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Chasing robbers on random graphs: Zigzag theorem
Authors:Tomasz ?uczak  Pawe? Pra?at
Institution:1. Adam Mickiewicz University, Collegium Mathematicum, 61‐614 Poznań, Poland;2. Department of Mathematics, West Virginia University, Morgantown, West Virginia 26506‐6310
Abstract:In this paper, we study the vertex pursuit game of Cops and Robbers where cops try to capture a robber on the vertices of the graph. The minimum number of cops required to win on a given graph G is the cop number of G. We present asymptotic results for the game of Cops and Robber played on a random graph G(n,p) for a wide range of p = p(n). It has been shown that the cop number as a function of an average degree forms an intriguing zigzag shape. © 2010 Wiley Periodicals, Inc. Random Struct. Alg., 2010
Keywords:random graphs  complex networks  vertex‐pursuit games  Cops and Robbers  domination  adjacency property
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