On the geometry of border rank algorithms for n x 2 by 2 x 2 matrix multiplication
Numerical Analysis
2015-09-29 v1 Algebraic Geometry
Abstract
We make an in-depth study of the known border rank (i.e. approximate) algorithms for the matrix multiplication tensor encoding the multiplication of an n x 2 matrix by a 2 x 2 matrix.
Cite
@article{arxiv.1509.08323,
title = {On the geometry of border rank algorithms for n x 2 by 2 x 2 matrix multiplication},
author = {J. M. Landsberg and Nicholas Ryder},
journal= {arXiv preprint arXiv:1509.08323},
year = {2015}
}
Comments
19 pages, two figures