Topic: Gluing Constructions

Wedge Sums of Pointed Spaces

Universal Property of Disjoint Unions

Topology of Disjoint Unions

Suspensions as Two-Cone Gluings

Pushout Property of Adjunction Spaces

Maps Out of Suspensions

Maps Out of Wedge Sums

Mapping Cylinders as Map Factorizations

Mapping Cylinders and Their Quotient Topology

Deformation Retractions of Mapping Cylinders