
0 of 0 outbound references displayed
External citation measurements
No source-named external measurement is stored.
No outbound reference observations are available for this paper version.
Observation 49daefe9-cd6d-43a5-b41a-1ef74e9c2c89 · inbound
The Keyl-Werner algorithm is not optimal for spectrum estimation stateQIP = statePSPACE
Reference 209
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 81c89a1b-6a99-4a8d-b931-41c8930f78de · inbound
Optimal fidelity estimation when one state is pure via algorithmic Uhlmann transform stateQIP = statePSPACE
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.