Abstract
As stated before, initially a Boolean control network (BCN) (see \documentclass[12pt]{minimal}
\usepackage{amsmath}
\usepackage{wasysym}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{amsbsy}
\usepackage{mathrsfs}
\usepackage{upgreek}
\setlength{\oddsidemargin}{-69pt}
\begin{document}$$\Sigma _1$$\end{document} in Fig. 3.1) was in a state, then as inputs were fed into the BCN one by one, state transitions occurred successively, yielding a sequence of outputs. What may interest us is: Could the above process be reversed? That is, whether there exists another BCN (see \documentclass[12pt]{minimal}
\usepackage{amsmath}
\usepackage{wasysym}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{amsbsy}
\usepackage{mathrsfs}
\usepackage{upgreek}
\setlength{\oddsidemargin}{-69pt}
\begin{document}$$\Sigma _2$$\end{document} in Fig. 3.1) that reverses the inputs and outputs of \documentclass[12pt]{minimal}
\usepackage{amsmath}
\usepackage{wasysym}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{amsbsy}
\usepackage{mathrsfs}
\usepackage{upgreek}
\setlength{\oddsidemargin}{-69pt}
\begin{document}$$\Sigma _1$$\end{document}. In this chapter, we prove a series of fundamental results on this problem, and apply these results to the mammalian cell cycle.