Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-05T10:49:37.077410Z
Paper Citation Record · LEDGER
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups
As of 18 August 2026, this Paper Citation Record lists 39 of 39 outbound references and 1 inbound Pith citation observation for arXiv:2509.03742.
A citation records a reference. It does not transfer a finding from one paper to another.
Coverage vector
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-17T06:30:58.91139+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-01T03:19:44.976537Z
A source-named dated measurement, never combined with another source.
Source: cited_works
Reference resolution
39 of 39 outbound references displayed
- verified exact7
- verified fuzzy24
- unresolved6
- parse uncertain0
- malformed identifier2
- metadata mismatch0
External citation measurements
No source-named external measurement is stored.
Outbound references
Observation 8e181e57-2d0c-438b-98d7-69bc50ba87e6 · outbound
This paper cites The Birman-Craggs-Johnson homomorphism and abelian cycles in the Torelli group.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups The Birman-Craggs-Johnson homomorphism and abelian cycles in the Torelli group
Reference 1
- Resolution
- verified exact
- local_arxiv, observed 2026-08-05T10:49:37.232560Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 20f35a59-c690-4648-ac27-b3b40dea2e22 · outbound
This paper cites Brown, Cohomology of groups, Graduate Texts in Mathematics, 87, Springer-Verlag, New York,.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Brown, Cohomology of groups, Graduate Texts in Mathematics, 87, Springer-Verlag, New York,
Reference 2
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.649954Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 8c069324-24ed-4340-96fb-bb9f78f287ba · outbound
This paper cites Cohen & J.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Cohen & J
Reference 3
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.639361Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation a8e29573-aaf7-4bd3-91ea-792968f4cbb2 · outbound
This paper cites Dimca & S.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Dimca & S
Reference 4
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.630388Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 3c491c63-da8e-44e8-8388-844964a96dfb · outbound
This paper cites The handlebody group and the images of the second Johnson homomorphism.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups The handlebody group and the images of the second Johnson homomorphism
Reference 5
- Resolution
- verified exact
- local_arxiv, observed 2026-08-05T10:49:37.217503Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation d37c44d0-2d5c-4bfc-8c47-82be9e83be25 · outbound
This paper cites Farb, Automorphisms of Fg which act trivially on homology, in preparation.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Farb, Automorphisms of Fg which act trivially on homology, in preparation
Reference 6
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.619631Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 5117087b-5176-4fa1-a84f-3e4a6f3b5cf3 · outbound
This paper cites Farb & D.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Farb & D
Reference 7
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.607416Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 5783ae66-c24d-47d8-ad1c-1d2b4badb988 · outbound
This paper cites Fulton & J.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Fulton & J
Reference 8
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.597446Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 4195f471-3b68-41d7-abdb-887e0dda804a · outbound
This paper cites an unresolved cited work.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Unresolved cited work
Reference 9
- Resolution
- unresolved
- raw_fallback, observed 2026-08-05T10:49:37.587954Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 7606374c-8df6-4704-a3c6-cfbc509eea97 · outbound
This paper cites an unresolved cited work.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Unresolved cited work
Reference 10
- Resolution
- unresolved
- raw_fallback, observed 2026-08-05T10:49:37.578430Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation df02100a-19f7-4b00-9dea-7808843cdad3 · outbound
This paper cites Johnson, An abelian quotient of the mapping class group Ig, Math.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Johnson, An abelian quotient of the mapping class group Ig, Math
Reference 11
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.568533Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation a76e6179-ee21-4c6c-8a42-d6f42e52e325 · outbound
This paper cites Johnson, Conjugacy relations in subgroups of the mapping class group and a group-theoretic description of the Rochlin invariant, Math.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Johnson, Conjugacy relations in subgroups of the mapping class group and a group-theoretic description of the Rochlin invariant, Math
Reference 12
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.556663Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 52d3905d-8fd3-48c4-a3bf-e4f71fbd885f · outbound
This paper cites Johnson, The structure of the Torelli group.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Johnson, The structure of the Torelli group
Reference 13
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.544565Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 44d2de2f-7840-4557-8d60-8fc9d5cb24ce · outbound
This paper cites Johnson, The structure of the Torelli group.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Johnson, The structure of the Torelli group
Reference 14
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.532523Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 6d3a0bee-250b-41b8-a300-4e41a2eb7551 · outbound
This paper cites Johnson, The structure of the Torelli group.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Johnson, The structure of the Torelli group
Reference 15
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.522344Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation b24fe19e-d8c1-4297-a7f5-929c6fdc41e5 · outbound
This paper cites Cohomological Aspects of Magnus Expansions.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Cohomological Aspects of Magnus Expansions
Reference 16
- Resolution
- verified exact
- local_arxiv, observed 2026-08-05T10:49:37.202239Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 4f125a4a-dca0-4abf-8618-8fd788847f3a · outbound
This paper cites Habegger & C.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Habegger & C
Reference 17
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.512335Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation eac6aec7-65ae-4a54-a5da-fc02c8d5b92d · outbound
This paper cites Infinitesimal presentations of the Torelli groups.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Infinitesimal presentations of the Torelli groups
Reference 18
- Resolution
- unresolved
- no resolver link, observed 2026-08-05T10:49:35.076868Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation fa122879-8156-4839-a10f-47cbd8b49ec7 · outbound
This paper cites Hensel, A primer on handlebody groups, Handbook of group actions (Vol.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Hensel, A primer on handlebody groups, Handbook of group actions (Vol
Reference 19
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.502667Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 8c23843e-505b-41c1-89ff-785f1647e82e · outbound
This paper cites Hirose, The action of the handlebody group on the first homology group of the surface, Kyungpook Math.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Hirose, The action of the handlebody group on the first homology group of the surface, Kyungpook Math
Reference 20
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.492856Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 95c134ef-4c74-47fd-bc36-7efa1e43d6bf · outbound
This paper cites van Leeuwen, A.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups van Leeuwen, A
Reference 21
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.482510Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation b9d36250-5b65-441b-a68c-c58438e8b9f7 · outbound
This paper cites Luft, Actions of the homeotopy group of an orientable 3-dimensional handlebody, Math.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Luft, Actions of the homeotopy group of an orientable 3-dimensional handlebody, Math
Reference 22
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.471572Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 82af3048-4648-4d59-b186-c49698f711d9 · outbound
This paper cites Magnus, ¨Uber n-dimensionale Gittertransformationen, Acta Math.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Magnus, ¨Uber n-dimensionale Gittertransformationen, Acta Math
Reference 23
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.460535Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation fe12cd1f-7ec3-418c-b786-47de5a4ed864 · outbound
This paper cites Morita, Abelian quotients of subgroups of the mapping class group of surfaces, Duke Math.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Morita, Abelian quotients of subgroups of the mapping class group of surfaces, Duke Math
Reference 24
- Resolution
- malformed identifier
- raw_fallback, observed 2026-08-05T10:49:37.450924Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 98b0cadb-0126-4d7f-b462-9df6bbbbf94a · outbound
This paper cites Morita, Casson’s invariant for homology 3-spheres and characteristic classes of surface bundles I, Topology, 28 (1989), 305-323.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Morita, Casson’s invariant for homology 3-spheres and characteristic classes of surface bundles I, Topology, 28 (1989), 305-323
Reference 25
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.440808Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 3f4d47ea-cdfd-49d9-9dba-ac45f2061350 · outbound
This paper cites Morita, Characteristic classes of surface bundles, Invent.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Morita, Characteristic classes of surface bundles, Invent
Reference 26
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.430014Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 6f7b0c4c-74c1-420d-9e3a-864ba5f16339 · outbound
This paper cites Morita, The extension of Johnson’s homomorphism from the Torelli group to the mapping class group, Invent.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Morita, The extension of Johnson’s homomorphism from the Torelli group to the mapping class group, Invent
Reference 27
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.418889Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation d46aa7f7-5b74-4bbb-a605-45d005a6bb47 · outbound
This paper cites an unresolved cited work.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Unresolved cited work
Reference 28
- Resolution
- unresolved
- raw_fallback, observed 2026-08-05T10:49:37.407678Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 66c3a174-5566-4c28-9f99-cd5f5ed8d12e · outbound
This paper cites A small normal generating set for the handlebody subgroup of the Torelli group.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups A small normal generating set for the handlebody subgroup of the Torelli group
Reference 29
- Resolution
- unresolved
- no resolver link, observed 2026-08-05T10:49:35.803286Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 535420a3-0bb7-4afa-b30e-668c8ec0e6b5 · outbound
This paper cites The Johnson homomorphism and the second cohomology of IA_n.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups The Johnson homomorphism and the second cohomology of IA_n
Reference 30
- Resolution
- verified exact
- local_arxiv, observed 2026-08-05T10:49:37.169566Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation f8d3d1c4-8981-48b6-a5a4-f13fef4cd59d · outbound
This paper cites The Johnson homomorphism and its kernel.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups The Johnson homomorphism and its kernel
Reference 31
- Resolution
- unresolved
- no resolver link, observed 2026-08-05T10:49:35.893746Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 79ac4c90-ed5c-4f60-8bed-5fac1c60dc79 · outbound
This paper cites Lagrangian mapping class groups from a group homological point of view.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Lagrangian mapping class groups from a group homological point of view
Reference 32
- Resolution
- verified exact
- local_arxiv, observed 2026-08-05T10:49:37.144382Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 248932f1-36ae-4159-b152-0bf3dc029603 · outbound
This paper cites Sakasai, The Johnson homomorphism and the third rational cohomology group of the Torelli group, Topology Appl., 148 (2005), 83-111.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Sakasai, The Johnson homomorphism and the third rational cohomology group of the Torelli group, Topology Appl., 148 (2005), 83-111
Reference 33
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.286478Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 9d422372-af1b-4a7f-8149-e19ab6836af7 · outbound
This paper cites The second Johnson homomorphism and the second rational cohomology of the Johnson kernel.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups The second Johnson homomorphism and the second rational cohomology of the Johnson kernel
Reference 34
- Resolution
- verified exact
- local_arxiv, observed 2026-08-05T10:49:37.130079Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 3e3128b2-2fa1-4c0c-8ecc-84920a2215cc · outbound
This paper cites A survey of the Johnson homomorphisms of the automorphism groups of free groups and related topics.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups A survey of the Johnson homomorphisms of the automorphism groups of free groups and related topics
Reference 35
- Resolution
- verified exact
- local_arxiv, observed 2026-08-05T10:49:37.113315Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 95225a66-92c1-4df3-a42d-e2faf3c6a9c6 · outbound
This paper cites Serre, Lie algebras and Lie groups, Lectures given at Harvard University, Vol.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Serre, Lie algebras and Lie groups, Lectures given at Harvard University, Vol
Reference 36
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.275928Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 8119b621-8596-483d-8214-df0a7101bafc · outbound
This paper cites Stallings, Homology and central series of groups, J.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Stallings, Homology and central series of groups, J
Reference 37
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.265978Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 4d22235a-9ada-4174-909c-602db23490b1 · outbound
This paper cites Sullivan, On the intersection ring of compact three manifolds, Topology, 14 (1975), 275-277.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Sullivan, On the intersection ring of compact three manifolds, Topology, 14 (1975), 275-277
Reference 38
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-05T10:49:37.254769Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 3ee74b31-b340-41db-99fe-8e2ecdeedbf0 · outbound
This paper cites Suzuki, On homeomorphisms of a 3-dimensional handlebody, Can.
Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups Suzuki, On homeomorphisms of a 3-dimensional handlebody, Can
Reference 39
- Resolution
- malformed identifier
- raw_fallback, observed 2026-08-05T10:49:37.243472Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Pith citing papers
Observation 9ea78e9f-c9f7-4143-8d6a-f4bb60e157ba · inbound
The Birman--Craggs--Johnson homomorphism and the handlebody Torelli group cites this paper.
The Birman--Craggs--Johnson homomorphism and the handlebody Torelli group Johnson homomorphisms and the second rational cohomology of handlebody Torelli groups
Reference 6
- Resolution
- unresolved
- no resolver link, observed 2026-08-01T03:19:44.976537Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.