Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T14:00:43.935514Z
Paper Citation Record · LEDGER
As of 16 August 2026, this Paper Citation Record lists 18 of 18 outbound references and 0 inbound Pith citation observations for arXiv:1908.04329.
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 2026-08-14T14:00:43.935514Z
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
18 of 18 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 2c44426c-af7f-49ac-ae4c-96bd820741e5 · outbound
Nonleaf Patterns in Trees: Protected Nodes and Fine Numbers Some bijections and identities for the Catalan and Fine numbers
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 fabcf51a-8fdf-4653-b173-03f892a16313 · outbound
Nonleaf Patterns in Trees: Protected Nodes and Fine Numbers Unresolved cited work
Reference 2
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 34e81dcc-7a62-4ec8-8c3c-2d44001cec59 · outbound
Nonleaf Patterns in Trees: Protected Nodes and Fine Numbers $k$-protected vertices in unlabeled rooted plane trees
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 f71528e2-e5ea-4b2e-a062-6d130d199936 · outbound
Nonleaf Patterns in Trees: Protected Nodes and Fine Numbers A transformation on o rdered trees
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 be084fc3-28fb-4b86-9ebf-c139c02cc1df · outbound
Nonleaf Patterns in Trees: Protected Nodes and Fine Numbers 1700 Forests
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 89154607-a947-4e8a-8e46-b80744700039 · outbound
Nonleaf Patterns in Trees: Protected Nodes and Fine Numbers Enumerations of ordered trees
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 2962866c-dc6c-4270-97b2-ee9f4f28f201 · outbound
Nonleaf Patterns in Trees: Protected Nodes and Fine Numbers Patterns in trees
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 16a5352e-2939-4de1-8d3c-3505f4faae20 · outbound
Nonleaf Patterns in Trees: Protected Nodes and Fine Numbers The Cycle Lemma and some a pplications
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 d8a38af9-18d6-4d3a-812f-ffbda924dc17 · outbound
Nonleaf Patterns in Trees: Protected Nodes and Fine Numbers More patterns in trees: U p and down, young and old, odd and even
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 0feb5cac-328d-4e44-9ad3-b79489b3c4bf · outbound
Nonleaf Patterns in Trees: Protected Nodes and Fine Numbers Dyck path enumeration
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 849c3b79-6b02-471c-876b-d9b70720380e · outbound
Nonleaf Patterns in Trees: Protected Nodes and Fine Numbers A survey of the Fine numbers
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 7898050a-14bb-47f9-a652-f98d76420f75 · outbound
Nonleaf Patterns in Trees: Protected Nodes and Fine Numbers A problem of arrange ments
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 b1e70cfa-3789-4a03-baa0-14031a6c6a04 · outbound
Nonleaf Patterns in Trees: Protected Nodes and Fine Numbers Protection number in plane trees
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 10fcbaa7-0d7f-46a8-86aa-ed8dde74f75a · outbound
Nonleaf Patterns in Trees: Protected Nodes and Fine Numbers Narayana
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 e8a44a42-79c2-4bbf-be62-3e3f311c8ef8 · outbound
Nonleaf Patterns in Trees: Protected Nodes and Fine Numbers Enumeration of plane trees by branches and end points
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 843b1108-c03c-4713-8d80-cb4ba265c53f · outbound
Nonleaf Patterns in Trees: Protected Nodes and Fine Numbers Unresolved cited work
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 9682483d-54a4-4cd3-9307-63476f7ec5a3 · outbound
Nonleaf Patterns in Trees: Protected Nodes and Fine Numbers 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 62e53930-f6db-449e-b65d-7e9b44825f83 · outbound
Nonleaf Patterns in Trees: Protected Nodes and Fine Numbers Unresolved cited work
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.
No inbound Pith citation observations are available.