Textbook Title: Galois Groups and Fundamental Groups
This free online textbook presents the connection starting at an elementary level, showing how the judicious use of algebraic geometry gives access to the powerful interplay between algebra and topology that underpins much modern research in geometry and number theory.
Author: Tamas Szamuely
Key words: Mathematics, Algebra, Topology, Number Theory
Download URL: http://www.renyi.hu/~szamuely/fg.pdf