Apparently, this user prefers to keep an air of mystery about them.
2 Is perspective transform affine? If it is, why it's impossible to perspective a square by an affine transform, given by matrix and shift vector? jun 7 '13
2 Wald's equation example controversy jan 21 '14
1 DFT in complex form and Trigonometric Polynomial Interpolation: why different dimensions of basis vectors set? apr 23 '13