Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T14:39:17.640281Z
Paper Citation Record · LEDGER
As of 16 August 2026, this Paper Citation Record lists 50 of 50 outbound references and 0 inbound Pith citation observations for arXiv:1908.03017.
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 2026-08-14T14:39:17.640281Z
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
50 of 50 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 4a736d0c-e2ef-4396-9615-67aaebe625a2 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Kato, Perturbation Theory for Linear Operators (Springer -Verlag, Berlin, 1966)
Reference 1
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ce7f5c50-ea71-48c7-8c89-c11e9a1c018c · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Messiah, Quantum Mechanics (North Holland, Amsterdam, 196 1)
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 dff56367-79ff-430d-b156-f9a9474f8a94 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Unresolved cited work
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 47eaf9df-6a67-4f63-a2b4-3865e5414319 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Unresolved cited work
Reference 4
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation a8bf7c24-29f5-452b-a3f0-7d3ef7be416f · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Unresolved cited work
Reference 5
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 863f5e15-413b-4b45-9b66-51be753857d9 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Unresolved cited work
Reference 6
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4cfb6aeb-3bb9-42bd-b728-664ff0bc648e · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Unresolved cited work
Reference 7
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f07540c9-3114-4b10-ada1-929461fcd1dc · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Mostafazadeh, Int
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 41c8ae87-2dc8-471d-b881-5b179e50c905 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Bagarello, J.-P
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 6d945d31-c6c9-4a3e-86c3-5b106d190a86 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics 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 6001c265-5e83-4263-ae87-0efe23fccc96 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Unresolved cited work
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 909ddd6a-147a-4651-ac93-7ca04bcdb399 · outbound
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 9fefab62-ae93-45c0-b9bb-2f83f0a77eb9 · outbound
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 44f7e4d2-cf3b-4176-94d2-c6538ee1aa54 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Three-Hilbert-Space Formulation of Quantum Mechanics
Reference 14
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4dbdaaaf-76e7-4ee8-9417-448e03c921fc · outbound
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 44540015-74bc-4517-92b9-61c45c2e895e · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics 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 58577e9f-15be-4aad-bdeb-a035eaba07a4 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics ˇC ´ ıˇ zek, 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 d6a29e20-bbb8-43e0-814c-373b0f76f069 · outbound
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 9a3f49c1-b7bc-4822-8952-c674281a3610 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Dieudonne, Proc
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 1fafb984-4b12-4a69-8732-316209fbe9a1 · outbound
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 7c04434d-e6f6-4b9a-89f6-0b6463ef1ce4 · outbound
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 9058797a-30a5-4f9a-8d81-bfcf97954368 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Unresolved cited work
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 1edb312a-f306-4f7e-8925-c181439fa9e8 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Conservation of pseudo-norm in PT symmetric quantum mechanics
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 736bb67d-c08b-4ea1-ab71-4a3c3b275754 · outbound
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 7ce615b6-8c74-425e-8c86-5a8e3cf9465b · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Krejˇ ciˇ r ´ ık, V
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.
Observation bf92913f-fb89-4212-a8b8-b964b1eb1148 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Semor´ adov´ a, Acta Polytechnica 57, 462 (2017)
Reference 26
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 0087f246-462e-4ddb-9288-b9abf41e40fd · outbound
Reference 27
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 fbbee6e4-07c8-4923-9aeb-9c7d1cf2cfe0 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics On the Role of the Normalization Factors $\kappa_n$ and of the Pseudo-Metric ${\cal P} \neq {\cal P}^\dagger$ in Crypto-Hermitian Quantum Models
Reference 28
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f014f8bd-5036-460e-b5f5-c42202b43181 · outbound
Reference 29
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 ffa0ffbe-202a-4091-a90a-6e0881ae56d6 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Unresolved cited work
Reference 30
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 be35b002-38b2-4063-8bd5-6b28ddd4f0f4 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Mostafazadeh, J
Reference 31
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 1022e335-3291-4be2-b819-3cbb32cb27c1 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Krejˇ ciˇ r ´ ık, J
Reference 32
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 8c1ad344-2541-4ece-926b-72a511a53d52 · outbound
Reference 33
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c3fd53dc-e8f7-4b20-a382-699e1c01ea1b · outbound
Reference 34
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 f7a3aad1-aa52-4446-8b48-4797ba489036 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Unresolved cited work
Reference 35
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 35f7e55e-2e5d-468a-be49-bc0749e9f4f9 · outbound
Reference 36
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 05f853c7-20e1-4bbe-9734-60506487f2b8 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Schr¨ odinger, Ann
Reference 37
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 e92f3898-0861-477c-b618-df99b1f661a5 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Unresolved cited work
Reference 38
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 51e67a46-c346-4f34-a49e-20701bbc4e4f · outbound
Reference 39
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 8a960def-bfd3-4b9e-bdfe-fc41d3f8dd02 · outbound
Reference 40
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 adc25482-c657-407c-96aa-05465bb3d7a5 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Moiseyev, Non-Hermitian Quantum Mechanics (Cambridge Univ ersity Press, Cambridge, 2011)
Reference 41
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 46375c83-6ba8-4c22-9e97-27d150cef04a · outbound
Reference 42
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 336f9c54-d30c-4906-bdd9-be12099f521c · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Unresolved cited work
Reference 43
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 fea4cdfc-3356-4b59-b0f7-7943b71a0a6a · outbound
Reference 44
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 c6a844e2-eb9b-4db3-8fea-354946a4fc11 · outbound
Reference 45
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 b2e8881d-ef21-4961-8fb0-809f74abc0a2 · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics IR-truncated $\mathcal{PT}-$symmetric $ix^3$ model and its asymptotic spectral scaling graph
Reference 46
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 04751a80-00c6-4573-b2f1-ca560616520d · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Bagarello, Ref
Reference 47
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 d071eec3-d9b4-4bab-938b-9e5e927037f4 · outbound
Reference 48
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 527d3f9b-c265-4d09-88d9-c51969dcaf5e · outbound
Reference 49
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 101aa8be-6092-4504-b97c-58fc629f8c1b · outbound
Theory of response to perturbations in non-Hermitian systems using five-Hilbert-space reformulation of unitary quantum mechanics Unresolved cited work
Reference 50
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.