Some examples exhibiting the procedures of renormalization and gauge fixing. —Schwinger-Dyson equations of first order

[摘要] References(21)In this note, a ‘definition’ of the useful but notorious Feynman measure corresponding to bilinear Lagrangeans with ‘singular’ coefficients is given through functional derivative equations. Especially, the procedures of renormalization and gauge fixing are clarified at the equation level.

[学科分类] 数学（综合）