FINDING AND ANALYZING THE MINIMUM SET OF DRIVER NODES IN CONTROL OF BOOLEAN NETWORKS

Author:

HOU WENPIN1,TAMURA TAKEYUKI2,CHING WAI-KI1,AKUTSU TATSUYA2ORCID

Affiliation:

1. Department of Mathematics, The University of Hong Kong, Pokfulam Road, Hong Kong 999077, Hong Kong

2. Bioinformatics Center, Institute for Chemical Research, Kyoto University, Kyoto 611-0011, Japan

Abstract

We study the minimum number of driver nodes control of which leads a Boolean network (BN) from an initial state to a target state in a specified number of time steps. We show that the problem is NP-hard and present an integer linear programming-based method that solves the problem exactly. We mathematically analyze the average size of the minimum set of driver nodes for random Boolean networks with bounded in-degree and with a small number of time steps. The results of computational experiments using randomly generated BNs show good agreements with theoretical analyses. A further examination in realistic BNs demonstrates the efficiency and generality of our theoretical analyses.

Funder

Japan Society for the Promotion of Science

Publisher

World Scientific Pub Co Pte Lt

Subject

Control and Systems Engineering

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