Timeline for On a special case of Alexander duality
Current License: CC BY-SA 3.0
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| Feb 23, 2016 at 18:30 | comment | added | user20948 | I want to add a more elementary argument: Suppose $x,y\in M\setminus N$.Take any path $p\colon I\to M$ with $p(0)=x$ and $p(1)=y$. We can firstly perturb it into a path such that $\{\,t\in I\,\vert\,p(t)\in N\}$ is finite (Hint: partition $I$ so that the image of each piece is contained in a coordinate neighborhood of $(M,N)$), then a further perturbation clears all such $t\in I$. | |
| Aug 4, 2011 at 12:35 | vote | accept | Hugo Chapdelaine | ||
| Aug 2, 2011 at 16:53 | history | answered | Moosbrugger | CC BY-SA 3.0 |