Timeline for Eigenvalue perturbation theory via Feynman diagrams
Current License: CC BY-SA 3.0
9 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 17, 2017 at 23:54 | comment | added | thedude | @RodrigodeAzevedo these are diagrams for computing gaussian integrals. I want diagrams for computing eigenvalue perturbation theory. Are they the same? Because this is definitely not clear to me. | |
| S Oct 17, 2017 at 22:44 | history | suggested | Rodrigo de Azevedo | CC BY-SA 3.0 |
Minor improvements
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| Oct 17, 2017 at 21:38 | review | Suggested edits | |||
| S Oct 17, 2017 at 22:44 | |||||
| Oct 17, 2017 at 16:24 | review | Close votes | |||
| Oct 18, 2017 at 6:31 | |||||
| Oct 17, 2017 at 16:11 | answer | added | RaphaelB4 | timeline score: 13 | |
| Oct 17, 2017 at 15:54 | history | edited | thedude | CC BY-SA 3.0 |
deleted 18 characters in body
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| Oct 17, 2017 at 14:48 | answer | added | Abdelmalek Abdesselam | timeline score: 9 | |
| Oct 17, 2017 at 13:54 | comment | added | Denis Serre | If $D$ has multiple eigenvalues, the power series will involve fractional exponents (Puiseux series). By the way, mathematicians rarely go beyond the second order (first and second derivatives at $\epsilon=0$). | |
| Oct 17, 2017 at 13:19 | history | asked | thedude | CC BY-SA 3.0 |