English

A new product on 2x2 matrices

Mathematical Physics 2020-06-22 v2 math.MP Representation Theory

Abstract

We study a bilinear multiplication rule on 2x2 matrices which is intermediate between the ordinary matrix product and the Hadamard matrix product, and we relate this to the hyperbolic motion group of the plane.

Cite

@article{arxiv.1802.03048,
  title  = {A new product on 2x2 matrices},
  author = {Linus Kramer and Peter Kramer and Vladimir Man'ko},
  journal= {arXiv preprint arXiv:1802.03048},
  year   = {2020}
}

Comments

One reference added

R2 v1 2026-06-23T00:16:26.734Z