Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
As of 7 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:1208.4847.
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 2026-08-07T06:34:17.273281+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-06T12:24:49.843306Z
A source-named dated measurement, never combined with another source.
Source: cited_works
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 cfa37d76-3153-4814-8c2f-9ee0fe12d847 · inbound
Infrared singularities and the collinear limits of multi-leg scattering amplitudes Structure of Infrared Singularities of Gauge-Theory Amplitudes at Three and Four Loops
Reference 16
Source-reported events for the cited work
Unavailable: canonical work link unavailable.