In this section, we come back to the observation made at the end of Sec. 5.2 that there is a very singular point of the Coulomb branch of the ${N}_{f}=1$ theory. We study the physics at that point and its generalizations.

10.1 ${N}_{f}=1$
theory and the simplest Argyres-Douglas CFT

10.2 Argyres-Douglas CFT from the ${N}_{f}=2$ theory

10.3 Argyres-Douglas CFT from the ${N}_{f}=3$ theory

10.4 Summary of rank-1 theories

10.4.1 Argyres-Douglas CFTs from $SU\left(2\right)$ with ﬂavors

10.4.2 Exceptional theories of Minahan-Nemeschansky

10.4.3 Newer rank-1 theories

10.5 More general Argyres-Douglas CFTs: ${X}_{N}$ and ${Y}_{N}$

10.2 Argyres-Douglas CFT from the ${N}_{f}=2$ theory

10.3 Argyres-Douglas CFT from the ${N}_{f}=3$ theory

10.4 Summary of rank-1 theories

10.4.1 Argyres-Douglas CFTs from $SU\left(2\right)$ with ﬂavors

10.4.2 Exceptional theories of Minahan-Nemeschansky

10.4.3 Newer rank-1 theories

10.5 More general Argyres-Douglas CFTs: ${X}_{N}$ and ${Y}_{N}$