2017
Том 69
№ 9

All Issues

Complex singular points of contributions of Feinman's diagrams and continuity theorem

Petrina D. Ya.

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Abstract

A method is proposed, based on the application of the theorem of continuity and permitting the determination of which points of Landau's surface are singular points of contributions of Feinman's diagrams on a «physical sheet».

Citation Example: Petrina D. Ya. Complex singular points of contributions of Feinman's diagrams and continuity theorem // Ukr. Mat. Zh. - 1964. - 16, № 1. - pp. 31-40.

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