Timeline for Does the convex-hull of a set contain zero (II)?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
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| Aug 20, 2017 at 2:38 | comment | added | SMD | @FedorPetrov Yes, that is what I meant. | |
| Aug 19, 2017 at 10:52 | comment | added | Fedor Petrov | You mean that the sets $\mathcal{J}_i$ are fixed? That they form a partition of $[k]$, and only $j_i\in \mathcal{J}_i$ vary? | |
| Aug 12, 2017 at 15:47 | comment | added | Yoav Kallus | If I understand your question correctly, the answer should still be no for the same reason ($\alpha_d^{(j)}<0$ for all $j$), unless the zero vector is one of your alpha vectors. | |
| Aug 12, 2017 at 10:39 | history | asked | SMD | CC BY-SA 3.0 |