Timeline for Examples of common false beliefs in mathematics
Current License: CC BY-SA 2.5
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 4, 2015 at 15:42 | comment | added | Manuel Bärenz | The mistake is somehow in the wording. The dual of the inclusion morphism is reversed, it's just not an inclusion anymore. | |
| Jun 25, 2013 at 3:02 | review | Late answers | |||
| Jun 25, 2013 at 11:35 | |||||
| Apr 11, 2011 at 12:07 | comment | added | David E Speyer | And, once you learn that this is wrong, you can make the opposite mistake. See my comments here sbseminar.wordpress.com/2011/02/22/sobolev-spaces-on-manifolds on how surprised I was that duality DOES reverse the inclusions between Soboloev spaces. | |
| Apr 7, 2011 at 0:21 | comment | added | Thierry Zell | That's funny, because I don't imagine this kind of idea would occur to someone who has just learned the definition of a dual space. That would be a strangely sophisticated mistake to make. | |
| Mar 15, 2011 at 11:21 | history | answered | coco | CC BY-SA 2.5 |