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Full Description
This exploration of the relation between periods and transcendental numbers brings Baker's theory of linear forms in logarithms into its most general framework, the theory of 1-motives. Written by leading experts in the field, it contains original results and finalises the theory of linear relations of 1-periods, answering long-standing questions in transcendence theory. It provides a complete exposition of the new theory for researchers, but also serves as an introduction to transcendence for graduate students and newcomers. It begins with foundational material, including a review of the theory of commutative algebraic groups and the analytic subgroup theorem as well as the basics of singular homology and de Rham cohomology. Part II addresses periods of 1-motives, linking back to classical examples like the transcendence of π, before the authors turn to periods of algebraic varieties in Part III. Finally, Part IV aims at a dimension formula for the space of periods of a 1-motive in terms of its data.
Contents
Prologue; Acknowledgments; 1. Introduction; Part I. Foundations: 2. Basics on categories; 3. Homology and cohomology; 4. Commutative algebraic groups; 5. Lie groups; 6. The analytic subgroup theorem; 7. The formalism of the period conjecture; Part II. Periods of Deligne 1-Motives: 8. Deligne's 1-motives; 9. Periods of 1-motives; 10. First examples; 11. On non-closed elliptic periods; Part III. Periods of Algebraic Varieties: 12. Periods of algebraic varieties; 13. Relations between periods; 14. Vanishing of periods of curves; Part IV. Dimensions of Period Spaces: 15. Dimension computations: an estimate; 16. Structure of the period space; 17. Incomplete periods of the third kind; 18. Elliptic curves; 19. Values of hypergeometric functions; Part V. Appendices: A. Nori motives; B. Voevodsky motives; C. Comparison of realisations; List of Notations; References; Index.
