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AuthorHulsbergen, Wilfred W. J. author
TitleConjectures in Arithmetic Algebraic Geometry [electronic resource] : A Survey / by Wilfred W. J. Hulsbergen
ImprintWiesbaden : Vieweg+Teubner Verlag : Imprint: Vieweg+Teubner Verlag, 1994
Edition Second Revised Edition
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Descript VII, 246 p. online resource


In this expository text we sketch some interrelations between several famous conjectures in number theory and algebraic geometry that have intrigued mathยญ ematicians for a long period of time. Starting from Fermat's Last Theorem one is naturally led to introduce Lยญ functions, the main, motivation being the calculation of class numbers. In particยญ ular, Kummer showed that the class numbers of cyclotomic fields play a decisive role in the corroboration of Fermat's Last Theorem for a large class of exponents. Before Kummer, Dirichlet had already successfully applied his L-functions to the proof of the theorem on arithmetic progressions. Another prominent appearance of an L-function is Riemann's paper where the now famous Riemann Hypothesis was stated. In short, nineteenth century number theory showed that much, if not all, of number theory is reflected by properties of L-functions. Twentieth century number theory, class field theory and algebraic geomeยญ try only strengthen the nineteenth century number theorists's view. We just mention the work of E. H̃cke, E. Artin, A. Weil and A. Grothendieck with his collaborators. Heeke generalized Dirichlet's L-functions to obtain results on the distribution of primes in number fields. Artin introduced his L-functions as a non-abelian generalization of Dirichlet's L-functions with a generalization of class field theory to non-abelian Galois extensions of number fields in mind


1 The zero-dimensional case: number fields -- 2 The one-dimensional case: elliptic curves -- 3 The general formalism of L-functions, Deligne cohomology and Poincarรฉ duality theories -- 4 Riemann-Roch, K-theory and motivic cohomology -- 5 Regulators, Deligneโ{128}{153}s conjecture and Beilinsonโ{128}{153}s first conjecture -- 6 Beilinsonโ{128}{153}s second conjecture -- 7 Arithmetic intersections and Beilinsonโ{128}{153}s third conjecture -- 8 Absolute Hodge cohomology, Hodge and Tate conjectures and Abel-Jacobi maps -- 9 Mixed realizations, mixed motives and Hodge and Tate conjectures for singular varieties -- 10 Examples and Results -- 11 The Bloch-Kato conjecture

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