2 papers
math-ph2020
Inversion of the Indefinite Double Covering Map
Francis Adjei, Mieczyslaw Dabkowski, Samreen Khan +1
Algorithmic methods for the explicit inversion of the indefinite double covering maps are proposed. These are based on either the Givens decomposition or the polar decomposition of…
math-ph2018
Algorithms for the Polar Decomposition in Certain Groups and the Quaternions
Francis Adjei, Marcus Cisneros, Deep Desai +2
Constructive algorithms, requiring no more than matrix manipulations, are provided for finding the entries of the positive definite factor in the polar decomposition of…