Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-07T11:48:04.793679Z
Paper Citation Record · LEDGER
On the original Ulam's problem and its quantization
As of 8 August 2026, this Paper Citation Record lists 57 of 57 outbound references and 0 inbound Pith citation observations for arXiv:2506.01684.
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 2026-08-07T06:34:17.273281+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
Reference resolution
57 of 57 outbound references displayed
- verified exact0
- verified fuzzy32
- unresolved25
- parse uncertain0
- malformed identifier0
- metadata mismatch0
External citation measurements
No source-named external measurement is stored.
Outbound references
Observation cbca8d82-23d6-4e68-b108-2a5b1a6014fc · outbound
This paper cites Arnold and V.
On the original Ulam's problem and its quantization Arnold and V
Reference 1
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:08.830904Z
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 793042eb-d401-4c47-ae3b-737711c21b55 · outbound
This paper cites Aspelmeyer, T.
On the original Ulam's problem and its quantization Aspelmeyer, T
Reference 2
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:08.766887Z
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 b49fbd53-b8dd-405e-b4d6-b3cef42ee701 · outbound
This paper cites Atkinson.
On the original Ulam's problem and its quantization Atkinson
Reference 3
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:08.689962Z
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 678e8f6f-9723-46c3-b20d-fd8d6d4b01a5 · outbound
This paper cites Bambusi, B.
On the original Ulam's problem and its quantization Bambusi, B
Reference 4
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:08.649186Z
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 829b7e4e-12bf-4438-b9aa-7fbd2c9d4084 · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 5
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:08.607565Z
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 4128f826-48c8-47e3-9e93-99c6d4dd7c1c · outbound
This paper cites Stability theory of differential equations.
On the original Ulam's problem and its quantization Stability theory of differential equations
Reference 6
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:08.563099Z
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 0b79bba1-9253-4b40-b5d0-42c2686e7848 · outbound
This paper cites Bourgain.
On the original Ulam's problem and its quantization Bourgain
Reference 7
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:08.525221Z
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 3e78c976-26d7-4845-b56c-7383712732ca · outbound
This paper cites Burq and M.
On the original Ulam's problem and its quantization Burq and M
Reference 8
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:08.480855Z
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 003551aa-bb59-4bca-b7fe-70d8604762ba · outbound
This paper cites Casati, B.
On the original Ulam's problem and its quantization Casati, B
Reference 9
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:08.429872Z
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 f2627015-2571-4417-a426-579fe487502e · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 10
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:08.381124Z
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 af87fcfd-a339-4d76-b7f5-e1402b007284 · outbound
This paper cites de Simoi.
On the original Ulam's problem and its quantization de Simoi
Reference 11
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:08.324849Z
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 bb24f6c6-23ef-41bb-84d8-1f5c1fef1f6a · outbound
This paper cites de Simoi and D.
On the original Ulam's problem and its quantization de Simoi and D
Reference 12
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:08.269446Z
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 e4c72880-a0e8-40b2-9a2a-dee8fced25ba · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 13
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:08.236423Z
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 ac6fa44a-6542-4bf6-9624-384a627529d2 · outbound
This paper cites Dolgopyat.
On the original Ulam's problem and its quantization Dolgopyat
Reference 14
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:08.199049Z
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 3d0df3ad-bbfa-40e6-84e2-78dd2c795244 · outbound
This paper cites Dolgopyat.
On the original Ulam's problem and its quantization Dolgopyat
Reference 15
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:08.164073Z
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 b3887c4c-c1b1-4af0-8dcd-e16ff2624b35 · outbound
This paper cites Dolgopyat.
On the original Ulam's problem and its quantization Dolgopyat
Reference 16
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:08.107246Z
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 4e12d270-ab12-454f-b52f-d2757025f541 · outbound
This paper cites Faure, S.
On the original Ulam's problem and its quantization Faure, S
Reference 17
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:08.037569Z
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 27781bd7-9ec2-473a-96b7-b52b9ac8da81 · outbound
This paper cites Ferenczi and P.
On the original Ulam's problem and its quantization Ferenczi and P
Reference 18
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:07.969278Z
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 ae6ab420-8354-456c-a542-febb4f635f1d · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 19
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:07.899876Z
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 d5bcf2bd-d7be-4d3e-b07d-a19261bafd54 · outbound
This paper cites Fishman, D.
On the original Ulam's problem and its quantization Fishman, D
Reference 20
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:07.823189Z
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 40ce4438-e0b6-438b-a55a-d359a3d0e852 · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 21
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:07.757117Z
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 573339d6-8a33-48f5-a31f-6e0e97195c9e · outbound
This paper cites Gelfreich, V.
On the original Ulam's problem and its quantization Gelfreich, V
Reference 22
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:07.696639Z
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 0eb3641e-7384-4801-9d44-cfdd5a6c4686 · outbound
This paper cites Gelfreich and D.
On the original Ulam's problem and its quantization Gelfreich and D
Reference 23
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:07.644984Z
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 2ef9f534-5659-41fa-9465-f8ac51736f03 · outbound
This paper cites Gelfreich and D.
On the original Ulam's problem and its quantization Gelfreich and D
Reference 24
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:07.573125Z
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 747606e6-35e6-415a-8be4-f5339f37a246 · outbound
This paper cites Graffi and K.
On the original Ulam's problem and its quantization Graffi and K
Reference 25
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:07.502255Z
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 a27e85dc-bc4c-44ab-9408-a9d5e1a45cc9 · outbound
This paper cites Grubelnik, M.
On the original Ulam's problem and its quantization Grubelnik, M
Reference 26
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:07.449197Z
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 0f791b5b-444b-4b2d-ae01-edacafea3fd4 · outbound
This paper cites Haller, M.
On the original Ulam's problem and its quantization Haller, M
Reference 27
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:07.369916Z
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 a76d162b-3de3-4bd9-a208-732e86192a62 · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 28
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:07.296055Z
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 8d4af99e-4b65-42c8-bc4d-f77d3b0b22d6 · outbound
This paper cites Hassell and S.
On the original Ulam's problem and its quantization Hassell and S
Reference 29
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:07.225630Z
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 b2be1547-f69d-4d28-8de1-c55fc56afc68 · outbound
This paper cites H¨ ormander.The analysis of linear partial differential operators.
On the original Ulam's problem and its quantization H¨ ormander.The analysis of linear partial differential operators
Reference 30
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:07.161301Z
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 9eea3093-6839-4dd1-aa9d-8291e468a157 · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 31
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:07.122770Z
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 57dd7c6f-c690-4cab-a29a-16358dbeceeb · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 32
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:07.039633Z
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 15b8fd6c-0a02-4023-a436-2bed7d1e05cd · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 33
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:06.405305Z
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 95d325e1-d440-4866-8132-337dca65adfb · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 34
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:06.340350Z
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 002a8618-c0fd-40cb-9ad7-a8ec158e11da · outbound
This paper cites Karagulyan and J.
On the original Ulam's problem and its quantization Karagulyan and J
Reference 35
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:06.259001Z
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 3301486f-95bf-4f46-a006-ad521de46549 · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 36
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:06.185903Z
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 cdf0f84d-10fd-4b4e-a995-fe566587a408 · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 37
- Resolution
- unresolved
- no resolver link, observed 2026-08-07T11:48:04.518584Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c06b9a1d-1edc-42db-9bc2-122e5a0fb5b6 · outbound
This paper cites Kunze and R.
On the original Ulam's problem and its quantization Kunze and R
Reference 38
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:06.096025Z
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 34a91029-fa1a-42eb-93c8-249756b7fd8c · outbound
This paper cites Laederich and M.
On the original Ulam's problem and its quantization Laederich and M
Reference 39
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:06.016766Z
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 6017d971-1390-4353-a1af-26af1d5e7163 · outbound
This paper cites Leibfried, R.
On the original Ulam's problem and its quantization Leibfried, R
Reference 40
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:05.943476Z
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 332a333e-8cda-474a-92a4-f61ec8106a1f · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 41
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:05.876354Z
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 6706f794-afe3-41fd-8136-60d5cadacfdd · outbound
This paper cites Lindenstrauss.
On the original Ulam's problem and its quantization Lindenstrauss
Reference 42
- Resolution
- unresolved
- no resolver link, observed 2026-08-07T11:48:04.614334Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 170587e0-4522-48a8-9942-c9b982facd36 · outbound
This paper cites Liu and X.
On the original Ulam's problem and its quantization Liu and X
Reference 43
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:05.790121Z
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 3df72cd0-ae49-4487-bd1c-e46965a543c8 · outbound
This paper cites Masuda and K.
On the original Ulam's problem and its quantization Masuda and K
Reference 44
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:05.710215Z
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 c332d00b-220e-4be4-b545-4fe4edebbf54 · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 45
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:05.640253Z
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 3248dd5b-c94b-453f-9771-6c3146300c92 · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 46
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:05.567555Z
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 413d3c4a-ca1e-4662-93ae-78ee31ec6295 · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 47
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:05.494212Z
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 a488eae6-d613-452e-8782-a8c4c8a7f43b · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 48
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:05.416453Z
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 f27a4388-2ce7-4d56-811d-17408dbc5a45 · outbound
This paper cites Rudnick and P.
On the original Ulam's problem and its quantization Rudnick and P
Reference 49
- Resolution
- unresolved
- no resolver link, observed 2026-08-07T11:48:04.703251Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation cbefb072-e0dc-4eb9-bae8-41bc3a2a2f30 · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 50
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:05.301273Z
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 09c85fb9-6381-4862-bcbd-9c813d46f85a · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 51
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:05.224936Z
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 66b2bf18-3992-48c8-95fe-d74d81204e66 · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 52
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:05.156572Z
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 1e666942-81e0-446d-889c-b4f3ef6a3e5e · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 53
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:05.088589Z
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 e9df9d4a-0a73-4d5c-8893-04bc19691563 · outbound
This paper cites Zharnitsky.
On the original Ulam's problem and its quantization Zharnitsky
Reference 54
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:05.008566Z
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 3e1a87e1-46d0-4b1e-ae49-c041f6a0490e · outbound
This paper cites Zharnitsky.
On the original Ulam's problem and its quantization Zharnitsky
Reference 55
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-07T11:48:04.938286Z
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 64945aa3-f34a-4ec7-8826-5bae559735f5 · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 56
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:04.876520Z
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 088a8352-897e-4aa9-baee-6dee2fa1f67c · outbound
This paper cites an unresolved cited work.
On the original Ulam's problem and its quantization Unresolved cited work
Reference 57
- Resolution
- unresolved
- raw_fallback, observed 2026-08-07T11:48:04.847599Z
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.
Pith citing papers
No inbound Pith citation observations are available.