Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-07T12:49:41.509144Z
Paper Citation Record · LEDGER
As of 7 August 2026, this Paper Citation Record lists 60 of 60 outbound references and 0 inbound Pith citation observations for arXiv:2505.23991.
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 2026-08-07T12:49:41.509144Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-07T06:34:17.273281+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
60 of 60 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 60943ea2-e962-4d99-9559-14ba7cec2688 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Arnold, Small denominators and problems of stabili ty of motion in classical and celestial mechanics
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 1c39db12-f603-4bef-9063-79ee0ecf11cf · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Bakrani, J.S.W
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 6a3f40a6-52d9-4c32-b80b-0912bcaafe96 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Batemann, A
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation d636d9c7-0a45-43d7-afc3-9a4aef079ff8 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Belyakov, L.Yu
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 590c69fe-2128-4f19-a101-57fbf4d4bd07 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Bernard, V
Reference 5
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 555e071d-1c13-494d-8628-ea9cc9ddfdd2 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Broer, H
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 9a2d2ca4-071c-4467-9aae-03d40a6e1984 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Chow, Ch
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation c7141ed2-c762-41f4-b4d4-437185d25337 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Unresolved cited work
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation e18d0f75-7569-41cb-88c9-647b66304aa2 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Cushman, L.M
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation b0bfa769-bb9b-4dfe-927e-f1f3ac25ea9a · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Memoirs of the American Mathematical Soci ety, vol
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation ab281666-5a34-40ea-9259-7b376cdd31c6 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Deprit, J
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 57e82c1b-5a87-49c2-b3d8-9e40b1c8fd4b · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Devaney, Homoclinic orbits to hyperbolic equilib ria, Annals of New York Acad
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation a7c7fc3e-39f4-4938-abb1-f9672cad3a25 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Devaney, Homoclinic orbits in Hamiltonian system s, J
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 9d4e7b68-6619-4471-81a4-3cb738fe8341 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Bifurcation Theory and Applications
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation cd4431ec-de44-4938-89d2-1d70d471efb3 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Eleonsky, V.G
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 5e62396d-e1bf-4a60-8afd-a51ffa9ed637 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Galin, Versal deformations of linear Hamiltonian systems, American Mathematical Society Translations, Series 2, 1982, 12-31
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 66f6f5e6-578b-4953-9361-d2bcbb576566 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Garnier R, Sur une classe de systemes differentiels ab eliens deduits de theorie des equations lineaires, Rend
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 87ad7316-ae55-4275-85e1-508899c20096 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Gelfreich, D
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation b8d6ff1a-f08e-477e-b149-f54faeabbb28 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Glebsky, L.M
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 90a2cc25-e3cc-4c3c-8512-2803d6f99e0f · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Gonchenko, S.V
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 6b846b1a-ef80-41a6-aa6b-c3d376580bac · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Grotta Ragazzo, Nonintegrability of some Hamiltoni an systems, scattering and an- alytic continuation, Comm
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 6e60de40-2ef0-4fe0-b079-34bb452b307a · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Grotta Ragazzo, Irregular Dynamics and Homoclinic O rbits to Hamiltonian Saddle Centers, Comm
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 1408cc5b-7e42-416d-87fd-c0a864b6240d · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Han ßmann, I
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation cfaaf262-95bc-4b1a-a0fe-033c5a8cc395 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Han ßmann, Local and Semi-Local Bifurcations in Hamiltonian Dyn amical Systems- Results and Examples, LNM, vol
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 5d42d00b-d0e3-4d1b-b38b-93ef2938355b · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Han βmann, J.-C
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 1fe833f7-0478-41ef-843d-73fa0c4de6e6 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Homburg, B
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation cb35d7e0-7b75-4a9c-8d0c-fce06f69e9e3 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Hoveijn, Versal deformations and normal forms for re versible and hamiltonian linear systems, J
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 23d0c1f5-37d8-42c9-9bba-60cf43be86d3 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Jahnke, F
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation ecb84ce5-77d0-4b4e-9b96-5a92cbe242f8 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Khazin, E.E
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation a969ef61-acd8-463d-b24a-00341f469782 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Burke, E
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 3c4d302c-8c3c-428e-9210-5addb7d250ea · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Kocak, Normal Forms and Versa1 Deformations of Linea r Hamiltonian Systems, J
Reference 31
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation a6c32b58-4280-4411-ad8e-ac1572d98fb4 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Yu., Lerman L
Reference 32
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 38294b05-f795-444c-93a0-ce9d43a8a184 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Families of transverse Poincar´ e homoclinic orbits in 2N- dimensional Hamiltonian systems close to the system with a l oop to a saddle-center, Int
Reference 33
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 26998186-21e6-45b2-ac3e-20089fb4fb6f · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Kudryavtseva, L.M
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation e4d4f190-8d95-47a2-ba92-a8fd5300cff7 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Kulagin, L.M
Reference 35
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 0aa7c040-db7c-471f-b584-96962afb4002 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Kulagin, L.M
Reference 36
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 4da625a4-2d22-4dfd-80d9-78dba783e2d2 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Lakshmanan, R
Reference 37
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 8fd20dde-96fd-46ee-9027-75a5fb22d5ce · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Lakshmanan, R
Reference 38
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 1a0603a3-8bd1-4b5f-8ac5-352db010aa57 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Unresolved cited work
Reference 39
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation a038ed43-a325-414f-9899-3c009b536e7b · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Meth- ods of Qualitative Theory of Diff. Equat
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 605cae4b-3fbc-40f4-8660-4248da892568 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Complex dynamics and bifurcations in Hami ltonian systems having the transversal homoclinic orbit to a saddle-focus, Chaos: Int erdisc
Reference 41
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation f83240db-cba6-4675-bae9-dcd3889e258e · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Lerman, Dynamical phenomena near a saddle-focus c onnection in a Hamiltonian system, J
Reference 42
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation a6aab228-23e6-45dc-b851-7e5d6d4ec531 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Lerman, Ya.L
Reference 43
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 66e81c17-8b21-450c-a2c5-955cabffd545 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Marsden, A
Reference 44
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 6518dcb8-8dec-41ff-9815-da4d70b96077 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability van der Meer
Reference 45
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation cb630a2f-61c0-44a9-acd3-d0d570e6f1fb · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Meyer, D
Reference 46
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 9f12bbf5-695a-4054-9e78-31904a0faacd · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Mielke, P
Reference 47
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 71cfb626-7244-4cc0-95c2-e214b7f4f7f9 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Morales-Ruiz, C
Reference 48
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation efffae12-c261-4bcf-811b-96097ede1976 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Morales-Ruiz
Reference 49
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 18b49dc3-36d0-4b82-8ce1-3323c3a4daea · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Morales-Ruiz, J.M
Reference 50
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 5914c324-b3d3-4417-a657-c30b62f1c74b · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Unresolved cited work
Reference 51
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 5a62145e-479e-419a-b0c8-231eace9734b · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Perelomov
Reference 52
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 2e4cdb91-8264-43b4-b34e-0b1eb5c56190 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Shilnikov, D.V
Reference 53
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation babf8f94-8fcb-443f-9847-5595904ea841 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Sanders, Are higher order resonances really interes ting?, Celestial Mech
Reference 54
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation af8924b9-825e-4510-b1b8-739969e9969d · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Smale, Topology and Mechanics
Reference 55
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 2683d023-bb7a-4d75-9148-4157a7a80490 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Sokol’sky, On the stability of an autonomous Hamil tonian system with two degrees of freedom in the case of equal frequencies, J
Reference 56
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation c1ad63ea-a8b1-4d8b-adea-03dd409708c6 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Yanderbauwhede, B
Reference 57
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 19007d58-c0cd-4939-8999-cee7077f0a28 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Yagasaki, Horseshoes in Two-Degree-of-Freedom Ham iltonian Systems with Saddle- Centers, Arch
Reference 58
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation ad63dccf-188c-4ec4-99a8-31f5a3e5e0c0 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Yoshida, A criterion for the non existence of an addit ional integral in Hamiltonian systems with a homogeneous potential, Physica D 29 (1987), 1 28–142
Reference 59
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 93188519-3a0b-4010-87fb-2073e0223d30 · outbound
Double Hamiltonian Hopf Bifurcation: normalization and normal form non-integrability Ziglin, Branching of solutions and nonexistence o f first integrals in Hamiltonian mechanics
Reference 60
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
No inbound Pith citation observations are available.