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Algebraic geometry --- 512 --- Algebra --- Fundamental groups (Mathematics) --- Geometry, Algebraic. --- Schemes (Algebraic geometry) --- Topological groups. --- 512 Algebra --- Fundamental groups (Mathematics). --- Schemes (Algebraic geometry). --- Géométrie algébrique
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In the more than 100 years since the fundamental group was first introduced by Henri Poincaré it has evolved to play an important role in different areas of mathematics. Originally conceived as part of algebraic topology, this essential concept and its analogies have found numerous applications in mathematics that are still being investigated today, and which are explored in this volume, the result of a meeting at Heidelberg University that brought together mathematicians who use or study fundamental groups in their work with an eye towards applications in arithmetic. The book acknowledges the varied incarnations of the fundamental group: pro-finite, ℓ-adic, p-adic, pro-algebraic and motivic. It explores a wealth of topics that range from anabelian geometry (in particular the section conjecture), the ℓ-adic polylogarithm, gonality questions of modular curves, vector bundles in connection with monodromy, and relative pro-algebraic completions, to a motivic version of Minhyong Kim's non-abelian Chabauty method and p-adic integration after Coleman. The editor has also included the abstracts of all the talks given at the Heidelberg meeting, as well as the notes on Coleman integration and on Grothendieck's fundamental group with a view towards anabelian geometry taken from a series of introductory lectures given by Amnon Besser and Tamás Szamuely, respectively.
Fundamental groups (Mathematics). --- Fundamental groups (Mathematics) -- Congresses. --- Fundamental groups (Mathematics) --- Geometry, Algebraic --- Mathematics --- Physical Sciences & Mathematics --- Geometry --- Algebra --- Mathematics. --- Algebraic geometry. --- Number theory. --- Topology. --- Number Theory. --- Algebraic Geometry. --- Group theory --- Geometry, algebraic. --- Analysis situs --- Position analysis --- Rubber-sheet geometry --- Polyhedra --- Set theory --- Algebras, Linear --- Algebraic geometry --- Number study --- Numbers, Theory of
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Kählerian manifolds. --- Fundamental groups (Mathematics) --- Variétés kählériennes --- Groupe fondamental (Mathématiques) --- Kahlerian manifolds. --- 515.16 --- Group theory --- Geometry, Differential --- Kählerian structures --- Manifolds (Mathematics) --- Topology of manifolds --- 515.16 Topology of manifolds --- Kählerian manifolds. --- Variétés kählériennes --- Groupe fondamental (Mathématiques) --- Kählerian manifolds
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The 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.
Rational points (Geometry) --- Fundamental groups (Mathematics) --- Geometry, Algebraic --- Non-Abelian groups --- Number theory --- Mathematics --- Physical Sciences & Mathematics --- Geometry --- Geometry, Algebraic. --- Non-Abelian groups. --- Number theory. --- Points, Rational (Geometry) --- Number study --- Numbers, Theory of --- Groups, Non-Abelian --- Groups, Nonabelian --- Nonabelian groups --- Algebraic geometry --- Mathematics. --- Algebraic geometry. --- Algebraic Geometry. --- Number Theory. --- Algebra --- Math --- Science --- Group theory --- Arithmetical algebraic geometry --- Geometry, algebraic.
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Group theory --- Group theory. --- Three-manifolds (Topology) --- Fundamental groups (Mathematics) --- Groupes, Théorie des --- Variétés topologiques à 3 dimensions --- Groupe fondamental (Mathématiques) --- 51 <082.1> --- Mathematics--Series --- Théorie des groupes --- Théorie des groupes --- Variétés topologiques à 3 dimensions --- Groupe fondamental (Mathématiques) --- 3-manifolds (Topology) --- Manifolds, Three dimensional (Topology) --- Three-dimensional manifolds (Topology) --- Low-dimensional topology --- Topological manifolds --- Groups, Theory of --- Substitutions (Mathematics) --- Algebra
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