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Harborth Constants for Certain Classes of Metacyclic Groups. (arXiv:1807.04785v1 [math.CO])
来源于:arXiv
The Harborth constant of a finite group $G$ is the smallest integer $k\geq
\exp(G)$ such that any subset of $G$ of size $k$ contains $\exp(G)$ distinct
elements whose product is $1$. Generalizing previous work on the Harborth
constants of dihedral groups, we compute the Harborth constants for the
metacyclic groups of the form $H_{n, m}=\langle x, y \mid x^n=1, y^2=x^m,
yx=x^{-1}y \rangle$. We also solve the "inverse" problem of characterizing all
smaller subsets that do not contain $\exp(H_{n,m})$ distinct elements whose
product is $1$. 查看全文>>