Geometry of continued fractions

Traditionally a subject of number theory, continued fractions appear in dynamical systems, algebraic geometry, topology, and even celestial mechanics. The rise of computational geometry has resulted in renewed interest in multidimensional generalizations of continued fractions. Numerous classical th...

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Autore principale: Karpenkov, Oleg
Natura: Livre numérique
Lingua:Anglais
Pubblicazione: Berlin, Heidelberg : Springer Berlin Heidelberg [20..].
Cham : Springer Nature
Edizione:1st ed. 2013.
Serie:Algorithms and Computation in Mathematics 26
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Edition sous un autre format:• Geometry of continued fractions, Oleg Karpenkov, Berlin, Springer, 2013, 1 vol. (XVII-405 p.), Algorithms and computation in mathematics, 978-3-642-39367-9, Texte imprimé
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505 1 |a Preface Introduction Part 1. Regular continued fractions: Chapter 1. Classical notions and definitions Chapter 2. On integer geometry Chapter 3. Geometry of regular continued fractions Chapter 4. Complete invariant of integer angles Chapter 5. Integer trigonometry for integer angles Chapter 6. Integer angles of integer triangles Chapter 7. Continued fractions and SL(2; Z) conjugacy classes. Elements of Gauss Reduction Theory. Markoff spectrum Chapter 8. Lagrange theorem Chapter 9. Gauss-Kuzmin statistics Chapter 10. Geometric approximation aspects Chapter 11. Geometry of continued fractions with real elements and the second Kepler law Chapter 12. Integer angles of polygons and global relations to toric singularities Part 2. Klein polyhedra: Chapter 13. Basic notions and definitions of multidimensional integer geometry Chapter 14. On empty simplices, pyramids, parallelepipeds Chapter 15. Multidimensional continued fractions in the sense of Klein Chapter 16. Dirichlet groups and lattice reduction Chapter 17. Periodicity of Klein polyhedra. Generalization of Lagrange theorem Chapter 18. Multidimensional Gauss-Kuzmin statistics Chapter 19. On construction of multidimensional continued fractions Chapter 20. Gauss Reduction in higher dimensions Chapter 21. Decomposable forms. Relation to Littlewood and Oppenheim conjectures Chapter 22. Approximation of maximal commutative subgroups Chapter 23. Other generalizations of continued fractions Bibliography 
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520 |a Traditionally a subject of number theory, continued fractions appear in dynamical systems, algebraic geometry, topology, and even celestial mechanics. The rise of computational geometry has resulted in renewed interest in multidimensional generalizations of continued fractions. Numerous classical theorems have been extended to the multidimensional case, casting light on phenomena in diverse areas of mathematics. This book introduces a new geometric vision of continued fractions. It covers several applications to questions related to such areas as Diophantine approximation, algebraic number theory, and toric geometry.   The reader will find an overview of current progress in the geometric theory of multidimensional continued fractions accompanied by currently open problems. Whenever possible, we illustrate geometric constructions with figures and examples. Each chapter has exercises useful for undergraduate or graduate courses 
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