Ninety-Six Distinct Real Matrices for Representing a Quaternion Number
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Mathematics"
DOI: 10.1155/2020/2412491
Abstract: In this paper, we investigate on the number of all possible real matrices representing a quaternion number as three skew-symmetric matrices plus the identity matrix of order 4, and how to determine these matrices. We… read more here.
Keywords: representing quaternion; quaternion number; real matrices; number ... See more keywords
Monotone transformations on the cone of all positive semidefinite real matrices
Sign Up to like & getrecommendations! Published in 2020 at "Mathematica Slovaca"
DOI: 10.1515/ms-2017-0386
Abstract: Abstract Let Hn+ $\begin{array}{} \displaystyle H_{n}^{+} \end{array}$(ℝ) be the cone of all positive semidefinite (symmetric) n × n real matrices. Matrices from Hn+ $\begin{array}{} \displaystyle H_{n}^{+} \end{array}$(ℝ) play an important role in many areas of… read more here.
Keywords: begin array; array displaystyle; real matrices; end array ... See more keywords