Topic: Topology (Undergraduate)

Zero Sets and Cozero Sets of Continuous Functions

Zariski Topology on the Affine Line as a Cofinite Example

Worked Winding Numbers for Piecewise Loops

Worked Surface Identification Problems

Worked Tietze Extensions on Intervals and Finite Sets

Worked Problems on Basis and Subbasis Generation

Worked Problems on Countable Compact Products

Worked Path Lifting and Endpoint Calculations

Worked Problems in Homotopy Equivalence and Retraction

Worked Applications of the Lifting Criterion