cohomology algebra

例句：

1. 1. In the study oftopology, cohomology algebra plays a crucial role in determining theconnectivity of spaces.
   在拓扑学研究中，共形代数在确定空间连通性方面起着至关重要的作用。
2. 2. The cohomology algebra of a space isused to describe its homology groups,which are important for understanding the structure ofthe space.
   一个空间的共形代数用于描述其同伦群，这对于理解空间的结构非常重要。
3. 3. The cohomology algebraof a manifold isrelated to the topology of themanifold, and it has beenused to study the properties of different typesof manifolds.
   一个流形的共形代数与流形的拓扑有关，并且已经被用来研究不同类型流形的性质。