Topic: Topology (Undergraduate)

The Subbasis Criterion for Generated Topologies

The Sup Metric and Maximum Coordinate Error

The Subbasis Criterion for Continuity

The Stone-Cech Evaluation Embedding

The Standard Topology on the Real Line

The Sphere from a Polygonal Disk

The Sorgenfrey Plane: Separable But Not Lindelof

The Sorgenfrey Plane Is Not Normal

The Sorgenfrey Line: Separable But Not Second Countable

The Sorgenfrey Line Is Normal