Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T05:23:32.260217Z
Paper Citation Record · LEDGER
As of 16 August 2026, this Paper Citation Record lists 25 of 25 outbound references and 0 inbound Pith citation observations for arXiv:1909.01581.
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 2026-08-14T05:23:32.260217Z
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
25 of 25 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 812fa809-c957-4454-8e50-fb980d5b2366 · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable On generalised free products
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 75867336-43e7-4579-8e98-03f98a9331e5 · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Berthier, D
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 cd16f4db-cfc6-427c-b5fa-f219d7f89045 · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Dense embeddings of surface groups
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 5931b434-9a47-4671-8afd-c17b0ada60f4 · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Unresolved cited work
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 67c3e8b7-f8d6-4e7e-a4be-4e60373ed35e · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Some algebraic aspects of the center problem for ordinary differential equations
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 c6093e56-efe9-41cd-8c58-3514386d39d2 · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Subgroups of the Group of Formal Power Series with the Big Powers Condition
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 875e9e8a-a5a2-41d5-8d71-ee45b4ae181a · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable The Nottingham group
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 e996579f-ce4b-4199-9436-dd0d4add4144 · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Quelques problèmes en géométrie feuilletée pour les 60 années de l’IMPA.Bull
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 d0b0acb1-ee06-4595-a01f-b113cb110b2c · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Limit groups as limits of free groups.Israel J
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 fb387404-e6b1-4f36-b73f-3ad8e9c018ed · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Unresolved cited work
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 cb301770-bd4c-4425-be9d-2d96c04cdbf2 · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Herman and J.-C
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 e66b1922-9821-45dc-9101-07dbd3df47f7 · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Ilyashenko and A
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 bc8678a0-f179-4710-9ab8-bef43b807d8a · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable 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 2e224055-6b6e-4620-92d1-9b60207ad65e · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable 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 bcc3475b-c3fb-4365-aabf-3d32e68813db · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Unresolved cited work
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 cba38608-8319-489d-8335-6786793a0cea · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable 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 ca966d13-e2f5-4671-8502-48efec23c59a · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Mattei, J
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 ba5df766-41f4-4508-b1b2-edf38702409d · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Dynamics in one complex variable , volume 160 of Annals of Mathematics Studies
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 d59a858e-bff0-4b4d-8365-ba61d642685e · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Unresolved cited work
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 fb1c9a88-276e-44d1-b43e-382d66ba23dc · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Iteration of analytic functions
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 f092e8d8-d1b7-49f0-b51d-6a6196866310 · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Sternberg
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 528f3592-3a33-4089-90c0-b24baeb9b9bd · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Almost all finitely generated subgroups of the Nottingham group are free
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.
Observation 16aa32c2-6bf3-4f9b-a816-e54848325feb · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Unresolved cited work
Reference 23
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 dd360606-a508-4431-9326-40b3150c527f · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable Waldschmidt
Reference 24
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 a0fcdec1-8d00-4791-8529-8fc330eddb1a · outbound
Surface Groups In The Group Of Germs Of Analyticdiffeomorphisms In One Variable The group generated by x↦→ x + 1 and x↦→ xp is free
Reference 25
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.