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 3 inbound Pith citation observations for arXiv:2112.05669.
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 2026-08-12T06:34:41.77262+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-11T23:12:48.395547Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-08-08T13:26:59.306185Z
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 548222f5-f5b1-4d22-880a-4aa97572bc27 · inbound
Quasi-normal mode expansions of black hole perturbations: a hyperboloidal Keldysh's approach Existence of Zero-damped Quasinormal Frequencies for Nearly Extremal Black Holes
Reference 27
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d7697113-649f-4a4d-b4b4-481d85ab2580 · inbound
Scalar Instabilities Inside The Extremal Dyonic Kerr-Sen Black Hole: Novel Exact Solutions and Chronology Protection Conjecture Existence of Zero-damped Quasinormal Frequencies for Nearly Extremal Black Holes
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.
Observation 5b49a342-560a-4553-91c5-a8e7cf4a7535 · inbound
Charged black holes embedded in matter with anisotropic pressure: Horizon Structure and Quasinormal Mode Spectra Existence of Zero-damped Quasinormal Frequencies for Nearly Extremal Black Holes
Reference 105
Source-reported events for the cited work
Unavailable: canonical work link unavailable.