Even so, I didn’t manage to reach the last part where I discuss David Carr’s ideas. I would be interested in… Urs Schreiber: Differential n-Geometry (September 20, 2006) A quest for arrow-theoretic ...

WILL one of your mathematical readers kindly state whether the following empirical formula gives a nearer approximation to the perimeter of an ellipse than that usually given in pocket-books of ...