English

Strassen $2\times2$ Matrix Multiplication from a 3-dimensional Volume Form

Data Structures and Algorithms 2026-01-05 v2 Computational Complexity

Abstract

The Strassen 2×22\times2 matrix multiplication algorithm arises from the volume form on the 3-dimensional quotient space of the 2×22\times 2 matrices by the multiples of identity.

Keywords

Cite

@article{arxiv.2507.13510,
  title  = {Strassen $2\times2$ Matrix Multiplication from a 3-dimensional Volume Form},
  author = {Benoit Jacob},
  journal= {arXiv preprint arXiv:2507.13510},
  year   = {2026}
}

Comments

13 pages. v2: fixed a glitch in the proof of Lemma 9 and some typographical tweaks

R2 v1 2026-07-01T04:06:57.998Z