Abstract
The theory of Clifford Algebra includes a statement that each Clifford Algebra is isomorphic to a matrix representation. Several authors discuss this and in particular Ablamowicz [1] gives examples of derivation of the matrix representation. A matrix will itself satisfy the characteristic polynomial equation obeyed by its own eigenvalues. This relationship can be used to calculate the inverse of a matrix from powers of the matrix itself. It is demonstrated that the matrix basis of a Clifford number can be used to calculate the inverse of a Clifford number using the characteristic equation of the matrix and powers of the Clifford number. Examples are given for the algebras Clifford(2), Clifford(3) and Clifford(2,2).
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References
R. Ablamowicz, Spinor representations of Clifford algebras: A symbolic approach,Computer Physics Communications 115, No. 2–3 (December 11, 1998), 510–535.
J. P. Fletcher, Symbolic processing of Clifford numbers in C++, this volume, Chapter 14, pp. 157–167.
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Fletcher, J.P. (2002). Clifford Numbers and their Inverses Calculated using the Matrix Representation. In: Dorst, L., Doran, C., Lasenby, J. (eds) Applications of Geometric Algebra in Computer Science and Engineering. Birkhäuser, Boston, MA. https://doi.org/10.1007/978-1-4612-0089-5_15
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DOI: https://doi.org/10.1007/978-1-4612-0089-5_15
Publisher Name: Birkhäuser, Boston, MA
Print ISBN: 978-1-4612-6606-8
Online ISBN: 978-1-4612-0089-5
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