Suspension (topology)

（重定向自Reduced suspension）

Suspension of a circle. The original space is in blue, and the collapsed end points are in green.

In topology, the suspension SX of a topological space X is the quotient space:

of the product of X with the unit interval I = [0, 1]. Thus, X is stretched into a cylinder and then both ends are collapsed to points. One views X as "suspended" between the end points. One can also view the suspension as two cones on X glued together at their base (or as a quotient of a single cone).

单词	Reduced suspension
释义	Reduced suspension 原声例句 TED演讲（视频版）双语精选 And her high school has reduced suspensions by more than half through the use of this kind of restorative justice method. 她的高中用这种修复式司法的方式已经将停学人数减少了一半。英语百科 Suspension (topology) （重定向自Reduced suspension） In topology, the suspension SX of a topological space X is the quotient space: of the product of X with the unit interval I = [0, 1]. Thus, X is stretched into a cylinder and then both ends are collapsed to points. One views X as "suspended" between the end points. One can also view the suspension as two cones on X glued together at their base (or as a quotient of a single cone).
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