The dot-depth and the polynomial hierarchies correspond on the delta levels.

Bernd Borchert Klaus-Jörn Lange Frank Stephan Pascal Tesson Denis Thérien The dot-depth and the polynomial hierarchies correspond on the delta levels. 625-644 2005 16 Int. J. Found. Comput. Sci. 4 http://dx.doi.org/10.1142/S0129054105003200 db/journals/ijfcs/ijfcs16.html#BorchertLSTT05