Documents Algebraic Topolgy

Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix Standard Notations xii. Chapter 0. Some Underlying Geometric Notions . . . . . 1 Homotopy and…

Documents Geometric Group Theory

Geometric group theory From Wikipedia, the free encyclopedia Contents 1 (2,3,7) triangle group 1 1.1 Constructions . . . . . . . . . . . . . . . . . . . . . . . . . . . .…