“Algebraic Topology” can detect the Multi-dimensional neural network in our brain – by studying the Homology (同调) and co-Homology (上同调) with the help of Linear Algebra (multi-dim Matrix) & Computers. 43 more words

## Tags » Simplicial Complex

#### NJ Wildberger Lecture Series : Simplicial Complex (单纯 复形)

**Simplex **: 单纯 (*plural Simplices*)

0-dim (Point)

1-dim (Line)

2-dim (Triangle)

3-dim (Tetrahedron)

**Simplicial Complex**: 单纯復形 built by various Simplices under some rules. 33 more words