Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T15:52:02.659100Z
Paper Citation Record · LEDGER
As of 16 August 2026, this Paper Citation Record lists 9 of 9 outbound references and 0 inbound Pith citation observations for arXiv:1908.00749.
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 2026-08-14T15:52:02.659100Z
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
9 of 9 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 544d7b8e-050f-4f5e-8954-1b53d7722077 · outbound
The best extending cover-preserving geometric lattices of semimodular lattices Birkhoff, Lattice Theory, vol.XXV, 3rd ed., American Mathemat ical Society Col- loquium Publications, Providence, RI, 1973
Reference 1
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 1a1f34fc-2a12-4b4d-9888-8f2f2e04a327 · outbound
The best extending cover-preserving geometric lattices of semimodular lattices 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 8425e3fb-a3f3-4426-9638-3f8c02490e35 · outbound
The best extending cover-preserving geometric lattices of semimodular lattices Crawley, R
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 ba49db8f-3d62-4f86-bf35-a00f8bc064c1 · outbound
The best extending cover-preserving geometric lattices of semimodular lattices Cz´ edli, E
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 d579a0e5-0246-44ec-9f43-c61534951583 · outbound
The best extending cover-preserving geometric lattices of semimodular lattices Gr¨ atzer, E
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 c023eef3-cd12-4a40-bf32-bb27b28bb07f · outbound
The best extending cover-preserving geometric lattices of semimodular lattices Gr¨ atzer, F
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 4159a674-9b55-48c9-8b83-acc026fb6601 · outbound
The best extending cover-preserving geometric lattices of semimodular lattices Unresolved cited work
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 8c99650e-8e6f-41f0-9471-a08c2e232d62 · outbound
The best extending cover-preserving geometric lattices of semimodular lattices Pudl´ ak, J
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 9c8188e8-ca1a-4488-9561-7294ced24b2e · outbound
The best extending cover-preserving geometric lattices of semimodular lattices Stern, Semimodular lattice: theory and applications, Cambridg e University Press, 1999
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.
No inbound Pith citation observations are available.