Timeline for Is the point giving the width in strictly convex surface a cut point?
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
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| Apr 26, 2020 at 8:34 | answer | added | M. Winter | timeline score: 4 | |
| Apr 25, 2020 at 1:17 | comment | added | Hee Kwon Lee | Counterexample : Consider a chart $T(u,v)=(0,u,0)+f(u)(\cos\ v,0,\sin\ v),\ f(u)=1-u^4,\ -1\leq u\leq 1,\ v\in [-\frac{\pi}{2}-\epsilon,\frac{\pi}{2}+\epsilon]$ for the surface. Here $T(0,v)$ is a geodesic and sectional curvature is zero along the geodesic so that Jacobi field is $t(0,1,0)$ along $T(0,t+\frac{\pi}{2})$ | |
| Apr 24, 2020 at 22:33 | comment | added | Joseph O'Rourke | Thanks for the definition. | |
| Apr 24, 2020 at 22:23 | history | edited | Hee Kwon Lee | CC BY-SA 4.0 |
added 212 characters in body
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| Apr 24, 2020 at 22:14 | history | edited | Hee Kwon Lee | CC BY-SA 4.0 |
added 222 characters in body
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| Apr 24, 2020 at 21:18 | answer | added | Joseph O'Rourke | timeline score: 2 | |
| Apr 24, 2020 at 21:00 | comment | added | Joseph O'Rourke | Could you please define "cut point"? Thanks. | |
| Apr 24, 2020 at 17:00 | history | asked | Hee Kwon Lee | CC BY-SA 4.0 |