# Critical Points at Infinity of Mixed Type

@inproceedings{Bahri2003CriticalPA,
title={Critical Points at Infinity of Mixed Type},
author={Abbas Bahri},
year={2003}
}
If a critical point at infinity $$\bar z$$ has some characteristic ξ-pieces and some noncharacteristic ξ-pieces, the definition of the cones of $$\bar z$$ changes and adapts, according also to whether $$\bar z$$ is of the third kind along these ξ-pieces or not.