Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T13:38:30.279497Z
Paper Citation Record · LEDGER
As of 16 August 2026, this Paper Citation Record lists 22 of 22 outbound references and 0 inbound Pith citation observations for arXiv:1908.04902.
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 2026-08-14T13:38:30.279497Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-16T06:30:59.297886+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links
A source-named dated measurement, never combined with another source.
Source: cited_works
22 of 22 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation f0604f10-5d4a-43f6-afe5-fa8bf67f47f3 · outbound
Planar graphs without normally adjacent short cycles Unresolved cited work
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation a9abeff4-52f2-4293-96a7-f2ade82b4b7c · outbound
Planar graphs without normally adjacent short cycles Unresolved cited work
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 288bf00a-81f1-47ca-9fd2-b96814976a0b · outbound
Planar graphs without normally adjacent short cycles Dvořák, B
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation b3ed1308-9785-4502-a4cc-329193b7c206 · outbound
Planar graphs without normally adjacent short cycles Dvořák, B
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 0c075984-8f76-46b7-b84c-42cb62644d37 · outbound
Planar graphs without normally adjacent short cycles Dvořák and L
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 6444bdeb-6a53-4115-89a4-c2ee0ff52005 · outbound
Planar graphs without normally adjacent short cycles Grötzsch, Zur Theorie der diskreten Gebilde
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation a8be44fd-6ca6-4ada-aeb0-a9417e901e00 · outbound
Planar graphs without normally adjacent short cycles Kawarabayashi and C
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation f5f6f115-7551-46c3-9182-45c372c8318e · outbound
Planar graphs without normally adjacent short cycles Kim and K
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation a32e34ca-5dc8-4ec3-b35e-c266bae92d44 · outbound
Planar graphs without normally adjacent short cycles DP-4-coloring of planar graphs with some restrictions on cycles
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation f57ea3f9-8053-4a00-be9b-da3f2f5d1780 · outbound
Planar graphs without normally adjacent short cycles Variable degeneracy on toroidal graphs
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation e3e78009-72ff-42b0-8901-8dac59351c4a · outbound
Planar graphs without normally adjacent short cycles Unresolved cited work
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation b5c52a3d-cdc3-4f4d-b134-363dc6bc178a · outbound
Planar graphs without normally adjacent short cycles Unresolved cited work
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 7131be3e-b661-4aae-856b-110711d23f8e · outbound
Planar graphs without normally adjacent short cycles Unresolved cited work
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 5f987cb4-e7e7-440e-99ac-7806c85d9049 · outbound
Planar graphs without normally adjacent short cycles Unresolved cited work
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 3f5346a6-5571-4097-a833-b232b7cbe25f · outbound
Planar graphs without normally adjacent short cycles Liu and G
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 79d5014b-52e1-4277-8bb4-797a68ff350a · outbound
Planar graphs without normally adjacent short cycles Cover and variable degeneracy
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation c08936f7-faa3-488b-b80b-50343d3c4299 · outbound
Planar graphs without normally adjacent short cycles Unresolved cited work
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 24fb743b-ec7e-40e4-927d-9c42a2762344 · outbound
Planar graphs without normally adjacent short cycles Thomassen, Every planar graph is5-choosable, J
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation eefb66fa-d860-466b-8d57-9c5550cccc23 · outbound
Planar graphs without normally adjacent short cycles Thomassen,3-list-coloring planar graphs of girth5, J
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 25551104-2770-42fd-8eac-48bd9ac272a3 · outbound
Planar graphs without normally adjacent short cycles Wang and M
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation a9f1102e-c014-4d3b-b2fe-5929d32a6f99 · outbound
Planar graphs without normally adjacent short cycles Wang and M
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation c886a4da-036b-460c-8665-ca2be2f5a6f8 · outbound
Planar graphs without normally adjacent short cycles Yin and G
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
No inbound Pith citation observations are available.