3 ms·
A little known bit of history is Feynman developed a diagrammatic method for expressing the moments of PGFs in his study of the stochastic theory of fission cha
by GemesAS 2y ago
A little known bit of history is Feynman developed a diagrammatic method for expressing the moments of PGFs in his study of the stochastic theory of fission chains. This was before his work on QED. See:
https://www.osti.gov/biblio/1775045 https://www.osti.gov/biblio/1775045