Timeline for Exact 1- and 2-forms in $R^n$
Current License: CC BY-SA 3.0
4 events
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May 27, 2012 at 4:59 | comment | added | Xiaolei Wu | @Alan, you can say every closed loop is contractible, which is the same as simply connected. | |
May 26, 2012 at 21:32 | comment | added | Charles Matthews | Well, it's a matter of paraphrase, then. The second para of your question suggests you would like something more than just a sufficient condition on the topology. Taking the complement of a point in three-space, the topologist might divide it into two pieces that were contractible and overlapped. | |
May 26, 2012 at 19:10 | comment | added | Alan Macdonald | I am aware of de Rham cohomology. But I asked for something "suitable for the elementary vector calculus course". | |
May 26, 2012 at 18:42 | history | answered | Charles Matthews | CC BY-SA 3.0 |