Continuous-deformation schematic preserving one hole and connectivity without tearing or gluing.

Topology is concerned with the properties of a geometric object that are preserved under continuous deformations, such as stretching, twisting, crumpling and bending, but not tearing or gluing.

Topics

• General topology
• Algebraic topology
• Differential topology
• Geometric topology
• Generalizations

Topological Space

Topological Sorting