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Paper Citation Record · LEDGER

Improved local spectral gap thresholds for lattices of finite dimension

As of 16 August 2026, this Paper Citation Record lists 27 of 27 outbound references and 1 inbound Pith citation observation for arXiv:1909.01516.

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

pith.paper-citation-record.v1
1909.01516 v1

Coverage vector

measured 27 of 27 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-14T05:29:21.509485Z

measured 28 of 28 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-16T06:30:59.297886+00:00

measured 1 of 1 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-05-23T18:00:24.865241Z

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: arxiv_reference, observed 2026-05-23T18:03:18.252741Z

Reference resolution

27 of 27 outbound references displayed

  • verified exact2
  • verified fuzzy16
  • unresolved9
  • parse uncertain0
  • malformed identifier0
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External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 3b4afcba-ee72-4ea0-bda7-e4d4b30238e7 · outbound

This paper cites Entanglement subvolume law for 2D frustration-free spin systems.

Improved local spectral gap thresholds for lattices of finite dimension Entanglement subvolume law for 2D frustration-free spin systems

Reference 1

Resolution
verified exact
local_arxiv, observed 2026-08-14T05:29:21.808247Z

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.

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Observation 3798a121-483d-4710-987d-b361db040820 · outbound

This paper cites The detectability lemma and quantum gap amplification.

Improved local spectral gap thresholds for lattices of finite dimension The detectability lemma and quantum gap amplification

Reference 2

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verified fuzzy
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

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Observation 8b3be8ab-1e63-4b37-8f3f-4fd02f84bf90 · outbound

This paper cites Simple proof of the detectability lemma and spectral gap amplification.

Improved local spectral gap thresholds for lattices of finite dimension Simple proof of the detectability lemma and spectral gap amplification

Reference 3

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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.

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Observation 044ea66a-9315-4c87-995e-d0114e5349b0 · outbound

This paper cites An area law and sub-exponential algorithm for 1D systems.

Improved local spectral gap thresholds for lattices of finite dimension An area law and sub-exponential algorithm for 1D systems

Reference 4

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Source-reported events for the cited work

Unavailable: canonical work link unavailable.

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Observation fefda5ca-bbf4-4898-95c5-fa711fe9c0ca · outbound

This paper cites An improved 1d area law for frustration-free systems.

Improved local spectral gap thresholds for lattices of finite dimension An improved 1d area law for frustration-free systems

Reference 5

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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.

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Observation fa35af03-b036-4447-8350-390df4532153 · outbound

This paper cites A class of two-dimensional AKLT models with a gap.

Improved local spectral gap thresholds for lattices of finite dimension A class of two-dimensional AKLT models with a gap

Reference 6

Resolution
unresolved
no resolver link, observed 2026-08-14T05:29:21.373089Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

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Observation cc86607c-c405-4213-8266-833c8c8947dd · outbound

This paper cites Undecidability of the Spectral Gap in One Dimension.

Improved local spectral gap thresholds for lattices of finite dimension Undecidability of the Spectral Gap in One Dimension

Reference 7

Resolution
unresolved
no resolver link, observed 2026-08-14T05:29:21.383291Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

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Observation b0cd8a88-cfc1-4ac3-9644-fc5f93f529a6 · outbound

This paper cites Gapped and gapless phases of frustration-free spin-12 chains.

Improved local spectral gap thresholds for lattices of finite dimension Gapped and gapless phases of frustration-free spin-12 chains

Reference 8

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verified fuzzy
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

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Observation 062f0b1a-c201-4da2-b3f0-db3e19d1010c · outbound

This paper cites an unresolved cited work.

Improved local spectral gap thresholds for lattices of finite dimension Unresolved cited work

Reference 9

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unresolved
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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.

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Observation fd3acc70-e065-43e5-9627-ab445cee11fb · outbound

This paper cites Cubitt, David Perez-Garcia, and Michael M.

Improved local spectral gap thresholds for lattices of finite dimension Cubitt, David Perez-Garcia, and Michael M

Reference 10

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verified fuzzy
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

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Observation 3433cf13-7291-424f-b762-aa14b1316401 · outbound

This paper cites Eldar and A.

Improved local spectral gap thresholds for lattices of finite dimension Eldar and A

Reference 11

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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.

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Observation 1de42f32-ce0b-4c3f-9622-e6a5285b0fd7 · outbound

This paper cites an unresolved cited work.

Improved local spectral gap thresholds for lattices of finite dimension Unresolved cited work

Reference 12

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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.

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Observation 003c22f7-4f3e-4253-8bcd-f1831f876c62 · outbound

This paper cites Correlation length versus gap in frustration-free systems.

Improved local spectral gap thresholds for lattices of finite dimension Correlation length versus gap in frustration-free systems

Reference 13

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verified fuzzy
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

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Observation 29f56856-838c-4f1d-893a-67dd87f5cd23 · outbound

This paper cites Local gap threshold for frustration-free spin systems.

Improved local spectral gap thresholds for lattices of finite dimension Local gap threshold for frustration-free spin systems

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 2026-08-16T06:30:59.297886+00:00.

source=arxiv_source observed=2026-08-14T05:29:21.433160Z digest=sha256:997b4eb3939f44beeb241be0e415856a8646af42f1fe1deda645a58a0b03c51e

Observation 1483f0a8-0b70-4392-8c10-2054486ec637 · outbound

This paper cites Personal communication.

Improved local spectral gap thresholds for lattices of finite dimension Personal communication

Reference 15

Resolution
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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.

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Observation d3ea0824-71c6-47e7-83ea-79bf1e931eb0 · outbound

This paper cites an unresolved cited work.

Improved local spectral gap thresholds for lattices of finite dimension 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 2026-08-16T06:30:59.297886+00:00.

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Observation 6c35cf30-fbc0-4d6b-b9b1-aaf14567e694 · outbound

This paper cites an unresolved cited work.

Improved local spectral gap thresholds for lattices of finite dimension Unresolved cited work

Reference 17

Resolution
unresolved
raw_fallback, observed 2026-08-14T05:29:22.095498Z

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.

source=arxiv_source observed=2026-08-14T05:29:21.449665Z digest=sha256:b1921ff63b2423903551c68ac7ca849775e6194bfdcac5414c4a246bf328b0c8

Observation 1157fb4c-0678-4e76-a893-bfa61fce5770 · outbound

This paper cites Hastings and Tohru Koma.

Improved local spectral gap thresholds for lattices of finite dimension Hastings and Tohru Koma

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 2026-08-16T06:30:59.297886+00:00.

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Observation 1271c19b-7b0b-457b-942b-a81fbc6b369b · outbound

This paper cites Essai sur la g\` e om\` e trie \' a n dimensions.

Improved local spectral gap thresholds for lattices of finite dimension Essai sur la g\` e om\` e trie \' a n dimensions

Reference 19

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verified fuzzy
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=arxiv_source observed=2026-08-14T05:29:21.463379Z digest=sha256:6fd340a1a73e4899e8026fc0a7bb3a19e4bb8f0cca603e096355217e1b56374d

Observation d9a28f28-3ad4-47f2-ae39-1278b4e1dbdc · outbound

This paper cites Divide and conquer method for proving gaps of frustration free hamiltonians.

Improved local spectral gap thresholds for lattices of finite dimension Divide and conquer method for proving gaps of frustration free hamiltonians

Reference 20

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verified fuzzy
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=arxiv_source observed=2026-08-14T05:29:21.470261Z digest=sha256:414b6ac148b436844577406207359f2ebfd2ca9f63fb36894b52d53c5faf277f

Observation c564a381-415a-4948-bcf5-e09ce4b3689b · outbound

This paper cites Energy gaps and elementary excitations for certain vbs-quantum antiferromagnets.

Improved local spectral gap thresholds for lattices of finite dimension Energy gaps and elementary excitations for certain vbs-quantum antiferromagnets

Reference 21

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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.

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Observation 6991a419-28e0-405c-a4c5-db06a0cde78d · outbound

This paper cites Finite-size criteria for spectral gaps in $D$-dimensional quantum spin systems.

Improved local spectral gap thresholds for lattices of finite dimension Finite-size criteria for spectral gaps in $D$-dimensional quantum spin systems

Reference 22

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local_arxiv, observed 2026-08-14T05:29:21.628242Z

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.

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Observation 288ae754-affa-48c2-801d-a32aa7c086be · outbound

This paper cites Gaplessness is not generic for translation-invariant spin chains.

Improved local spectral gap thresholds for lattices of finite dimension Gaplessness is not generic for translation-invariant spin chains

Reference 23

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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.

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Observation 69c89804-b4e9-46df-ba13-4696ce3de57b · outbound

This paper cites Spectral gaps of frustration-free spin systems with boundary.

Improved local spectral gap thresholds for lattices of finite dimension Spectral gaps of frustration-free spin systems with boundary

Reference 24

Resolution
unresolved
no resolver link, observed 2026-08-14T05:29:21.492099Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

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Observation 81f5f354-3bff-45b2-9621-cc903704d4ec · outbound

This paper cites The AKLT model on a hexagonal chain is gapped.

Improved local spectral gap thresholds for lattices of finite dimension The AKLT model on a hexagonal chain is gapped

Reference 25

Resolution
unresolved
no resolver link, observed 2026-08-14T05:29:21.497525Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

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Observation 6fc94ce2-a128-4c19-b522-4ebda42a4431 · outbound

This paper cites The spectral gap for some spin chains with discrete symmetry breaking.

Improved local spectral gap thresholds for lattices of finite dimension The spectral gap for some spin chains with discrete symmetry breaking

Reference 26

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verified fuzzy
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

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Observation 4296e1d3-444f-4950-8776-302cc78ecafb · outbound

This paper cites Lieb-robinson bounds and the exponential clustering theorem.

Improved local spectral gap thresholds for lattices of finite dimension Lieb-robinson bounds and the exponential clustering theorem

Reference 27

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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.

source=arxiv_source observed=2026-08-14T05:29:21.509485Z digest=sha256:db1b26acba5a9e68aa974d12e17aeba79e5d03c3e334831db2f72ca4e11d4fbe

Pith citing papers

Observation 93c75708-9636-4eea-9a82-e2807d4f10aa · inbound

A Hierarchy of Spectral Gap Certificates for Frustration-Free Spin Systems cites this paper.

A Hierarchy of Spectral Gap Certificates for Frustration-Free Spin Systems Improved local spectral gap thresholds for lattices of finite dimension

Reference 24

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arxiv_id, observed 2026-05-23T18:03:18.256068Z

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.

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