Timeline for Covering maps in real life that can be demonstrated to students
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 16, 2017 at 16:24 | comment | added | jeq | The links to the images appear to be broken. | |
| Dec 6, 2012 at 16:19 | history | edited | G.C. | CC BY-SA 3.0 |
added 4 characters in body
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| Dec 6, 2012 at 16:13 | history | edited | G.C. | CC BY-SA 3.0 |
added 82 characters in body
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| Dec 6, 2012 at 16:09 | comment | added | G.C. | Well if I understant the question, it's just like for the real line winding around the circle, the map $H : \mathbf R^3 \times [0,1]\to\mathbf R^3$ defined by (say) $H((x_1,x_2,x_3),t)=(x_1,x_2,(1-t).x_3)$ ... it furnishes the projection onto the surface I will add in a few minutes in the answer. | |
| Dec 6, 2012 at 15:55 | comment | added | j.c. | The homotopy that the question asks for is not obvious here; could you give some more detail? | |
| Dec 6, 2012 at 15:54 | history | edited | j.c. | CC BY-SA 3.0 |
fix image link
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| Dec 6, 2012 at 15:51 | history | answered | G.C. | CC BY-SA 3.0 |