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  • af Umberto Zannier
    272,95 kr.

    This book contains expositions of talks of the Colloquio De Giorgi, given by eminent experts and addressed to a 'general' public (audience) of mathematicians. The topics are prepared in such a way that readers will get some idea of recent progress in several mathematical fields.

  • af Umberto Zannier, Michel Waldschmidt, David Masser, mfl.
    591,95 kr.

  • af Umberto Zannier
    1.178,95 - 1.994,95 kr.

    This book considers the so-called Unlikely Intersections, a topic that embraces well-known issues, such as Lang's and Manin-Mumford's, concerning torsion points in subvarieties of tori or abelian varieties. More generally, the book considers algebraic subgroups that meet a given subvariety in a set of unlikely dimension. The book is an expansion of the Hermann Weyl Lectures delivered by Umberto Zannier at the Institute for Advanced Study in Princeton in May 2010. The book consists of four chapters and seven brief appendixes, the last six by David Masser. The first chapter considers multiplicative algebraic groups, presenting proofs of several developments, ranging from the origins to recent results, and discussing many applications and relations with other contexts. The second chapter considers an analogue in arithmetic and several applications of this. The third chapter introduces a new method for approaching some of these questions, and presents a detailed application of this (by Masser and the author) to a relative case of the Manin-Mumford issue. The fourth chapter focuses on the Andre-Oort conjecture (outlining work by Pila).

  • af Umberto Zannier
    238,95 kr.

    The contents mainly concern diophantine problems on affine curves, in practice describing the integer solutions of equations in two variables. Starting with linear and quadratic equations, the important connections with Diophantine Approximation are presented and Thue's celebrated results are proved in full detail.