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Ever since the concepts of Galois groups in algebra and fundamental groups in topology emerged during the nineteenth century, mathematicians have known of the strong analogies between the two concepts. This book 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. Assuming as little technical background as possible, the book starts with basic algebraic and topological concepts, but already presented from the modern viewpoint advocated by Grothendieck. This enables a systematic yet accessible development of the theories of fundamental groups of algebraic curves, fundamental groups of schemes, and Tannakian fundamental groups. The connection between fundamental groups and linear differential equations is also developed at increasing levels of generality. Key applications and recent results, for example on the inverse Galois problem, are given throughout.Read more
- Provides key applications and recent results throughout
- A friendly introduction to material that isn't usually taught until advanced graduate level
- Class tested by the author with graduate and advanced undergraduate students
Reviews & endorsements
"The book is well written and contains much information about the etale fundamental group. There are exercises in every chapter. On the whole, the book is useful for mathematicians and graduate students looking for one place where they can find information about the etale fundamental group and the related Nori fundamental group scheme."
Swaminathan Subramanian, Mathematical Reviews
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- Date Published: August 2009
- format: Hardback
- isbn: 9780521888509
- length: 282 pages
- dimensions: 229 x 152 x 18 mm
- weight: 0.5kg
- contains: 60 exercises
- availability: Available
Table of Contents
1. Galois theory of fields
2. Fundamental groups in topology
3. Riemann surfaces
4. Fundamental groups of algebraic curves
5. Fundamental groups of schemes
6. Tannakian fundamental groups
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