Timeline for Is it impossible for the dimension of a topological space to increase under a smooth map?
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| Jun 30, 2013 at 9:33 | comment | added | Ritwik | I am not seeing why $\pi(X_i)$ is contained inside a FINITE union of manifolds of dimension less than or equal to the dimension of $X_i$. The image of $X_i$ need not be smooth. | |
| Jun 30, 2013 at 9:27 | history | answered | Peter Michor | CC BY-SA 3.0 |