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Paper Citation Record · LEDGER

Commensurating HNN-extensions: non-positive curvature and biautomaticity

As of 16 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:1907.03515.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
1907.03515 v4

Coverage vector

measured 0 of 0 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links

measured 2 of 2 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-16T06:30:59.297886+00:00

measured 2 of 2 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-14T11:37:03.660678Z

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: pith, observed 2026-08-14T11:15:46.402918Z

Reference resolution

0 of 0 outbound references displayed

  • verified exact0
  • verified fuzzy0
  • unresolved0
  • parse uncertain0
  • malformed identifier0
  • metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

No outbound reference observations are available for this paper version.

Pith citing papers

Observation 30a1ec7c-edeb-476f-be13-812b5d8dae80 · inbound

Groups of cohomological codimension one cites this paper.

Groups of cohomological codimension one Commensurating HNN-extensions: non-positive curvature and biautomaticity

Reference 32

Resolution
unresolved
no resolver link, observed 2026-08-14T11:37:03.660678Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=arxiv_source observed=2026-08-14T11:37:03.660678Z digest=sha256:17cdb62230eed222276873238b33240d9250cb55ad92344f3d35fedac852c319

Observation be1ab784-6629-48f7-9257-eb56a5f417ed · inbound

Erratum and addenda to "Isometry groups of non-positively curved spaces: discrete subgroups" cites this paper.

Erratum and addenda to "Isometry groups of non-positively curved spaces: discrete subgroups" Commensurating HNN-extensions: non-positive curvature and biautomaticity

Reference 11

Resolution
verified exact
local_arxiv, observed 2026-08-14T11:15:46.411170Z

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.

source=arxiv_source observed=2026-08-14T11:15:46.357649Z digest=sha256:e1eef4f29986539bcceb6e48b05c205768d6bb15d231d72e83b996cc71e5a890