论文标题

在经典组的Cayley图的直径上,具有包含TransTrive的生成集

On the diameter of Cayley graphs of classical groups with generating sets containing a transvection

论文作者

Garonzi, Martino, Halasi, Zoltán, Somlai, Gábor

论文摘要

Babai的一个众所周知的猜想指出,如果$ g $是任何有限的简单组,而$ x $是$ g $的生成集,那么Cayley Graph $ cay(G,x)$的直径由$ \ log | g |^c $界定,用于某些通用常数$ c $。在本文中,我们证明了$ cay(g,x)$ for $ g = psl(n,q),psp(n,q)$或$ psu(n,q)$的限制,其中$ q $是奇怪的,在假设$ x $包含Transvection和$ q \ neq 9 $或$ 81 $的情况下。

A well-known conjecture of Babai states that if $G$ is any finite simple group and $X$ is a generating set for $G$, then the diameter of the Cayley graph $Cay(G,X)$ is bounded by $\log|G|^c$ for some universal constant $c$. In this paper, we prove such a bound for $Cay(G,X)$ for $G=PSL(n,q),PSp(n,q)$ or $PSU(n,q)$ where $q$ is odd, under the assumptions that $X$ contains a transvection and $q\neq 9$ or $81$.

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