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arXiv 1201.4367math.CO
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自同构群与对抗顶点删除

Automorphism Groups and Adversarial Vertex Deletions

Derrick Stolee

摘要:

任何有限群都可以编码为无标号单图的自同构群。最近,Hartke、Kolb、Nishikawa和Stolee(2010)证明了一种构造,该构造允许将任何有序的有限群对表示为图和顶点删除子图的自同构群。在这篇文章中,我们将一个广义的场景描述为一个玩家和一个对手之间的博弈:对手提供了一个有限群的列表和一些回合。玩家构造一个图,其自同构群同构于第一个群。在接下来的几轮中,对手选择一个群,玩家删除一个顶点,使得对应的顶点删除子图的自同构群同构于所选择的群。我们提供了一个结构,允许玩家适当地应对来自对手的任何挑战序列。

英文摘要:

Any finite group can be encoded as the automorphism group of an unlabeled simple graph. Recently Hartke, Kolb, Nishikawa, and Stolee (2010) demonstrated a construction that allows any ordered pair of finite groups to be represented as the automorphism group of a graph and a vertex-deleted subgraph. In this note, we describe a generalized scenario as a game between a player and an adversary: An adversary provides a list of finite groups and a number of rounds. The player constructs a graph with automorphism group isomorphic to the first group. In the following rounds, the adversary selects a group and the player deletes a vertex such that the automorphism group of the corresponding vertex-deleted subgraph is isomorphic to the selected group. We provide a construction that allows the player to appropriately respond to any sequence of challenges from the adversary.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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