Originally published in volume 4 of the Princeton University Press Mathematical Notes series. Based on lecture notes by Norman E. Steenrod. Originally published

Most texts on algebraic topology emphasize homological algebra, with topological considerations limited to a few propositions about the geometry of simplicial c

This book describes the construction and the properties of CW-complexes. These spaces are important because firstly they are the correct framework for homotopy

This book describes the construction and the properties of CW-complexes. These spaces are important because firstly they are the correct framework for homotopy