An integral representation for the four-
β
Peter ArrhΓ©n
π
Article
π
1966
π
Elsevier Science
β 628 KB
The fact that the analyticity domain .-~'4 of the four-point function is bounded by nonanalytic hypersurfaces implies that the Bergman-Weil integral is not applicable to the fourpoint function. However, as shown by Svensson 5), there exists a special integral representation for the n-point function