FERNANDEZ, Carmen; OSIEWALSKI, Jacek; STEEL, Mark FJ. - Center for Operations Research and Econometrics (CORE), … - 1995
We formulate a general representation of points z E Rn - {O} in terms of pairs (y, r), where r 0, y lies in some space y, and z = ry. In addition, we impose that the representation is unique. An example of such a representation is polar coordinates. As an immediate consequence, we can represent...