Timeline for First order Elliptic operator
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
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| Nov 20, 2013 at 20:59 | history | edited | Johannes Ebert | CC BY-SA 3.0 |
added 40 characters in body
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| Nov 20, 2013 at 20:12 | comment | added | Liviu Nicolaescu | The above construction has a problem that Kofi pointed out, namely $p(x,\xi)^2$ is a symmetric, positive definite endomorphism of $W$. | |
| Nov 20, 2013 at 19:59 | comment | added | Matthias Ludewig | But, $p^2=q$ is a priori an endomorphism of $V\oplus W$ that doesn't have to be skalar and does not define a Riemannian metric in general. Or am I missing something? | |
| Nov 20, 2013 at 19:41 | history | answered | Johannes Ebert | CC BY-SA 3.0 |