Quaternion Spectra

2dq2011Mar04.pdf Amplitude and phase spectra of quaternion and nonquaternion 2D filters including Pauli and Hadamard gates

3dq2013Jun10.pdf Introduction to quaternion spectra - extended version of 2013 FQXi Essay

qspecSMALL.pdf Small version of 2013 FQXi essay

2dq2011Mar04.pdf

3dq2013Jun10.pdf

qspecSMALL.pdf

Following links fail