Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-11T10:58:21.285224Z
Paper Citation Record · LEDGER
The Friedrichs extension of a class of discrete symplectic systems
As of 23 August 2026, this Paper Citation Record lists 54 of 54 outbound references and 0 inbound Pith citation observations for arXiv:2412.16096.
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 2026-08-23T06:30:58.430688+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
Reference resolution
54 of 54 outbound references displayed
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- verified fuzzy35
- unresolved18
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External citation measurements
No source-named external measurement is stored.
Outbound references
Observation a9d2a3af-c1b6-4c03-b393-d6a1f339978a · outbound
This paper cites Special Edition I.
The Friedrichs extension of a class of discrete symplectic systems Special Edition I
Reference 1
- Resolution
- verified fuzzy
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Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 0637edfb-2dc7-4dfc-b752-9c0abefabed2 · outbound
This paper cites an unresolved cited work.
The Friedrichs extension of a class of discrete symplectic systems Unresolved cited work
Reference 2
- Resolution
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Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 07152946-f4ea-42b9-adbf-c3a668897a90 · outbound
This paper cites an unresolved cited work.
The Friedrichs extension of a class of discrete symplectic systems Unresolved cited work
Reference 3
- Resolution
- unresolved
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No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation ce03885d-0ace-46ef-b9a0-2314d297caaa · outbound
This paper cites an unresolved cited work.
The Friedrichs extension of a class of discrete symplectic systems Unresolved cited work
Reference 4
- Resolution
- unresolved
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Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 2ebd69f9-4d9b-4154-81ed-b4241daca767 · outbound
This paper cites an unresolved cited work.
The Friedrichs extension of a class of discrete symplectic systems Unresolved cited work
Reference 5
- Resolution
- unresolved
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Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation a45ba377-43de-40f6-ae8d-b473a6bfa467 · outbound
This paper cites Behrndt, S.
The Friedrichs extension of a class of discrete symplectic systems Behrndt, S
Reference 6
- Resolution
- unresolved
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Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 23cd4d3a-f5d0-434c-9b4c-7c241ed07c33 · outbound
This paper cites Benammar and W.
The Friedrichs extension of a class of discrete symplectic systems Benammar and W
Reference 7
- Resolution
- verified fuzzy
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Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation cd348c97-a034-4a62-8cc3-7c58cb000952 · outbound
This paper cites an unresolved cited work.
The Friedrichs extension of a class of discrete symplectic systems Unresolved cited work
Reference 8
- Resolution
- unresolved
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Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation fcad6ba3-9e49-4928-839e-78b98714a9c3 · outbound
This paper cites an unresolved cited work.
The Friedrichs extension of a class of discrete symplectic systems Unresolved cited work
Reference 9
- Resolution
- unresolved
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Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 02e1ab97-1b8a-44c0-81b0-9f38573a11df · outbound
This paper cites an unresolved cited work.
The Friedrichs extension of a class of discrete symplectic systems Unresolved cited work
Reference 10
- Resolution
- unresolved
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Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 409ea80e-4c36-43ea-acf7-e5150d32efff · outbound
This paper cites an unresolved cited work.
The Friedrichs extension of a class of discrete symplectic systems Unresolved cited work
Reference 11
- Resolution
- unresolved
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Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 3a0e528b-b0d8-404f-82ff-644c3778ccc8 · outbound
This paper cites Proceedings of the Sixth Colloquium on the Qualitative T heory of Differential Equations (Szeged, Hungary, 1999).
The Friedrichs extension of a class of discrete symplectic systems Proceedings of the Sixth Colloquium on the Qualitative T heory of Differential Equations (Szeged, Hungary, 1999)
Reference 12
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.763877Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation f4fe6cdb-1e33-47dd-a441-b18a4ae2a7d4 · outbound
This paper cites Došlý, J.
The Friedrichs extension of a class of discrete symplectic systems Došlý, J
Reference 13
- Resolution
- unresolved
- no resolver link, observed 2026-08-11T10:58:21.142741Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0abc130d-7148-48d1-8e87-4d37859abadd · outbound
This paper cites Došlý and P.
The Friedrichs extension of a class of discrete symplectic systems Došlý and P
Reference 14
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.746742Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 16f023f2-eccc-4337-9f98-a8dff4673b0a · outbound
This paper cites Freudenthal, Über die Friedrichssche F ortsetzung halbbeschränkter Her mitescher Opera- toren (in German), Proc.
The Friedrichs extension of a class of discrete symplectic systems Freudenthal, Über die Friedrichssche F ortsetzung halbbeschränkter Her mitescher Opera- toren (in German), Proc
Reference 15
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.735133Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 53d42384-d902-4c34-b0c1-3cd1b2e618eb · outbound
This paper cites an unresolved cited work.
The Friedrichs extension of a class of discrete symplectic systems Unresolved cited work
Reference 16
- Resolution
- unresolved
- raw_fallback, observed 2026-08-11T10:58:21.724493Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation e23c5142-e43c-4211-a0c2-1f96b16bb564 · outbound
This paper cites an unresolved cited work.
The Friedrichs extension of a class of discrete symplectic systems Unresolved cited work
Reference 17
- Resolution
- unresolved
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Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation b3d3bce6-1f7e-4aff-8a50-34a1ca54ea73 · outbound
This paper cites Gesztesy and Z.
The Friedrichs extension of a class of discrete symplectic systems Gesztesy and Z
Reference 18
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.704489Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 34b6e71b-6c10-4c6f-9178-c22cc1e4dc25 · outbound
This paper cites Contributions to Management Science, Mathematics and M odellin:. Essays in Honour of Professor Ilkka Virtanen.
The Friedrichs extension of a class of discrete symplectic systems Contributions to Management Science, Mathematics and M odellin:. Essays in Honour of Professor Ilkka Virtanen
Reference 19
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.694034Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation f3b5ed83-9390-405d-ab89-20c9adf8c55a · outbound
This paper cites Hassi, M.
The Friedrichs extension of a class of discrete symplectic systems Hassi, M
Reference 20
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.683455Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation c1174dd5-68bd-488c-88c1-061bb6993108 · outbound
This paper cites Hassi, A.
The Friedrichs extension of a class of discrete symplectic systems Hassi, A
Reference 21
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.672784Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 9cc49654-35f6-4082-bf93-f5bdf5a028f3 · outbound
This paper cites Kalf, A characterization of the Friedrichs extension of Sturm–Li ouville operators, J.
The Friedrichs extension of a class of discrete symplectic systems Kalf, A characterization of the Friedrichs extension of Sturm–Li ouville operators, J
Reference 22
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.661070Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 7dcfe721-5f4f-45d8-8bfb-862f0310bbc7 · outbound
This paper cites an unresolved cited work.
The Friedrichs extension of a class of discrete symplectic systems Unresolved cited work
Reference 23
- Resolution
- unresolved
- raw_fallback, observed 2026-08-11T10:58:21.649552Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation f1978dc8-f25c-43f7-bac7-2584af7ac512 · outbound
This paper cites Marletta and A.
The Friedrichs extension of a class of discrete symplectic systems Marletta and A
Reference 24
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.639483Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 72287992-b07a-4646-96c7-bbf4e7c28895 · outbound
This paper cites an unresolved cited work.
The Friedrichs extension of a class of discrete symplectic systems Unresolved cited work
Reference 25
- Resolution
- unresolved
- raw_fallback, observed 2026-08-11T10:58:21.628730Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 750696da-d3c9-4443-a4ec-4ead089ddb7a · outbound
This paper cites Niessen and A.
The Friedrichs extension of a class of discrete symplectic systems Niessen and A
Reference 26
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.617692Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation f37534bb-9f7c-423a-8ee7-11bee0fa93de · outbound
This paper cites Niessen and A.
The Friedrichs extension of a class of discrete symplectic systems Niessen and A
Reference 27
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.607073Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 2d8ef84b-fe42-4497-83dd-e784fc590ba5 · outbound
This paper cites Rellich, Halbbeschränkte gewöhnliche Differentialoperatoren zweiter Ordnung (in German), Math.
The Friedrichs extension of a class of discrete symplectic systems Rellich, Halbbeschränkte gewöhnliche Differentialoperatoren zweiter Ordnung (in German), Math
Reference 28
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.596567Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 71b871d3-28f2-48fa-9e50-e12940b2e3b1 · outbound
This paper cites Friedrichs extensions for a class of singular discrete linear Hamiltonian systems.
The Friedrichs extension of a class of discrete symplectic systems Friedrichs extensions for a class of singular discrete linear Hamiltonian systems
Reference 29
- Resolution
- verified exact
- local_arxiv, observed 2026-08-11T10:58:21.322948Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation e60e4bda-6bcd-40c6-91e0-d8fb2e9105a1 · outbound
This paper cites Contributions to Mathematics and Statistics: Essays i n honor of Seppo Hassi.
The Friedrichs extension of a class of discrete symplectic systems Contributions to Mathematics and Statistics: Essays i n honor of Seppo Hassi
Reference 30
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.585466Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 025b6427-5799-4173-8331-723fdcba6dd4 · outbound
This paper cites Šepitka and R.
The Friedrichs extension of a class of discrete symplectic systems Šepitka and R
Reference 31
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.574798Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 77162c93-e003-4ebc-88bf-9a6cbea626bc · outbound
This paper cites Šepitka and R.
The Friedrichs extension of a class of discrete symplectic systems Šepitka and R
Reference 32
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.563301Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation c06d5572-1486-42ee-b78e-1906d0c91910 · outbound
This paper cites Equadiff 12.
The Friedrichs extension of a class of discrete symplectic systems Equadiff 12
Reference 33
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.552495Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 86be1dda-797c-4f2f-b21e-aacc120b6957 · outbound
This paper cites Proceedings of The 9’th Colloquium on the Qualitative T heory of Differential Equations.
The Friedrichs extension of a class of discrete symplectic systems Proceedings of The 9’th Colloquium on the Qualitative T heory of Differential Equations
Reference 34
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.541916Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation fd3c6a8a-0f1b-4fb2-96d5-726c072f496a · outbound
This paper cites Šimon Hilscher and P.
The Friedrichs extension of a class of discrete symplectic systems Šimon Hilscher and P
Reference 35
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.530815Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 1f0a25e5-8aea-4909-8ed9-7ae811df624d · outbound
This paper cites Theory and Applications of Difference Equations and Discrete Dynamical Systems.
The Friedrichs extension of a class of discrete symplectic systems Theory and Applications of Difference Equations and Discrete Dynamical Systems
Reference 36
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.520103Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 10f89d0b-fec4-4b0c-afb8-133670359089 · outbound
This paper cites Šimon Hilscher and P.
The Friedrichs extension of a class of discrete symplectic systems Šimon Hilscher and P
Reference 37
- Resolution
- unresolved
- no resolver link, observed 2026-08-11T10:58:21.221993Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6e454ccf-1368-4926-b71f-89e68221aaec · outbound
This paper cites Šimon Hilscher and P.
The Friedrichs extension of a class of discrete symplectic systems Šimon Hilscher and P
Reference 38
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.503974Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation ad450f9a-ba26-44b4-a181-8fdc1c329132 · outbound
This paper cites Stempak, Spectral properties of ordinary differential operators admitting special decomposi- tions, Commun.
The Friedrichs extension of a class of discrete symplectic systems Stempak, Spectral properties of ordinary differential operators admitting special decomposi- tions, Commun
Reference 39
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.493754Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation e774c120-325d-4943-a573-130dcb5f61e9 · outbound
This paper cites Stempak, Spectral properties of differential-difference symmetri zed operators , Mediterr.
The Friedrichs extension of a class of discrete symplectic systems Stempak, Spectral properties of differential-difference symmetri zed operators , Mediterr
Reference 40
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.483128Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 07157c6f-9b13-44c1-bd4b-01a62132cae6 · outbound
This paper cites an unresolved cited work.
The Friedrichs extension of a class of discrete symplectic systems Unresolved cited work
Reference 41
- Resolution
- unresolved
- raw_fallback, observed 2026-08-11T10:58:21.472994Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 7d0fb42d-9f18-4f39-8efb-6da030dc2a83 · outbound
This paper cites von Neumann, Allgemeine Eigenwerttheorie Hermitescher Funktionalope ratoren (in Ger- man), Math.
The Friedrichs extension of a class of discrete symplectic systems von Neumann, Allgemeine Eigenwerttheorie Hermitescher Funktionalope ratoren (in Ger- man), Math
Reference 42
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.461820Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation c1633866-10f0-4e62-bf79-ca42d964a5a0 · outbound
This paper cites Šimon Hilscher and P.
The Friedrichs extension of a class of discrete symplectic systems Šimon Hilscher and P
Reference 43
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.450348Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 03cb04c1-7aa1-46b7-95d9-e168f1f01737 · outbound
This paper cites Y ang and H.
The Friedrichs extension of a class of discrete symplectic systems Y ang and H
Reference 44
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.439042Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation d395b95b-e4a8-4886-a7f4-eab5b4100f07 · outbound
This paper cites an unresolved cited work.
The Friedrichs extension of a class of discrete symplectic systems Unresolved cited work
Reference 45
- Resolution
- unresolved
- raw_fallback, observed 2026-08-11T10:58:21.428183Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 235c0d8f-dd1a-4590-ba1f-5854be4a02b9 · outbound
This paper cites Dynamic Equations on Time Scales and Applications.
The Friedrichs extension of a class of discrete symplectic systems Dynamic Equations on Time Scales and Applications
Reference 46
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.418693Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 3f79d082-e1fd-4fd8-87f5-c241bb077d86 · outbound
This paper cites Zemánek, Non-limit-circle and limit-point criteria for symplectic and linear Hamiltonian sys- tems, Math.
The Friedrichs extension of a class of discrete symplectic systems Zemánek, Non-limit-circle and limit-point criteria for symplectic and linear Hamiltonian sys- tems, Math
Reference 47
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.408585Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation d4331f8d-d7d4-44c4-86cf-aa7ab8e1f7ca · outbound
This paper cites Zemánek and S.
The Friedrichs extension of a class of discrete symplectic systems Zemánek and S
Reference 48
- Resolution
- unresolved
- no resolver link, observed 2026-08-11T10:58:21.263361Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 12ec85e9-7070-4162-9e49-aae7cb857660 · outbound
This paper cites Zemánek and S.
The Friedrichs extension of a class of discrete symplectic systems Zemánek and S
Reference 49
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.390214Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 3f040d59-f34d-4492-b181-780295e597ff · outbound
This paper cites Zemánek and P.
The Friedrichs extension of a class of discrete symplectic systems Zemánek and P
Reference 50
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.379554Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 72e916f9-1446-45a6-931b-87232bc147ba · outbound
This paper cites Zhang, H.
The Friedrichs extension of a class of discrete symplectic systems Zhang, H
Reference 51
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.368303Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation b5f9220c-365c-4169-b59c-65ae1d0fca41 · outbound
This paper cites Zheng and Q.
The Friedrichs extension of a class of discrete symplectic systems Zheng and Q
Reference 52
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.357856Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 0a88c780-26ef-49ae-b22f-efce77c589ba · outbound
This paper cites Zheng, J.
The Friedrichs extension of a class of discrete symplectic systems Zheng, J
Reference 53
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.345635Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 804aa1dc-3289-4715-9748-01d2cc2e082a · outbound
This paper cites Zheng, J.
The Friedrichs extension of a class of discrete symplectic systems Zheng, J
Reference 54
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-11T10:58:21.334430Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Pith citing papers
No inbound Pith citation observations are available.