Extension Of The Galois Theory To Linear Differential Equations
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| Author | : Marius van der Put |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 446 |
| Release | : 2012-12-06 |
| Genre | : Mathematics |
| ISBN | : 3642557503 |
From the reviews: "This is a great book, which will hopefully become a classic in the subject of differential Galois theory. [...] the specialist, as well as the novice, have long been missing an introductory book covering also specific and advanced research topics. This gap is filled by the volume under review, and more than satisfactorily." Mathematical Reviews
| Author | : Andy R. Magid |
| Publisher | : American Mathematical Soc. |
| Total Pages | : 119 |
| Release | : 1994 |
| Genre | : Mathematics |
| ISBN | : 0821870041 |
Differential Galois theory studies solutions of differential equations over a differential base field. In much the same way that ordinary Galois theory is the theory of field extensions generated by solutions of (one variable) polynomial equations, differential Galois theory looks at the nature of the differential field extension generated by the solution of differential equations. An additional feature is that the corresponding differential Galois groups (of automorphisms of the extension fixing the base and commuting with the derivation) are algebraic groups. This book deals with the differential Galois theory of linear homogeneous differential equations, whose differential Galois groups are algebraic matrix groups. In addition to providing a convenient path to Galois theory, this approach also leads to the constructive solution of the inverse problem of differential Galois theory for various classes of algebraic groups. Providing a self-contained development and many explicit examples, this book provides a unique approach to differential Galois theory and is suitable as a textbook at the advanced graduate level.
| Author | : Matthias Aschenbrenner |
| Publisher | : Princeton University Press |
| Total Pages | : 873 |
| Release | : 2017-06-06 |
| Genre | : Mathematics |
| ISBN | : 0691175438 |
Asymptotic differential algebra seeks to understand the solutions of differential equations and their asymptotics from an algebraic point of view. The differential field of transseries plays a central role in the subject. Besides powers of the variable, these series may contain exponential and logarithmic terms. Over the last thirty years, transseries emerged variously as super-exact asymptotic expansions of return maps of analytic vector fields, in connection with Tarski's problem on the field of reals with exponentiation, and in mathematical physics. Their formal nature also makes them suitable for machine computations in computer algebra systems. This self-contained book validates the intuition that the differential field of transseries is a universal domain for asymptotic differential algebra. It does so by establishing in the realm of transseries a complete elimination theory for systems of algebraic differential equations with asymptotic side conditions. Beginning with background chapters on valuations and differential algebra, the book goes on to develop the basic theory of valued differential fields, including a notion of differential-henselianity. Next, H-fields are singled out among ordered valued differential fields to provide an algebraic setting for the common properties of Hardy fields and the differential field of transseries. The study of their extensions culminates in an analogue of the algebraic closure of a field: the Newton-Liouville closure of an H-field. This paves the way to a quantifier elimination with interesting consequences.
| Author | : Nicholas M. Katz |
| Publisher | : Princeton University Press |
| Total Pages | : 448 |
| Release | : 1990-09-21 |
| Genre | : Mathematics |
| ISBN | : 9780691085999 |
This book is concerned with two areas of mathematics, at first sight disjoint, and with some of the analogies and interactions between them. These areas are the theory of linear differential equations in one complex variable with polynomial coefficients, and the theory of one parameter families of exponential sums over finite fields. After reviewing some results from representation theory, the book discusses results about differential equations and their differential galois groups (G) and one-parameter families of exponential sums and their geometric monodromy groups (G). The final part of the book is devoted to comparison theorems relating G and G of suitably "corresponding" situations, which provide a systematic explanation of the remarkable "coincidences" found "by hand" in the hypergeometric case.
| Author | : Juliusz Brzeziński |
| Publisher | : Springer |
| Total Pages | : 296 |
| Release | : 2018-03-21 |
| Genre | : Mathematics |
| ISBN | : 331972326X |
This textbook offers a unique introduction to classical Galois theory through many concrete examples and exercises of varying difficulty (including computer-assisted exercises). In addition to covering standard material, the book explores topics related to classical problems such as Galois’ theorem on solvable groups of polynomial equations of prime degrees, Nagell's proof of non-solvability by radicals of quintic equations, Tschirnhausen's transformations, lunes of Hippocrates, and Galois' resolvents. Topics related to open conjectures are also discussed, including exercises related to the inverse Galois problem and cyclotomic fields. The author presents proofs of theorems, historical comments and useful references alongside the exercises, providing readers with a well-rounded introduction to the subject and a gateway to further reading. A valuable reference and a rich source of exercises with sample solutions, this book will be useful to both students and lecturers. Its original concept makes it particularly suitable for self-study.
| Author | : Stephen Lovett |
| Publisher | : CRC Press |
| Total Pages | : 717 |
| Release | : 2015-07-13 |
| Genre | : Mathematics |
| ISBN | : 1482248913 |
A Discovery-Based Approach to Learning about Algebraic StructuresAbstract Algebra: Structures and Applications helps students understand the abstraction of modern algebra. It emphasizes the more general concept of an algebraic structure while simultaneously covering applications. The text can be used in a variety of courses, from a one-semester int
| Author | : Jacques Sauloy |
| Publisher | : American Mathematical Soc. |
| Total Pages | : 303 |
| Release | : 2016-12-07 |
| Genre | : Mathematics |
| ISBN | : 1470430959 |
Differential Galois theory is an important, fast developing area which appears more and more in graduate courses since it mixes fundamental objects from many different areas of mathematics in a stimulating context. For a long time, the dominant approach, usually called Picard-Vessiot Theory, was purely algebraic. This approach has been extensively developed and is well covered in the literature. An alternative approach consists in tagging algebraic objects with transcendental information which enriches the understanding and brings not only new points of view but also new solutions. It is very powerful and can be applied in situations where the Picard-Vessiot approach is not easily extended. This book offers a hands-on transcendental approach to differential Galois theory, based on the Riemann-Hilbert correspondence. Along the way, it provides a smooth, down-to-earth introduction to algebraic geometry, category theory and tannakian duality. Since the book studies only complex analytic linear differential equations, the main prerequisites are complex function theory, linear algebra, and an elementary knowledge of groups and of polynomials in many variables. A large variety of examples, exercises, and theoretical constructions, often via explicit computations, offers first-year graduate students an accessible entry into this exciting area.
| Author | : Tamás Szamuely |
| Publisher | : Cambridge University Press |
| Total Pages | : 281 |
| Release | : 2009-07-16 |
| Genre | : Mathematics |
| ISBN | : 0521888506 |
Assuming little technical background, the author presents the strong analogies between these two concepts starting at an elementary level.
| Author | : Kiran S. Kedlaya |
| Publisher | : Cambridge University Press |
| Total Pages | : 399 |
| Release | : 2010-06-10 |
| Genre | : Mathematics |
| ISBN | : 1139489208 |
Over the last 50 years the theory of p-adic differential equations has grown into an active area of research in its own right, and has important applications to number theory and to computer science. This book, the first comprehensive and unified introduction to the subject, improves and simplifies existing results as well as including original material. Based on a course given by the author at MIT, this modern treatment is accessible to graduate students and researchers. Exercises are included at the end of each chapter to help the reader review the material, and the author also provides detailed references to the literature to aid further study.
| Author | : Ellis Robert Kolchin |
| Publisher | : |
| Total Pages | : 271 |
| Release | : 1985 |
| Genre | : Differential algebraic groups |
| ISBN | : 9780124176409 |
