论文标题
自由因素复合物和自由型组的二元模块
The free factor complex and the dualizing module for the automorphism group of a free group
论文作者
论文摘要
回答Hatcher-Vogtmann的问题，我们证明自由因素复合体的顶级同源组不是$ \ text {aut}（f_n）$的双重化模块，至少是$ n = 5 $。
Answering a question of Hatcher-Vogtmann, we prove that the top homology group of the free factor complex is not the dualizing module for $\text{Aut}(F_n)$, at least for $n = 5$.
