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OverviewThe section conjecture in anabelian geometry, announced by Grothendieck in 1983, is concerned with a description of the set of rational points of a hyperbolic algebraic curve over a number field in terms of the arithmetic of its fundamental group. While the conjecture is still open today in 2012, its study has revealed interesting arithmetic for curves and opened connections, for example, to the question whether the Brauer-Manin obstruction is the only one against rational points on curves. This monograph begins by laying the foundations for the space of sections of the fundamental group extension of an algebraic variety. Then, arithmetic assumptions on the base field are imposed and the local-to-global approach is studied in detail. The monograph concludes by discussing analogues of the section conjecture created by varying the base field or the type of variety, or by using a characteristic quotient or its birational analogue in lieu of the fundamental group extension. Full Product DetailsAuthor: Jakob StixPublisher: Springer-Verlag Berlin and Heidelberg GmbH & Co. KG Imprint: Springer-Verlag Berlin and Heidelberg GmbH & Co. K Edition: 2013 ed. Volume: 2054 Dimensions: Width: 15.50cm , Height: 1.40cm , Length: 23.50cm Weight: 4.161kg ISBN: 9783642306730ISBN 10: 364230673 Pages: 249 Publication Date: 19 October 2012 Audience: Professional and scholarly , Professional & Vocational Format: Paperback Publisher's Status: Active Availability: Manufactured on demand  We will order this item for you from a manufactured on demand supplier. Table of ContentsPart I Foundations of Sections.- 1 Continuous Non-abelian H1 with Profinite Coefficients.-2 The Fundamental Groupoid.- 3 Basic Geometric Operations in Terms of Sections.- 4 The Space of Sections as a Topological Space.- 5 Evaluation of Units.- 6 Cycle Classes in Anabelian Geometry.- 7 Injectivity in the Section Conjecture.- Part II Basic Arithmetic of Sections.- 7 Injectivity in the Section Conjecture.- 8 Reduction of Sections.- 9 The Space of Sections in the Arithmetic Case and the Section Conjecture in Covers.- Part III On the Passage from Local to Global.- 10 Local Obstructions at a p-adic Place.- 11 Brauer-Manin and Descent Obstructions.- 12 Fragments of Non-abelian Tate-Poitou Duality.- Part IV Analogues of the Section Conjecture.- 13 On the Section Conjecture for Torsors.- 14 Nilpotent Sections.- 15 Sections over Finite Fields.- 16 On the Section Conjecture over Local Fields.- 17 Fields of Cohomological Dimension 1.- 18 Cuspidal Sections and Birational Analogues.ReviewsFrom the book reviews: The book under review, resulting from the author's dissertation ... is both a research monograph and a thorough presentation of the arithmetic and geometry of Grothendieck's section conjecture from the foundations to the current state of the art. ... It will be useful not only to specialists, as it is accessible to anyone familiar with the basics of modern algebraic geometry and the theory of algebraic fundamental groups. (Marco A. Garuti, Mathematical Reviews, May, 2014) From the book reviews: The book under review, resulting from the author's dissertation ... is both a research monograph and a thorough presentation of the arithmetic and geometry of Grothendieck's section conjecture from the foundations to the current state of the art. ... It will be useful not only to specialists, as it is accessible to anyone familiar with the basics of modern algebraic geometry and the theory of algebraic fundamental groups. (Marco A. Garuti, Mathematical Reviews, May, 2014) From the book reviews: The book under review, resulting from the author's dissertation ... is both a research monograph and a thorough presentation of the arithmetic and geometry of Grothendieck's section conjecture from the foundations to the current state of the art. ... It will be useful not only to specialists, as it is accessible to anyone familiar with the basics of modern algebraic geometry and the theory of algebraic fundamental groups. (Marco A. Garuti, Mathematical Reviews, May, 2014) Author InformationTab Content 6Author Website:Countries AvailableAll regions |
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