Timeline for Hesse pencil and Schrodinger representation of Heisenberg group
Current License: CC BY-SA 3.0
12 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 13, 2014 at 15:09 | comment | added | Will Jagy | @FrancescoPolizzi, thank you. Nice looking cubic, very symmetric. | |
| Jan 13, 2014 at 14:40 | comment | added | Francesco Polizzi | @Will: The Hesse pencil is a pencil of plane cubics such that the nine base points are also inflection points. It is given in coordinates by $$\lambda (x^3+y^3+z^3)+ \mu xyz=0.$$ | |
| Jan 12, 2014 at 0:24 | vote | accept | Sasha Pavlov | ||
| Jan 11, 2014 at 9:57 | answer | added | Sasha Anan'in | timeline score: 3 | |
| Jan 11, 2014 at 8:02 | answer | added | abx | timeline score: 2 | |
| Jan 11, 2014 at 3:22 | comment | added | Will Jagy | There's something i didn't know either. Hessian soldiers were a prominent factor in the American Revolutionary war; never really managed to put that concept together with partial derivatives before. | |
| Jan 11, 2014 at 2:58 | comment | added | Sasha Pavlov | Hessian matrix (second order terms in Taylor expansion) is named after him. As for Hessian pencil I believe it is standard terminology, although I was not able to find any reasonable sources to read about it. | |
| Jan 11, 2014 at 2:47 | comment | added | Will Jagy | Amazing. Never heard of him before this. Maybe that's just me. Will people (well, people who might be able to answer your question) know what a Hesse pencil is? | |
| Jan 11, 2014 at 2:34 | comment | added | Sasha Pavlov | en.wikipedia.org/wiki/Otto_Hesse | |
| Jan 11, 2014 at 2:13 | comment | added | Will Jagy | en.wikipedia.org/wiki/Hermann_Hesse and en.wikipedia.org/wiki/Helmut_Hasse | |
| Jan 11, 2014 at 1:57 | comment | added | Will Jagy | Didn't Hesse write Steppenwolf and Siddharta? | |
| Jan 11, 2014 at 1:20 | history | asked | Sasha Pavlov | CC BY-SA 3.0 |