Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
Local strong Birkhoff conjecture and local spectral rigidity of almost every ellipse
As of 19 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:2111.12171.
A citation records a reference. It does not transfer a finding from one paper to another.
Coverage vector
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-19T06:32:44.657259+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-10T20:25:34.107564Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-08-10T20:25:34.155770Z
Reference resolution
0 of 0 outbound references displayed
- verified exact0
- verified fuzzy0
- unresolved0
- parse uncertain0
- malformed identifier0
- metadata mismatch0
External citation measurements
No source-named external measurement is stored.
Outbound references
No outbound reference observations are available for this paper version.
Pith citing papers
Observation 4d5adf7d-d612-4504-92e0-84fec75c55f3 · inbound
Local rigidity for symplectic billiards cites this paper.
Local rigidity for symplectic billiards Local strong Birkhoff conjecture and local spectral rigidity of almost every ellipse
Reference 16
- Resolution
- verified exact
- local_arxiv, observed 2026-08-10T20:25:34.162995Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.
Observation 62210aad-f7a6-414c-a7c7-eb1606d5be58 · inbound
On complex algebraic caustics in planar and projective billiards cites this paper.
On complex algebraic caustics in planar and projective billiards Local strong Birkhoff conjecture and local spectral rigidity of almost every ellipse
Reference 25
- Resolution
- unresolved
- no resolver link, observed 2026-08-04T17:00:43.999825Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.