Wild arc
几何拓扑学中,一条wild arc是单位区间到三维空间内的嵌入,令到不与通常的嵌入等价,意思是不存在一个ambient同痕将这条弧变为一条直线段。(弧是从单位区间到拓扑空间的嵌入,即连续单射。)Antoine (1920)发现wild arc的第一个例子,Fox & Artin (1948)发现一个例子,称为Fox–Artin arc,其补集不是单连通的。
参考
- Antoine, L., Sur la possibilité d'étendre l'homéomorphie de deux figures à leurs voisinages, C.R. Acad. Sci. Paris, 1920, 171: 661
- Fox, Ralph H.; Harrold, O. G., The Wilder arcs, Topology of 3-manifolds and related topics (Proc. The Univ. of Georgia Institute, 1961), Prentice Hall: 184–187, 1962, MR 0140096
- Fox, Ralph H.; Artin, Emil, Some wild cells and spheres in three-dimensional space, Annals of Mathematics. Second Series, 1948, 49: 979–990, ISSN 0003-486X, JSTOR 1969408, MR 0027512
- McPherson, James M., Wild arcs in three-space. I. Families of Fox–Artin arcs, Pacific Journal of Mathematics, 1973, 45: 585–598 [2014-04-02], ISSN 0030-8730, MR 0343276, (原始内容存档于2020-06-23)