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Two-sided Clifford Fourier transform with two square roots of -1 in Cl(p,q) (1306.2092v1)
Published 10 Jun 2013 in math.RA and math.SP
Abstract: We generalize quaternion and Clifford Fourier transforms to general two-sided Clifford Fourier transforms (CFT), and study their properties (from linearity to convolution). Two general \textit{multivector square roots} $\in \cl{p,q}$ \textit{of} -1 are used to split multivector signals, and to construct the left and right CFT kernel factors. Keywords: Clifford Fourier transform, Clifford algebra, signal processing, square roots of -1 .