Timeline for Cone over the Join of two topological spaces
Current License: CC BY-SA 3.0
12 events
when toggle format | what | by | license | comment | |
---|---|---|---|---|---|
Apr 9, 2012 at 18:32 | vote | accept | Antonio | ||
Apr 8, 2012 at 17:02 | answer | added | Ronnie Brown | timeline score: 3 | |
Mar 25, 2012 at 8:36 | answer | added | Bad English | timeline score: 0 | |
Mar 24, 2012 at 20:30 | comment | added | Yemon Choi | Can you prove or disprove it when $X=Y=[0,1]$ ? | |
Mar 24, 2012 at 18:43 | history | edited | Antonio |
edited tags
|
|
Mar 21, 2012 at 13:30 | comment | added | Antonio | This is the Proposition I need and where I began to ask myself if this question is true mathoverflow.net/questions/91796/… | |
Mar 21, 2012 at 13:29 | comment | added | Antonio | It´s not a homework I came uo with this problem when I was traying to understand the proof of a Proposition. | |
Mar 21, 2012 at 10:09 | comment | added | BS. | Isn't this homework ? | |
Mar 21, 2012 at 5:27 | comment | added | Tyler Lawson | (This may be a compactly-generated hint.) | |
Mar 21, 2012 at 5:07 | comment | added | Tyler Lawson | Hint: If you forget all the coordinates from X and Y, the first space maps to a triangle and the second maps to a square; try to find a homeomorphism between those that preserves the type of preimage. | |
Mar 21, 2012 at 4:09 | comment | added | Will Sawin | is there any reason to expect this to be true? Is there a non-trivial example where it is true? | |
Mar 21, 2012 at 4:05 | history | asked | Antonio | CC BY-SA 3.0 |