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Paper Citation Record · LEDGER

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory

As of 19 August 2026, this Paper Citation Record lists 31 of 31 outbound references and 3 inbound Pith citation observations for arXiv:1908.05155.

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

pith.paper-citation-record.v1
1908.05155 v1

Coverage vector

measured 31 of 31 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-14T13:35:22.282899Z

measured 34 of 34 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-19T06:32:44.657259+00:00

measured 3 of 3 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-14T05:19:38.110905Z

measured 0 of 1 external citation measurements

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

Source: arxiv_reference, observed 2026-07-02T08:26:48.493638Z

Reference resolution

31 of 31 outbound references displayed

  • verified exact1
  • verified fuzzy16
  • unresolved14
  • parse uncertain0
  • malformed identifier0
  • metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 258f9ac4-e97e-4849-a5d8-0fe6f84e284a · outbound

This paper cites an unresolved cited work.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Unresolved cited work

Reference 1

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:35:22.934520Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.100907Z digest=sha256:3ed190d34893a8170b8b7632ddbcd4f7f4a865895cb0b2c17621fe82a4917a39

Observation eef5f2c7-562f-4aee-9729-17b6323bd909 · outbound

This paper cites an unresolved cited work.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Unresolved cited work

Reference 2

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:35:22.915964Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.106751Z digest=sha256:98336bd01dc472c283373a92e6def284df9cbfe45a5004d84f202e5d1d956909

Observation f834101d-3978-40fc-822c-0ddb16a6c030 · outbound

This paper cites Barak, F.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Barak, F

Reference 3

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:35:22.896342Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.112187Z digest=sha256:cb52de41b399e7aa11ea8051c6fe44772da852bfb659b8460fe87c6855a05541

Observation 82d8c275-6775-46f7-8f0d-8acc8f9005f7 · outbound

This paper cites Bhattiprolu, M.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Bhattiprolu, M

Reference 4

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:35:22.875991Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.117368Z digest=sha256:65a28bbfe19eb3281898f65f00ac79c33469135e3a1faca8c3a7ab31981ad728

Observation 85b3b4c1-298f-40c9-b97f-7628698fecdd · outbound

This paper cites Barak, P.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Barak, P

Reference 5

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:35:22.854532Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.122645Z digest=sha256:b5b2059b7d16b5e92ebbd6e23c76abe7ebb040bbf75828478072a05fd6ecd2d5

Observation e1c85944-81b9-4edc-909b-9fcb3598b2d4 · outbound

This paper cites Blekherman.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Blekherman

Reference 6

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:35:22.837663Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.128012Z digest=sha256:0071ee3ca188d7aaf546da63de9c615a5fdc6c4fd874d8d88bcf2de531be7006

Observation 69c331e2-c034-4520-9458-6c7fd71e4b7e · outbound

This paper cites Brickman.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Brickman

Reference 7

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:35:22.816018Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.134359Z digest=sha256:8412bbffde891d6a7f214fd80445850679915eebd3e376caecd2ca579b05e350

Observation 10efad2d-7bba-42fc-93f5-de7896102928 · outbound

This paper cites Christandl, R.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Christandl, R

Reference 8

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:35:22.797503Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.139558Z digest=sha256:db9de765f6ece07d464d4d8adf03fc03c9d80e08737905cfcb3e07b711569103

Observation c09efe9d-6f10-40c8-9fad-f0bff1d58520 · outbound

This paper cites Driver and K.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Driver and K

Reference 9

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:35:22.777875Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.145532Z digest=sha256:d0893fee34d39d4a0da76ba9ffc9414eb42a1dfd750140f3e41a384919727db2

Observation 3983596d-16ad-4c91-b22d-445f9100bb6c · outbound

This paper cites De Klerk.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory De Klerk

Reference 10

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:35:22.758451Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.155120Z digest=sha256:54df7fdb6e432e0e89f90ec956ea92e58dea71b65acf1a950e26488b36f5aa8c

Observation 22058715-fdff-47b1-a932-b587087d4ad5 · outbound

This paper cites Convergence analysis of a Lasserre hierarchy of upper bounds for polynomial minimization on the sphere.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Convergence analysis of a Lasserre hierarchy of upper bounds for polynomial minimization on the sphere

Reference 11

Resolution
verified exact
local_arxiv, observed 2026-08-14T13:35:22.361947Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.160982Z digest=sha256:4333098dcb975ddc9bd4a327f3d2663b48f61ba24ecdf1af9f3334dcc82c9c67

Observation d60f4ecd-139f-4660-a19c-60732281f0f6 · outbound

This paper cites de Klerk, M.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory de Klerk, M

Reference 12

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:35:22.738855Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.166485Z digest=sha256:2a2852591bd290fd15e02ef93786c9874290e53750f86ddcbfe663eaaf8e844e

Observation bd2df4cf-192e-446c-addc-5d9b705fa995 · outbound

This paper cites http://dlmf.nist.gov/, Release 1.0.22 of 2019-03-15.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory http://dlmf.nist.gov/, Release 1.0.22 of 2019-03-15

Reference 13

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:35:22.715640Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.172004Z digest=sha256:6beacef933396ae1b2514077cd5d6c4a7e261cf73446f6228c2d70ced63cbf68

Observation 23e41ed5-1ce3-4d01-9e15-03e37dfee2f1 · outbound

This paper cites an unresolved cited work.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Unresolved cited work

Reference 14

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:35:22.692669Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.177383Z digest=sha256:d0d696c423cb37056bd73cb5550bece77df4f9cb3725a0e0ffbd9a6959725331

Observation 48369f12-1f83-41e1-986a-f0a94cbeee9a · outbound

This paper cites an unresolved cited work.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Unresolved cited work

Reference 15

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:35:22.669939Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.182436Z digest=sha256:486bd16cd7d3010aecbbcb85cef5c652bcbf0efdb41d080eacc3c5d008de59db

Observation 83b28f43-075f-4c65-903b-f4b5e6eb7556 · outbound

This paper cites an unresolved cited work.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Unresolved cited work

Reference 16

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:35:22.650421Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.187666Z digest=sha256:c382a9bd89d485ddb6561e7025d27e50bbc51d4fe8a90ffc0270f25737c47348

Observation 3864bd5f-c7f6-4c0a-80f9-012d5e060870 · outbound

This paper cites Convergence of SDP hierarchies for polynomial optimization on the hypersphere.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Convergence of SDP hierarchies for polynomial optimization on the hypersphere

Reference 17

Resolution
unresolved
no resolver link, observed 2026-08-14T13:35:22.192308Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=arxiv_source observed=2026-08-14T13:35:22.192308Z digest=sha256:b6d5cdd792ba620f850940b52f1b6423885d91247c3544672c73ef923e81bffc

Observation 4db1a875-1c8c-455d-8a9b-27b31256f878 · outbound

This paper cites an unresolved cited work.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Unresolved cited work

Reference 18

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:35:22.628941Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.198049Z digest=sha256:8bfdebbd3e2455aad120bb15ae01b74f45a602807bfc1eb70228d5a66a644b1b

Observation d8e14e86-1a94-4cca-87e1-907e59e9d895 · outbound

This paper cites Horodecki, P.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Horodecki, P

Reference 19

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:35:22.608341Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.204094Z digest=sha256:02cf8cee78b35c1a63886309d238d5c26732f23fbc2289c15e1373ac6b6eccb0

Observation 260a1e52-066e-4c05-8bf8-094341bf9db8 · outbound

This paper cites an unresolved cited work.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Unresolved cited work

Reference 20

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:35:22.586885Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.210568Z digest=sha256:81af591ad48cae968d2e4750c36819c66e4cd7df224b4afac1bd34b049357a63

Observation 979f3dec-1faa-4770-a504-2f4dc45b20d7 · outbound

This paper cites Koenig and G.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Koenig and G

Reference 21

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:35:22.568086Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.217207Z digest=sha256:f41828e06a47e65583a5045b4c9046e1d408f69481bc3963df213a017d79bef0

Observation 057faa2f-e756-4f1d-add5-66c2ff1822e7 · outbound

This paper cites an unresolved cited work.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Unresolved cited work

Reference 22

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:35:22.548601Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.224115Z digest=sha256:2e64741dcc87f66c53e4fa63abf8dee322f74c7f541e951839a37527ed6db2d7

Observation 0e31958b-df9a-4a11-926f-c3ae7d877993 · outbound

This paper cites Lewenstein, D.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Lewenstein, D

Reference 23

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:35:22.531554Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.229734Z digest=sha256:af0b7c0b925cce03aeb574352d7ab9285aa21c4efab69080361242a4a3d338c9

Observation 314e87d0-47d2-4d3f-9d7e-8feab560f517 · outbound

This paper cites Nesterov.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Nesterov

Reference 24

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:35:22.509835Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.235686Z digest=sha256:ad0bbbe7236f08f10b0d1242f763a24dc531ebd304a8c95b3528cfde85fb00eb

Observation a071eeff-f86a-4c6e-a5fa-e8a7a9831b98 · outbound

This paper cites Navascues, M.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Navascues, M

Reference 25

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:35:22.492141Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.242205Z digest=sha256:ddf8e81e858e7bbf28556d329999ba399f1ca1213af7136c7b5d585bf4508c7c

Observation 27e79878-daea-4a68-bc23-f94d56590f5b · outbound

This paper cites an unresolved cited work.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Unresolved cited work

Reference 26

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:35:22.475003Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.247669Z digest=sha256:b8c4a3e30cf96e7c38e7a968236e1b1483e933f9482ede3bf47338a58c2b6445

Observation d5b758be-c54d-4afc-a65c-80b509880cd9 · outbound

This paper cites an unresolved cited work.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Unresolved cited work

Reference 27

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:35:22.455092Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.254066Z digest=sha256:43abd9c0221427cf732ba38c646a63d9eb3d93c1798d998248136d3f8d565c2c

Observation 6cb45c77-b9bc-4f7b-8ff2-e4e811a8ba80 · outbound

This paper cites an unresolved cited work.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Unresolved cited work

Reference 28

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:35:22.435588Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.260302Z digest=sha256:9b038799a1193b6211448bf55d367f2b7b415a60bdb86dd40d907e81ea81f3bd

Observation d2504c96-e2a2-4d47-84fa-4f31666ceb91 · outbound

This paper cites P \'o lik and T.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory P \'o lik and T

Reference 29

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:35:22.417980Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.267244Z digest=sha256:0e566865281efbc6ae6f0293a92fb91dfaf5c6e0d84cd32194c5a8ee7f3745a9

Observation c1f02b01-c7d4-46da-bcf2-26fcd1a96cf2 · outbound

This paper cites an unresolved cited work.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Unresolved cited work

Reference 30

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:35:22.400036Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.273791Z digest=sha256:ce9175d76d4ca3ed879d42380476ecfbef34fb083e2a8d46593f58e4c7aefcd6

Observation 1cc0f30c-29de-4af3-a7d3-6cf594f2ac09 · outbound

This paper cites an unresolved cited work.

The sum-of-squares hierarchy on the sphere, and applications in quantum information theory Unresolved cited work

Reference 31

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:35:22.382183Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=arxiv_source observed=2026-08-14T13:35:22.282899Z digest=sha256:4580ee10c858f3eafda40a9b6838763d0d9cb8273ae7f7e9e5aa5a90704de7e6

Pith citing papers

Observation 27a15a16-96a4-4fb9-b4eb-eeeacca502ca · inbound

A refinement of Reznick's Positivstellensatz with applications to quantum information theory cites this paper.

A refinement of Reznick's Positivstellensatz with applications to quantum information theory The sum-of-squares hierarchy on the sphere, and applications in quantum information theory

Reference 7

Resolution
unresolved
no resolver link, observed 2026-08-14T05:19:38.110905Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=arxiv_source observed=2026-08-14T05:19:38.110905Z digest=sha256:d1f0e8dc2ec5ec0990c66bda8147ffd32f5c63301f10acfba4ff1c4d198870a9

Observation 242386be-75a2-4e21-a2b0-35aa5f2a12c9 · inbound

The power of unentanglement without destructive interference cites this paper.

The power of unentanglement without destructive interference The sum-of-squares hierarchy on the sphere, and applications in quantum information theory

Reference 37

Resolution
unresolved
no resolver link, observed 2026-07-14T19:22:01.399568Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=arxiv_source observed=2026-07-14T19:22:01.399568Z digest=sha256:4503c907ce72a3102f4bc236d88fbce986bcbe6abb3d09fc17c874da519f4475

Observation 0f57d266-5fbf-42bc-b381-d1d940eaf043 · inbound

Convergence rates of Sum-of-Hermitian-Squares Hierarchies for the Pauli algebra cites this paper.

Convergence rates of Sum-of-Hermitian-Squares Hierarchies for the Pauli algebra The sum-of-squares hierarchy on the sphere, and applications in quantum information theory

Reference 50

Resolution
verified exact
arxiv_id, observed 2026-07-02T08:26:48.495022Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

source=pdf_text observed=2026-06-28T05:59:12.615897Z digest=sha256:13fd8989150a54af201fec036a863a02896ba4d0503e708783e7584376b0ef8f