Beta Function, C--Theorem and WDVV Equations in 4D N=2 SYM

G. Bertoldi, M. Matone

We show that the exact $beta$--function of 4D N=2 SYM plays the role of the metric whose inverse satisfies the WDVV--like equations $\F_{ikl}β^{lm} \F_{mnj}=\F_{jkl}β^{lm}\F_{mni}$…