contractible वाक्य

उदाहरण वाक्य

1. For example, the punctured Poincar?sphere is an acyclic, 3-dimensional manifold which is not contractible.
2. So, why shouldn't it be possible to do calculus on a locally contractible first countable space?
3. In particular, if " C " has an initial or final object, its nerve is contractible.
4. The fibre in this case is EG, which is a contractible space by the definition of a classifying space.
5. According to Brouwer fixed point theorem every Kinoshita who found an example of a compact contractible space without the FPP.
6. But not every homology 3-sphere is diffeomorphic to the boundary of a contractible compact smooth 4-manifold.
7. The Whitehead manifold is an example of a 3-manifold that is contractible but not simply connected at infinity.
8. The real line is also contractible, and as such all of its homotopy groups and reduced homology groups are zero.
9. Exercises are performed by pushing inwards on the contractible cylinders or by pulling the cables outwards, away from the cylinders.
10. In other words, while the composition law is not uniquely defined, it is unique up to a contractible choice.