AWhat changed
The usual cubic operation count was no longer an unavoidable cost of multiplying general square matrices.
Scientific scope
The seven-product block construction and its recursive subcubic arithmetic-operation bound in Strassen’s 1969 paper.
Evidence
Sections 1–2, Fact 1 and Fact 2 in the original 1969 paper were read. The block construction and arithmetic bound support the stated result; their editorial grade is a separate judgment.
Contributors
- Volker Strassen · SCIENCE: The algorithm and analysis in the named 1969 paper. Acknowledged discussion and funding are distinct from sole ownership of later work.
Provisional WRS assessment, edition 2026-10-28.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.