Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
As of 18 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:1907.02507.
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 2026-08-18T06:34:40.430872+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-14T10:58:37.463431Z
A source-named dated measurement, never combined with another source.
Source: arxiv_reference, observed 2026-05-19T02:26:59.275857Z
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 cf61154e-6607-45a2-a38a-1542f0a46395 · inbound
On symmetry operators for the Maxwell equation on the Kerr-NUT-(A)dS spacetime Two-dimensional twistor manifolds and Teukolsky operators
Reference 12
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation fc2660a7-f768-4459-9fe6-8b42cf235008 · inbound
Graviton scattering on self-dual black holes Two-dimensional twistor manifolds and Teukolsky operators
Reference 141
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.