Combinatorial Topology Author:P. S. Aleksandrov, P. Alexandrov Fundamental topological facts, together with detailed explanations of the necessary technical apparatus, constitute this clearly written, well-organized three-part text. Part 1 deals with certain classic problems without using the formal techniques of homology theory; parts 2 and 3 focus on the central concept of combinatorial topology, the Bett... more »i groups. Numerous detailed examples.« less