Minkowski geometry;
angular measure in Minkowski space;
D O I:
10.1007/s00022-006-0044-2
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
Recently, Dekster introduced a new angle measure for Minkowski spaces according to which the total angular measure tau around a point in a two-dimensional Minkowski space need not be 2 pi. In this paper, we shall show that while tau need not be 2 pi, tau always lies between root 2 pi and 8.