What good are quantum field theory infinities?
arXiv:hep-th/9911071
Abstract
A lesson for the new millennium from quantum field theory: Not all field-theoretic infinities are bad. Some give rise to finite, symmetry-breaking effects, whose consequences are observed in Nature.
13 pages, 1 figure using BoxedEPSF, amsmath macros; contribution to Mathematical Physics 2000, Imperial College Press, London, UK; email to [email protected]