Let be a rectifiable, Jordan curve in and be a point in and let have a winding number . Then ; all points inside will have the same index and we define the orientation of a Jordan curve by saying that is positively oriented if the index of every point in is and negatively oriented if it is .
|Date of creation||2013-03-22 12:56:09|
|Last modified on||2013-03-22 12:56:09|
|Last modified by||CWoo (3771)|