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Paper Citation Record · LEDGER

Sharp spectral constants for scaled $q$-numerical ranges

As of 12 August 2026, this Paper Citation Record lists 13 of 13 outbound references and 0 inbound Pith citation observations for arXiv:2608.09866.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
2608.09866 v1

Coverage vector

measured 13 of 13 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-11T05:24:03.445640Z

measured 13 of 13 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-12T06:34:41.77262+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

13 of 13 outbound references displayed

  • verified exact10
  • verified fuzzy0
  • unresolved2
  • parse uncertain0
  • malformed identifier1
  • metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation d046ca7d-2524-45c2-b3f5-03027184255a · outbound

This paper cites A solution to Crouzeix's conjecture.

Sharp spectral constants for scaled $q$-numerical ranges A solution to Crouzeix's conjecture

Reference 1

Resolution
verified exact
local_arxiv, observed 2026-08-11T05:24:03.667622Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

source=pdf_text observed=2026-08-11T05:24:03.400218Z digest=sha256:446df838ec0981c818286a505015e1f2cb106a6f839da6e6e6395524aa2c40cf

Observation 768941aa-6400-43ef-8dc6-fe7c0688e1fc · outbound

This paper cites Bickel, P.

Sharp spectral constants for scaled $q$-numerical ranges Bickel, P

Reference 2

Resolution
verified exact
doi, observed 2026-08-11T05:24:03.654145Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

source=pdf_text observed=2026-08-11T05:24:03.404940Z digest=sha256:fee6ad528c75ecb21d2e7478e69b2e71f9787df2f1e7227989278f7025d18b4b

Observation fb9e0cba-cc6f-4b11-8349-ba80888aebb9 · outbound

This paper cites Crouzeix,Bounds for analytical functions of matrices, Integral Equations Operator Theory48(2004), no.

Sharp spectral constants for scaled $q$-numerical ranges Crouzeix,Bounds for analytical functions of matrices, Integral Equations Operator Theory48(2004), no

Reference 3

Resolution
verified exact
doi, observed 2026-08-11T05:24:03.643779Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

source=pdf_text observed=2026-08-11T05:24:03.408986Z digest=sha256:871858f25c6de6474bc8eece38bbe259a6151ac51b42064bc4f7447de4691353

Observation d1c768af-0f66-4144-9b46-f7ea61400bac · outbound

This paper cites Crouzeix,Numerical range and functional calculus in Hilbert space, J.

Sharp spectral constants for scaled $q$-numerical ranges Crouzeix,Numerical range and functional calculus in Hilbert space, J

Reference 4

Resolution
verified exact
doi, observed 2026-08-11T05:24:03.633809Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

source=pdf_text observed=2026-08-11T05:24:03.412586Z digest=sha256:f41f49be65d3c47ce89ea8ae718140876ba2e6ef633c27a730ba25ea95bc2860

Observation 7ef099b4-fc5f-47ab-8d00-aa7d674d02bb · outbound

This paper cites Crouzeix and C.

Sharp spectral constants for scaled $q$-numerical ranges Crouzeix and C

Reference 5

Resolution
unresolved
no resolver link, observed 2026-08-11T05:24:03.415858Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-11T05:24:03.415858Z digest=sha256:21f405db548aab032e908657c001a6e88dbadb6cf33fa06e0b97b5809ef7fcbd

Observation c8ac052e-7844-4b5b-97d9-2197a0218b68 · outbound

This paper cites $q$-numerical radius of rank-one operators and the generalized Buzano inequality.

Sharp spectral constants for scaled $q$-numerical ranges $q$-numerical radius of rank-one operators and the generalized Buzano inequality

Reference 6

Resolution
verified exact
local_arxiv, observed 2026-08-11T05:24:03.617076Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

source=pdf_text observed=2026-08-11T05:24:03.420434Z digest=sha256:fb4b9219cf07a0180b29146c2827f58f5a84207c3ac1e8e8c3558e8789c1e23a

Observation 9bbd9865-8e54-4742-b571-bd9ce32edd8a · outbound

This paper cites Greub and W.

Sharp spectral constants for scaled $q$-numerical ranges Greub and W

Reference 7

Resolution
malformed identifier
doi_truncated, observed 2026-08-11T05:24:03.603053Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

source=pdf_text observed=2026-08-11T05:24:03.424518Z digest=sha256:ae2d592f0bd0bde2afe6cf2553dd78163d756fd49b5f0cdbd883ba2563e37e37

Observation c22df384-2716-405c-9f3b-919dfc7ebdf0 · outbound

This paper cites Jin,The numerical range is a2-spectral set, Preprints (2026), preprint 202607.1919, version 4.

Sharp spectral constants for scaled $q$-numerical ranges Jin,The numerical range is a2-spectral set, Preprints (2026), preprint 202607.1919, version 4

Reference 8

Resolution
unresolved
no resolver link, observed 2026-08-11T05:24:03.428387Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-11T05:24:03.428387Z digest=sha256:424bc6cef6b9b3fbd9e32520e5ace892f50847f850fa1ac49d12ed9d0c371e9c

Observation a5016f32-3666-4dba-b475-3fa51ca917a8 · outbound

This paper cites an unresolved cited work.

Sharp spectral constants for scaled $q$-numerical ranges Unresolved cited work

Reference 9

Resolution
verified exact
doi, observed 2026-08-11T05:24:03.591458Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

source=pdf_text observed=2026-08-11T05:24:03.431805Z digest=sha256:8f1949bbddf6c5620d0f048ab297a6472499bc8111e6b20e1cefd9467cc544cb

Observation 2ed91c05-259a-414d-9a8c-456e91bd2e6d · outbound

This paper cites Marcus and P.

Sharp spectral constants for scaled $q$-numerical ranges Marcus and P

Reference 10

Resolution
verified exact
doi, observed 2026-08-11T05:24:03.579762Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

source=pdf_text observed=2026-08-11T05:24:03.435021Z digest=sha256:719806711653612025508edba3098fcf5747e583a4914f0e2faeb81d512dfa7a

Observation 9f99c122-c268-4f39-81be-dd7e78027438 · outbound

This paper cites O’Loughlin and J.

Sharp spectral constants for scaled $q$-numerical ranges O’Loughlin and J

Reference 11

Resolution
verified exact
doi, observed 2026-08-11T05:24:03.567448Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

source=pdf_text observed=2026-08-11T05:24:03.438566Z digest=sha256:8f7ff9441b9b7186001edd56d0707e2b4d2016c0bbf40a405c9df8b99a378079

Observation 3338659d-13a3-423c-bb31-b8b3662367a4 · outbound

This paper cites Ransford and F.

Sharp spectral constants for scaled $q$-numerical ranges Ransford and F

Reference 12

Resolution
verified exact
doi, observed 2026-08-11T05:24:03.487385Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

source=pdf_text observed=2026-08-11T05:24:03.442445Z digest=sha256:24fcd234892f1ae22c8ac8ec6c36345b4b213f92f0b5c83afd68d756d241c6d8

Observation 4fb51ca3-b29c-48cd-8f33-8aabe6324b0d · outbound

This paper cites Tsing,The constrained bilinear form and theC-numerical range, Linear Algebra Appl.56(1984), 195–206.

Sharp spectral constants for scaled $q$-numerical ranges Tsing,The constrained bilinear form and theC-numerical range, Linear Algebra Appl.56(1984), 195–206

Reference 13

Resolution
verified exact
doi, observed 2026-08-11T05:24:03.471643Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

source=pdf_text observed=2026-08-11T05:24:03.445640Z digest=sha256:10f091940af94444bf44630c211b0eeb9817fed194c8e7a67c783c183c286c91

Pith citing papers

No inbound Pith citation observations are available.