Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T11:04:25.593988Z
Paper Citation Record · LEDGER
As of 18 August 2026, this Paper Citation Record lists 17 of 17 outbound references and 2 inbound Pith citation observations for arXiv:1908.10022.
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, observed 2026-08-14T11:04:25.593988Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-17T06:30:58.91139+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-16T10:18:32.062602Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-08-12T22:02:14.887214Z
17 of 17 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 7a84024a-9b9c-4d1b-8dcd-a8f952e83ab4 · outbound
Lorentzian angles and trigonometry including lightlike vectors Complex actions in two-dimensional topology change
Reference 1
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c7589092-2882-46dd-b79f-c1f0da482089 · outbound
Lorentzian angles and trigonometry including lightlike vectors Sorkin, Development of Simplicial Methods for the Metrical and Electromag- netic Fields , Ph.D
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 3bd17cfc-c3ab-460f-831e-a215a0bd2f2a · outbound
Lorentzian angles and trigonometry including lightlike vectors The Time-evolution Problem in Regge Calculus
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 7db83a8d-1bda-4fbd-81e3-10d18e13de60 · outbound
Lorentzian angles and trigonometry including lightlike vectors The null-surface boundary term in the variation of the gravitational action-functional
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 4ac06db8-0305-46b5-a2a6-c15912224628 · outbound
Lorentzian angles and trigonometry including lightlike vectors Unresolved cited work
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 21b879b5-ae25-4c62-aded-7210351f1917 · outbound
Lorentzian angles and trigonometry including lightlike vectors Peyresq Physics 20: Micro and macro structure of spacetime
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 913f1491-fa89-4d2a-aee2-afcc87a0df6b · outbound
Lorentzian angles and trigonometry including lightlike vectors Mann Fest
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 5f734394-a96a-459e-a43a-3537f2c3a1a9 · outbound
Lorentzian angles and trigonometry including lightlike vectors Boundary and Corner Terms in the Action for General Relativity
Reference 8
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6a3feceb-02eb-4f81-8bf2-bebf98b02661 · outbound
Lorentzian angles and trigonometry including lightlike vectors General relativity without coordinates
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation b1382792-ebad-4f51-88ae-644edd93c11b · outbound
Lorentzian angles and trigonometry including lightlike vectors A Boundary Term for the Action in ‘Regge Calculus’
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation b83aa48e-05d0-40cf-bc55-5b159dd153f8 · outbound
Lorentzian angles and trigonometry including lightlike vectors Is the gravitational action additive?
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 8d87dca0-2b24-47de-9f30-03b3990a11df · outbound
Lorentzian angles and trigonometry including lightlike vectors Gravitational action with null boundaries
Reference 12
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c6a8ccab-2142-44ea-9721-ca9be2430ac9 · outbound
Lorentzian angles and trigonometry including lightlike vectors Semi-classical Limits of Simplicial Quantum Gravity
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation ad91d2e4-811a-4627-b2ae-4b8f4bc51de7 · outbound
Lorentzian angles and trigonometry including lightlike vectors Trigonometry in Lorentzian Geometry
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation cf63d727-5357-4461-bb9a-2e77c94855e2 · outbound
Lorentzian angles and trigonometry including lightlike vectors The Sorkin-Johnston State in a Patch of the Trousers Spacetime
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 2203ba26-d8c9-4f77-9fdf-e6143236b2a2 · outbound
Lorentzian angles and trigonometry including lightlike vectors Unresolved cited work
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation cb5d16c7-0baa-442c-a29c-4bb806b0210d · outbound
Lorentzian angles and trigonometry including lightlike vectors closely” as desired 35 Figure 9. The opening angle of a wedge with two lightlike edges: three sub-cases 36 Figure 10. Two ways to glue an “infinitesimal wedge
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 8000a4b6-4cc3-40f2-b2dd-15e0e8678312 · inbound
(2+1) Lorentzian quantum cosmology from spin-foams: opportunities and obstacles for semi-classicality Lorentzian angles and trigonometry including lightlike vectors
Reference 109
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation b6e797be-b81a-49cd-b7ee-8cbf94167a5c · inbound
Studying replica wormholes and the Page curve with simplicial quantum gravity Lorentzian angles and trigonometry including lightlike vectors
Reference 30
Source-reported events for the cited work
Unavailable: canonical work link unavailable.