SimplicesCovers the concept of simplices in delta complexes and explains the standard n-simplex and the ordering of vertices.
Exam InformationCovers details of the upcoming theoretical exam, including structure and guidelines.
Direct Sums: Lemme 1.2Delves into direct sums of abelian groups, showcasing their coproduct properties and universal verification.
Natural Examples of Simplicial SetsIntroduces two fundamental examples of simplicial sets: the nerve of a small category and the singular simplicial set of a topological space.