Abstract
Hyperquaternions being defined as a tensor product of quaternion algebras (or a subalgebra thereof), they constitute Clifford algebras endowed with an associative exterior product providing an efficient mathematical formalism for differential geometry. The paper presents a hyperquaternion formulation of pseudo-euclidean rotations and the Poincaré groups in n dimensions (via dual hyperquaternions). A canonical decomposition of these groups is developed as an extension of an euclidean formalism and illustrated by a 5D example. Potential applications include in particular, moving reference frames and machine learning.
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Acknowledgements
This work was supported by the LABEX PRIMES (ANR-11-LABX-0063) and was performed within the framework of the LABEX CELYA (ANR-10-LABX-0060) of Université de Lyon, within the program“Investissements d’Avenir” (ANR-11-IDEX-0007) operated by the French National Research Agency (ANR).
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A Multivector Structure of \(\mathbb {H}\otimes \mathbb {H}\otimes \mathbb {H}\)
A Multivector Structure of \(\mathbb {H}\otimes \mathbb {H}\otimes \mathbb {H}\)
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Girard, P.R., Clarysse, P., Pujol, R., Goutte, R., Delachartre, P. (2019). Hyperquaternions: An Efficient Mathematical Formalism for Geometry. In: Nielsen, F., Barbaresco, F. (eds) Geometric Science of Information. GSI 2019. Lecture Notes in Computer Science(), vol 11712. Springer, Cham. https://doi.org/10.1007/978-3-030-26980-7_13
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