Pith. sign in

Paper Citation Record · LEDGER

A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications

As of 14 August 2026, this Paper Citation Record lists 15 of 15 outbound references and 6 inbound Pith citation observations for arXiv:2506.13242.

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

pith.paper-citation-record.v1
2506.13242 v7

Coverage vector

measured 15 of 15 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-07T00:42:52.421809Z

measured 21 of 21 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-14T06:32:32.682623+00:00

measured 6 of 6 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-06T22:23:31.332270Z

measured 0 of 1 external citation measurements

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

Source: arxiv_reference, observed 2026-07-03T16:38:39.962227Z

Reference resolution

15 of 15 outbound references displayed

  • verified exact1
  • verified fuzzy6
  • unresolved7
  • parse uncertain0
  • malformed identifier0
  • metadata mismatch1

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 95b12c03-a137-4507-adc2-ce00d353fc2b · outbound

This paper cites PLinOpt, a collection of C++ routines handling linear & bilinear programs, January 2024.

A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications PLinOpt, a collection of C++ routines handling linear & bilinear programs, January 2024

Reference 1

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T00:42:52.854821Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-07T00:42:52.352569Z digest=sha256:077934b9669aefbece0909f7b4e38bb2c521b1f1d57513dcdcd90ef7022a39a5

Observation f5e9928d-ee5a-4bcc-8f02-3847717e3940 · outbound

This paper cites Strassen’s algorithm is not op- timally accurate.

A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications Strassen’s algorithm is not op- timally accurate

Reference 2

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T00:42:52.836808Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-07T00:42:52.357890Z digest=sha256:7344f5d21c31134775ae8485b7360e048e89cf2d59c87592e679ded2538501d7

Observation 9cbeac1b-3fb5-4964-a7ca-472a5205647d · outbound

This paper cites A non-commutative algorithm for multiplying a 3 × 4 matrix by a 4 × 7 matrix using 63 non-complex multiplications.

A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications A non-commutative algorithm for multiplying a 3 × 4 matrix by a 4 × 7 matrix using 63 non-complex multiplications

Reference 3

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T00:42:52.820694Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-07T00:42:52.367338Z digest=sha256:1a334d3f3623faf0061347d1f8ce19cf5eaeb60abd26f40731115cc3685c8914

Observation b1f19e76-2c44-41b4-ac6f-45e25fe8de0f · outbound

This paper cites Towards automated generation of fast and accurate algorithms for recursive matrix multiplication.

A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications Towards automated generation of fast and accurate algorithms for recursive matrix multiplication

Reference 4

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T00:42:52.804433Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-07T00:42:52.372230Z digest=sha256:8e80f8d8eb7bd5653f062f27d964d4666127f25e13d5aa4b95c9fef2b10b7e2f

Observation ea8c4a05-3d82-441c-846d-ab0afebbae67 · outbound

This paper cites an unresolved cited work.

A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications Unresolved cited work

Reference 5

Resolution
unresolved
no resolver link, observed 2026-08-07T00:42:52.377566Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-07T00:42:52.377566Z digest=sha256:533064d742fd32b7dcd869072b6f444244c684da91de80970403207030515f24

Observation 81d63498-295f-4460-95dd-b327bfa82a82 · outbound

This paper cites On varieties of optimal algorithms for the computation of bilinear mappings I.

A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications On varieties of optimal algorithms for the computation of bilinear mappings I

Reference 6

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T00:42:52.788403Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-07T00:42:52.382395Z digest=sha256:4bc7a7738ae67e9e3eb8083da2c28daa1054caa18b9521a18f66fbabf4925e1d

Observation 3d022f82-07c8-45b3-8bbd-3c4080361caf · outbound

This paper cites On varieties of optimal algorithms for the computation of bilinear mappings II.

A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications On varieties of optimal algorithms for the computation of bilinear mappings II

Reference 7

Resolution
verified exact
doi, observed 2026-08-07T00:42:52.496245Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-07T00:42:52.392040Z digest=sha256:4110f5790aeaca849d3689d5807ba7d769fcf64fb1e061a54b9828278821c693

Observation 83f9d5f1-4ff7-4d09-8053-fe15b611072d · outbound

This paper cites Finding complex-valued solutions of Brent equations using nonlinear least squares.

A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications Finding complex-valued solutions of Brent equations using nonlinear least squares

Reference 8

Resolution
unresolved
no resolver link, observed 2026-08-07T00:42:52.397587Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-07T00:42:52.397587Z digest=sha256:9db31750ea46ddcd53a3d29ebb801b37b7f6e64945a28bbd4cf41357ef3abea0

Observation cb511e1e-05a4-4a5a-a407-d868656ee7f2 · outbound

This paper cites Matrix multiplication, a little faster.

A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications Matrix multiplication, a little faster

Reference 9

Resolution
metadata mismatch
raw_fallback, observed 2026-08-07T00:42:52.679006Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-07T00:42:52.402317Z digest=sha256:4059d7201ddeb06ae603c7974ce13213429582ecab008ce2efd05e42906f3b40

Observation fce3b96f-d7c8-4d60-8691-ed0ba08c0d12 · outbound

This paper cites Landsberg.

A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications Landsberg

Reference 10

Resolution
unresolved
no resolver link, observed 2026-08-07T00:42:52.407062Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-07T00:42:52.407062Z digest=sha256:17b164b6d36879b0ba1aa990c7d9cf54db4f26a2b8dea3f1c27dcbcb484a2451

Observation 53ac997a-3a7d-4293-94e0-57cf49bcb070 · outbound

This paper cites AlphaEvolve: A coding agent for scientific and algorithmic discovery.

A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications AlphaEvolve: A coding agent for scientific and algorithmic discovery

Reference 11

Resolution
unresolved
no resolver link, observed 2026-08-07T00:42:52.411937Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-07T00:42:52.411937Z digest=sha256:faa4f738bd80ca7fea9bf464373d88b13597564b8453abe6f90fcdcd0272bc0c

Observation 59993721-9b44-401a-838f-8338eb7f8084 · outbound

This paper cites Fast matrix multiplication database [online].

A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications Fast matrix multiplication database [online]

Reference 12

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T00:42:52.771617Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-07T00:42:52.417112Z digest=sha256:e74106d97f0ac21c9b0942e9c0c7d5e08f4de1e61492731e90b01b02cca49c78

Observation 9a10d3f6-f113-4126-90bf-19585442cf16 · outbound

This paper cites Gaussian elimination is not optimal.

A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications Gaussian elimination is not optimal

Reference 13

Resolution
unresolved
no resolver link, observed 2026-08-07T00:42:52.421809Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-07T00:42:52.421809Z digest=sha256:b65eb913b470edfc388ac9e22a13b8f081175e5f3867c3a6cc33cb544abdef65

Observation 5ea34c45-96fa-44ed-bec8-60d8c8718a54 · outbound

This paper cites (cited in sec.

A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications (cited in sec

Reference 1978

Resolution
unresolved
no resolver link, observed 2026-08-07T00:42:52.387234Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-07T00:42:52.387234Z digest=sha256:f2cc916089b8a0eb80497a374c6e3242f9216a5659869954ed407de242aae12b

Observation 5ef9ad16-c1d0-41c6-8edc-2204ab2344f1 · outbound

This paper cites URL: https://hal.science/hal-04441653, doi:10.1145/3666000.3669697.

A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications URL: https://hal.science/hal-04441653, doi:10.1145/3666000.3669697

Reference 2024

Resolution
unresolved
no resolver link, observed 2026-08-07T00:42:52.362973Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-07T00:42:52.362973Z digest=sha256:ea871e5c8a14be4f819c5afd3a27387a03bef95f19678328fbc691e0b241c344

Pith citing papers

Observation a51cb1e6-4996-4494-af38-1de95f14b08c · inbound

Exploring Commutative Matrix Multiplication Schemes via Flip Graphs cites this paper.

Exploring Commutative Matrix Multiplication Schemes via Flip Graphs A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications

Reference 3

Resolution
unresolved
no resolver link, observed 2026-08-06T22:23:31.332270Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T22:23:31.332270Z digest=sha256:970ad1b10cdb26d75b8fa25573c4d122523c11bb3cc659c8559071bf1a3dc5c0

Observation e84a04ef-0eb1-41b0-a75d-1f4a1c2cd0f2 · inbound

Towards Faster Feasible Matrix Multiplication by Trilinear Aggregation cites this paper.

Towards Faster Feasible Matrix Multiplication by Trilinear Aggregation A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications

Reference 22

Resolution
unresolved
no resolver link, observed 2026-08-06T05:41:53.889326Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T05:41:53.889326Z digest=sha256:63f6bbaaf6aa2011fcbf850d5d50291320f51bb5614ccb64c356fa04c3fd14b4

Observation 16ec32be-fc9c-4098-acaa-38dff32598c8 · inbound

Exploiting the Structure in Tensor Decompositions for Matrix Multiplication cites this paper.

Exploiting the Structure in Tensor Decompositions for Matrix Multiplication A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications

Reference 10

Resolution
verified exact
arxiv_id, observed 2026-07-28T03:23:17.841006Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-05-22T11:34:57.225987Z digest=sha256:53a204fcdf4212f3be9097b51bec8f5b3a03663c54ecb6a08d27002faf3240b9

Observation 455063b8-b725-44e4-b286-15cebf86f8fd · inbound

A more accurate rational non-commutative algorithm for multiplying 4x4 matrices using 48 multiplications cites this paper.

A more accurate rational non-commutative algorithm for multiplying 4x4 matrices using 48 multiplications A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications

Reference 8

Resolution
unresolved
no resolver link, observed 2026-08-02T17:55:39.483002Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T17:55:39.483002Z digest=sha256:f783eeedc543d19aa834b6b4dbaf7ea8444c047df64820879d8f7ab1ce04bbdb

Observation a4c89084-13f7-4361-be47-16d0c2bd88b0 · inbound

A catalog of fast matrix multiplication algorithms with frontier-closure search cites this paper.

A catalog of fast matrix multiplication algorithms with frontier-closure search A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications

Reference 4

Resolution
verified exact
arxiv_id, observed 2026-07-28T03:23:17.841006Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-06-27T05:13:01.363692Z digest=sha256:5389b270c270037263087b7395378361d3d11a86935191bf80f4f9bd14373933

Observation a469b146-4cfb-44d9-be71-f7cffd686ffe · inbound

Substitution and quotient of the isotropy group action cites this paper.

Substitution and quotient of the isotropy group action A non-commutative algorithm for multiplying 4x4 matrices using 48 non-complex multiplications

Reference 8

Resolution
unresolved
no resolver link, observed 2026-08-02T00:18:33.365532Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T00:18:33.365532Z digest=sha256:c0f9271db4e35943df6dd70a0430f96fa52ff05f4c2fe675dff5587d2d9d5113