Timeline for Quirky, non-rigorous, yet inspiring, literature in mathematics
Current License: CC BY-SA 4.0
9 events
| when toggle format | what | by | license | comment | |
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| Feb 3, 2020 at 1:31 | history | edited | Todd Trimble | CC BY-SA 4.0 |
typo
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| Jan 28, 2020 at 19:51 | comment | added | Tom Copeland | Feyman's popularizing book QED is a lucid jewel. | |
| Jan 28, 2020 at 19:46 | comment | added | Tom Copeland | Quirky, as initially received historically , seems à propos. (Familiarity, in this case, doesn't breed contempt.) | |
| Jan 28, 2020 at 19:42 | comment | added | Tom Copeland | (Cont.) It may be fair to say that while the path integral formulation to quantum field theory receives all the press, the most precise exegesis of field theory is provided by the functional differential equations of Schwinger resulting from his action principle. | |
| Jan 28, 2020 at 19:41 | comment | added | Tom Copeland | (Cont.) From "Julian Schwinger: Nuclear Physics, the Radiation Laboratory, Renormalized QED, Source Theory, and Beyond" by Kimball Milton: The formal solution of Schwinger’s differential equations was Feynman’s functional integral; yet while the latter was ill-defined, the former could be given a precise mean- ing, and for example, required the introduction of fermionic variables, which initially gave Feynman some difficulty. | |
| Jan 28, 2020 at 19:36 | comment | added | Tom Copeland | From Wikipedia (in agreement with recall of readings many years ago): Historically, as a book-keeping device of covariant perturbation theory, the graphs were called Feynman–Dyson diagrams or Dyson graphs, because the path integral was unfamiliar when they were introduced, and Freeman Dyson's derivation from old-fashioned perturbation theory was easier to follow for physicists trained in earlier methods. Feynman had to lobby hard for the diagrams, which confused the establishment physicists trained in equations and graphs. | |
| Jan 28, 2020 at 17:07 | comment | added | Ben McKay | Quarky, not so quirky. | |
| S Jan 28, 2020 at 16:18 | history | answered | Timothy Chow | CC BY-SA 4.0 | |
| S Jan 28, 2020 at 16:18 | history | made wiki | Post Made Community Wiki by Timothy Chow |