论文标题
有向图的棕色可表示
Brown representability for directed graphs
论文作者
论文摘要
我们证明，从有限的有限图的同型函数到满足添加性公理和Mayer-Vietoris Axiom的Abelian组的任何违反函数都是可表示的。
We prove that any contravariant functor from the homotopy category of finite directed graphs to abelian groups satisfying the additivity axiom and the Mayer-Vietoris axiom is representable.
