|This article does not cite any sources. (August 2012) (Learn how and when to remove this template message)|
Using the well-known observation that
Julian Schwinger noticed that one may simplify the integral:
Another version of Schwinger parametrization is:
and it is easy to generalize this identity to n denominators.
See also Feynman parametrization.
|This applied mathematics-related article is a stub. You can help Wikipedia by expanding it.|
|This quantum mechanics-related article is a stub. You can help Wikipedia by expanding it.|