论文标题
预先跨的模块和机架同源
Pre-crossed modules and rack homology
论文作者
论文摘要
我们为预先涂抹的模块定义了同源理论，该理论指定了机架同源性在架子自由生成的情况下。
We define a homology theory for pre-crossed modules that specifies to rack homology in the case when the pre-crossed module is freely generated by a rack.
