Pith. sign in

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=sha256:80d30062b55a3f674653eda4d4ea73e8c88b67d11fb1ef91732c9edb022cc033

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:b44d75c8c6841cfd50a4858849ce6814dbae01520bd878bff1649188b42d728c

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=sha256:7be27534f8d3f3826638f91972397c042fb91835c65fb9ec846e351105405ac3

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:a401ff43729aac6b4596c73b3a5cbb42db3733b917c49b2d570bc90de4bcdfb4

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=sha256:15c424284e9ad5f8d576b8ba68617ed95fadd6c241fca6eab6f2510953375404

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=sha256:5afb31a9b588a66d06b9303c79feb214c905f0e6292408e66cc20a68bf69575c

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:b25cf590085b41eb92dc474fe57d906c6a0b7496d9ea5bbe40acaf9963af6adc

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:a77fa83ea2fd87a12e282bd7b5242931454159aa8e2b7d797f3c3bc6c50cc6df

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=sha256:63b8cc266250678fc04eaf0ec15c3432af25173c6ffc8db23a69ef80aa00db40

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:d32f18e6cb4621c19c0de033e869e86c629c7aa0cab5fa1be7a01de122b3d0b5

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:e3d8cddd6755fdcffeea630df7ddcd67c752ae72703762139d4ba6c4f24cb95f

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:da98ffc230562dab29e91dc6d998a409290e6393f7b6325f3fd63e2683a69fd5

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:ab816c8972f6fc53586081ffec2eb1e0db763fa9fd179e213b75c51f61cb49e4

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:ba595454e450846aa45e83cfc815caf0c028d0ebd63b387d6024d7b0d7792181

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:a00eca88e158a7547c212879f4415e92befbb7caa844e2cacb467304e08586e1

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=sha256:28cfc2446aaf84b7ec4580a34f12237c3a3b191f74ebed640db6eddcd2ed2456

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=sha256:104b97765dedcbc5a52b42ffb0ebaef198df20a9f55acc9dd56d8173749ea997

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=sha256:20eef6b740e6a1dc883705cf0fe9341d4c853f0f3b9f45c0c93ccbf7cf2de829

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:dc54845a63b23e0b84597379be9307d1c02fccc696a7089160709d1087ab29f8

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:a12d71524363cfe9788ce72d3b2fc0ca3dfb6c107b3d528ae48d2ce024d958aa

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:ec5c7fdf21dd557429d194ecb1e58d0c78aaeece5f565650548e0969fac18188

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=sha256:7467fd4a25dd5f24192c8bee7e7659ed1bc2bc85291d298607358ead36b929fe

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=sha256:39f20276baffc68a8fc2db66240a9f03e90f837f8adaf9b0c0a12e520c275232

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=sha256:7deb0b90862a065d1187ed0cb4489db9e1720cbc0124e07fad4ae9ea701309df

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=sha256:0f88a88615d629f26d8cf9ba44eae84f1f1bc2315ab3a8e8c58b1324a8613f00

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=sha256:3c2b862d4e810e7d40c19b871421d52dec5686383d9727c6e9bbcf61c019ea71

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:ce0ba862224bb1b3823816210b9e246c260867ea678cff4d76f62af2fd44a31f

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:b480d8fb424c756221e5e5669787534f0c5ceca182d1d0ec3a1a371279a3b99a

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=sha256:4fd33ae71ba01c674e32fbef852562831665f9da80daeea76460f81f5a465252

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:aab988320e700039ce777484df366db126c5a03d39556e92406a25581808d4f8

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:ad7281a2dd81a17e169299d0aa7b5daca585f8bb5ef75f19c220b7afc28e082e

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=sha256:3b7fb1c018d0a981e19d57ac991428c27eead940ac41a0792f8be1136bb7bf6b

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:a0cd35f887c2382cb43df0227acb99ff2f68d3c8728736a5f4c0bf8f6977948c

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=sha256:1e5f44bf89b1222aa61c76293232abb08c233d73c2260bc8399f396c765ffdff