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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.

pith.paper-citation-record.v1
2412.16096 v1

Coverage vector

measured 54 of 54 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-11T10:58:21.285224Z

measured 54 of 54 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-22T06:32:14.747728+00:00

measured 0 of 0 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links

measured 0 of 1 external citation measurements

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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  • 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
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.

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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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No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.

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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
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.

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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
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.

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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
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.

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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
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Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-11T10:58:21.114912Z digest=sha256:d4ecfa7142401f45aeaa13d229b77ef5f4b3c0226a53aa7786ac1ea97a139d46

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 2026-08-22T06:32:14.747728+00:00.

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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
raw_fallback, observed 2026-08-11T10:58:21.798188Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.

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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
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Unavailable: canonical work link unavailable.

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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
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Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-11T10:58:21.131225Z digest=sha256:21b589dddf5236d96a6081f3b68bfcb8b99748979244313e96e0c2d220be6a57

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
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.

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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
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.

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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

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no resolver link, observed 2026-08-11T10:58:21.142741Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-11T10:58:21.142741Z digest=sha256:729de76fe10d7c36201a5e0cfb422f81bb99e3a4b33c602aedc83892a103c273

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
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.

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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
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.

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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
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.

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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
raw_fallback, observed 2026-08-11T10:58:21.714638Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.

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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
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.

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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 2026-08-22T06:32:14.747728+00:00.

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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 2026-08-22T06:32:14.747728+00:00.

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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 2026-08-22T06:32:14.747728+00:00.

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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 2026-08-22T06:32:14.747728+00:00.

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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 2026-08-22T06:32:14.747728+00:00.

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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 2026-08-22T06:32:14.747728+00:00.

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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 2026-08-22T06:32:14.747728+00:00.

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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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.184068Z digest=sha256:837dc4eca7ae7fd63db7707addf6d9e05a3e6d077e5aa1cbf146fcd22ebc17be

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.187277Z digest=sha256:33d7074b36c44e86c96bcbd805c55808eda63fdf28966824f982286a56fb3fb6

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 2026-08-22T06:32:14.747728+00:00.

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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
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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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.194000Z digest=sha256:7604f2a01556b90fc5def0970f9bcba70687f3b81c27e25ebea37d14963a0b25

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.197793Z digest=sha256:b5e1eb96a71e350743eefb1c89a356568eac33d0dbdd4cbc68f069edad6a6bb0

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.201040Z digest=sha256:9f3d7f69e91615a9d0c396e13c9a245ab5b1b6b09930756b752b601bd7e5e32c

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.204248Z digest=sha256:8b736e32b0158dbfdeff91e5ef2227740aa5e617cd429b3a626faa768df56f21

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.207457Z digest=sha256:54ee1b762e026f7f6ce489c338ca5f5ed73114d82d9f5f8e004b042f3382c0d7

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.210841Z digest=sha256:ddacae6bc63cf72d3ed2e703510a409daa9479674b7bff9fbf5dcce8703e36f9

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.214255Z digest=sha256:0b7d10a8b80942e2a6c708ef266a8fb0b14768345e0d8cd48ce4df898ad48bcf

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.218094Z digest=sha256:2b576ec31511e70561721e656c51e79ea8da529d81c0c6845a7cd47a4404d3c0

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.

source=pdf_text observed=2026-08-11T10:58:21.221993Z digest=sha256:817299a6b5e4d6f7cf420bc2de2ec0eaeb11990a7671ca793a9327a4d9a43053

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.225780Z digest=sha256:0228510801dce82dddf7b2e3c8df2da341bf6ad68acb8f9af65b42f5b76aeb0a

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.229367Z digest=sha256:5d84c45425edaf9675621f67437e342f857ac94838d0afee9ed5512d183a992c

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.233187Z digest=sha256:2bd0cfdacabf79077b6acebe1650bd72ca67e45451265606b333361f62c10acf

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.236738Z digest=sha256:1a7413125819c23447f8cfa3880405dfe2ed9f99ed6dcfb30f67aa036f5f33d1

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.240224Z digest=sha256:3b529d6f74f23a6782c35f61d6cbfd16d0d8cc055beb048c8489bf0146184f2f

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.245021Z digest=sha256:42dce2881e5e3bbf096dbad48b62213b069d448fa6184de9f9b94cbca10b6236

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.249219Z digest=sha256:abb764f252121abd542486d92de617ca3cdf746440c9b596935228560cb0be77

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.252734Z digest=sha256:342e35f927cdba1425f32eed36fc815f4ddb264ad4c8faba1554389e79ddc76a

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.256259Z digest=sha256:d7640e5f5c0136e14ea87a4eeec1bd0c19a8573e01a70bec3f6abce371d16fb6

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.259740Z digest=sha256:b01f69f357ccfb029ea8387ceeb7c7b08b2c6450da0e0f99e8d81f95cd088322

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.

source=pdf_text observed=2026-08-11T10:58:21.263361Z digest=sha256:a7ec11d681d3eb28f00d858a03192ebfbf93098ddaf869b51c74608b3559fe41

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.266938Z digest=sha256:5ec8fc25d5074f84e0c667e2d640b84b6bf92b644d1a4f9d2197d8c12aa39d70

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.270468Z digest=sha256:49b3f21dfbb18f9455be5bb5832b54ca9833dcdca3624cbc4039be454f563208

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.274043Z digest=sha256:302476c73ef84da11b66f1d4f9de2c228a83bbccf190dad7594ee70ce64b4538

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.277680Z digest=sha256:9e06f3f0f99e573afae4bdb6d67f311584c38d4e12ae336f3033770cf1a041c6

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.281521Z digest=sha256:0c524c09d711f429dad0d4d9a6a24a0e1c502682e8d095e73fff62edc15ebb05

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 2026-08-22T06:32:14.747728+00:00.

source=pdf_text observed=2026-08-11T10:58:21.285224Z digest=sha256:5e68479bf1e60c5c3f6a4a150fb56f087735269fef2e034bfff868764a2adc10

Pith citing papers

No inbound Pith citation observations are available.