Timeline for Homogeneous polynomials, mixed determinants, positive definiteness
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 5, 2016 at 14:51 | comment | added | Fedor Petrov | I expect that no: there is neither no simple explanation, no analytical. I recommend lectures by V.V.Uspensky (in Russian) on the subject m.mathnet.ru/php/… | |
| Oct 5, 2016 at 14:46 | comment | added | Paata Ivanishvili | Is there a simple analytic explanation of why $\mathbb{S}^{n-1}$ is not parallelizable when $n \neq 1,2,4,8$? For odd dimensions it follows from Milnor's simple proof of Hairy ball theorem. | |
| Oct 5, 2016 at 14:23 | vote | accept | Paata Ivanishvili | ||
| Oct 5, 2016 at 9:51 | history | edited | Fedor Petrov | CC BY-SA 3.0 |
added 273 characters in body
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| Oct 5, 2016 at 8:43 | history | edited | Fedor Petrov | CC BY-SA 3.0 |
added 74 characters in body
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| Oct 5, 2016 at 8:35 | comment | added | Ivan Izmestiev | And if $A_1$ is degenerate, then $f(1, 0, \ldots, 0) = 0$... | |
| Oct 5, 2016 at 8:31 | history | answered | Fedor Petrov | CC BY-SA 3.0 |