Mathematics

Higher-Dimensional Algebraic Geometry

Author: Olivier Debarre

Publisher: Springer Science & Business Media

ISBN: 147575406X

Category: Mathematics

Page: 234

View: 7881

The classification theory of algebraic varieties is the focus of this book. This very active area of research is still developing, but an amazing quantity of knowledge has accumulated over the past twenty years. The authors goal is to provide an easily accessible introduction to the subject. The book starts with preparatory and standard definitions and results, then moves on to discuss various aspects of the geometry of smooth projective varieties with many rational curves, and finishes in taking the first steps towards Moris minimal model program of classification of algebraic varieties by proving the cone and contraction theorems. The book is well-organized and the author has kept the number of concepts that are used but not proved to a minimum to provide a mostly self-contained introduction.
Mathematics

Geometry of Higher Dimensional Algebraic Varieties

Author: Thomas Peternell,Joichi Miyaoka

Publisher: Birkhäuser

ISBN: 3034888937

Category: Mathematics

Page: 218

View: 1997

This book is based on lecture notes of a seminar of the Deutsche Mathematiker Vereinigung held by the authors at Oberwolfach from April 2 to 8, 1995. It gives an introduction to the classification theory and geometry of higher dimensional complex-algebraic varieties, focusing on the tremendeous developments of the sub ject in the last 20 years. The work is in two parts, with each one preceeded by an introduction describing its contents in detail. Here, it will suffice to simply ex plain how the subject matter has been divided. Cum grano salis one might say that Part 1 (Miyaoka) is more concerned with the algebraic methods and Part 2 (Peternell) with the more analytic aspects though they have unavoidable overlaps because there is no clearcut distinction between the two methods. Specifically, Part 1 treats the deformation theory, existence and geometry of rational curves via characteristic p, while Part 2 is principally concerned with vanishing theorems and their geometric applications. Part I Geometry of Rational Curves on Varieties Yoichi Miyaoka RIMS Kyoto University 606-01 Kyoto Japan Introduction: Why Rational Curves? This note is based on a series of lectures given at the Mathematisches Forschungsin stitut at Oberwolfach, Germany, as a part of the DMV seminar "Mori Theory". The construction of minimal models was discussed by T.
Mathematics

Classification of Higher Dimensional Algebraic Varieties

Author: Christopher D. Hacon,Sándor Kovács

Publisher: Springer Science & Business Media

ISBN: 3034602901

Category: Mathematics

Page: 220

View: 1764

Higher Dimensional Algebraic Geometry presents recent advances in the classification of complex projective varieties. Recent results in the minimal model program are discussed, and an introduction to the theory of moduli spaces is presented.
Technology & Engineering

The Geometry of Moduli Spaces of Sheaves

A Publication of the Max-Planck-Institut für Mathematik, Bonn

Author: Daniel Huybrechts,Manfred Lehn

Publisher: Vieweg+Teubner Verlag

ISBN: 9783663116257

Category: Technology & Engineering

Page: 270

View: 7704

This book is intended to serve as an introduction to the theory of semistable sheaves and at the same time to provide a survey of recent research results on the geometry of moduli spaces. The first part introduces the basic concepts in the theory: Hilbert polynomial, slope, stability, Harder-Narasimhan filtration, Grothendieck's Quot-scheme. It presents detailed proofs of the Grauert-Mülich Theorem, the Bogomolov Inequality, the semistability of tensor products, and the boundedness of the family of semistable sheaves. It also gives a self-contained account of the construction of moduli spaces of semistable sheaves on a projective variety à la Gieseker, Maruyama, and Simpson. The second part presents some of the recent results of the geometry of moduli spaces of sheaves on an algebraic surface, following work of Mukai, O'Grady, Gieseker, Li and many others. In particular, moduli spaces of sheaves on K3 surfaces and determinant line bundles on the moduli spaces are treated in some detail. Other topics include the Serre correspondence, restriction of stable bundles to curves, symplectic structures, irreducibility and Kodaira-dimension of moduli spaces.
Mathematics

Arithmetic of Higher-Dimensional Algebraic Varieties

Author: Bjorn Poonen,Yuri Tschinkel

Publisher: Springer Science & Business Media

ISBN: 0817681701

Category: Mathematics

Page: 287

View: 3147

This text offers a collection of survey and research papers by leading specialists in the field documenting the current understanding of higher dimensional varieties. Recently, it has become clear that ideas from many branches of mathematics can be successfully employed in the study of rational and integral points. This book will be very valuable for researchers from these various fields who have an interest in arithmetic applications, specialists in arithmetic geometry itself, and graduate students wishing to pursue research in this area.
Mathematics

Algebraic geometry, Sendai, 1985

Author: Tadao Oda

Publisher: Elsevier Science Ltd

ISBN: N.A

Category: Mathematics

Page: 794

View: 8729

This guide to algebraic geometry covers the active areas of the subject: birational geometry of higher dimensional algebraic varieties, Kauml;hler manifolds and analytic varieties, abelian varieties, arithmetic algebraic geometry, rigid analytic spaces, cycles and vector bundles on algebraic varieties, mixed Hodge structures, period maps for K3 surfaces and for isolated singularities. Many of the papers not only contain original results, but also survey the particular topics covered.
Mathematics

Rational Curves on Algebraic Varieties

Author: Janos Kollar

Publisher: Springer Science & Business Media

ISBN: 3662032767

Category: Mathematics

Page: 321

View: 4036

The aim of this book is to provide an introduction to the structure theory of higher dimensional algebraic varieties by studying the geometry of curves, especially rational curves, on varieties. The main applications are in the study of Fano varieties and of related varieties with lots of rational curves on them. This Ergebnisse volume provides the first systematic introduction to this field of study. The book contains a large number of examples and exercises which serve to illustrate the range of the methods and also lead to many open questions of current research.
Mathematics

Higher-Dimensional Geometry Over Finite Fields

Author: D. Kaledin,Y. Tschinkel

Publisher: IOS Press

ISBN: 1607503255

Category: Mathematics

Page: 356

View: 8980

Number systems based on a finite collection of symbols, such as the 0s and 1s of computer circuitry, are ubiquitous in the modern age. Finite fields are the most important such number systems, playing a vital role in military and civilian communications through coding theory and cryptography. These disciplines have evolved over recent decades, and where once the focus was on algebraic curves over finite fields, recent developments have revealed the increasing importance of higher-dimensional algebraic varieties over finite fields. The papers included in this publication introduce the reader to recent developments in algebraic geometry over finite fields with particular attention to applications of geometric techniques to the study of rational points on varieties over finite fields of dimension of at least 2.
Mathematics

Algebraic Geometry

A Volume in Memory of Paolo Francia

Author: Mauro C. Beltrametti,Fabrizio Catanese,Ciro Ciliberto,Antonio Lanteri,Claudio Pedrini

Publisher: Walter de Gruyter

ISBN: 311019807X

Category: Mathematics

Page: 365

View: 7675

The volume consists of invited refereed research papers. The contributions cover a wide spectrum in algebraic geometry, from motives theory to numerical algebraic geometry and are mainly focused on higher dimensional varieties and Minimal Model Program and surfaces of general type. A part of the articles grew out a Conference in memory of Paolo Francia (1951-2000) held in Genova in September 2001 with about 70 participants.
Mathematics

Coding Theory and Algebraic Geometry

Proceedings of the International Workshop held in Luminy, France, June 17-21, 1991

Author: Henning Stichtenoth,Michael A. Tsfasman

Publisher: Springer

ISBN: 3540472673

Category: Mathematics

Page: 232

View: 3822

About ten years ago, V.D. Goppa found a surprising connection between the theory of algebraic curves over a finite field and error-correcting codes. The aim of the meeting "Algebraic Geometry and Coding Theory" was to give a survey on the present state of research in this field and related topics. The proceedings contain research papers on several aspects of the theory, among them: Codes constructed from special curves and from higher-dimensional varieties, Decoding of algebraic geometric codes, Trace codes, Exponen- tial sums, Fast multiplication in finite fields, Asymptotic number of points on algebraic curves, Sphere packings.
Mathematics

Birationally Rigid Varieties

Author: Aleksandr V. Pukhlikov

Publisher: American Mathematical Soc.

ISBN: 0821894765

Category: Mathematics

Page: 367

View: 4277

Birational rigidity is a striking and mysterious phenomenon in higher-dimensional algebraic geometry. It turns out that certain natural families of algebraic varieties (for example, three-dimensional quartics) belong to the same classification type as the
Mathematics

Positivity in algebraic geometry 2

Author: R.K. Lazarsfeld,University of Michigan Staff

Publisher: Springer Science & Business Media

ISBN: 9783540225348

Category: Mathematics

Page: 385

View: 8105

This two volume work on "Positivity in Algebraic Geometry" contains a contemporary account of a body of work in complex algebraic geometry loosely centered around the theme of positivity. Topics in Volume I include ample line bundles and linear series on a projective variety, the classical theorems of Lefschetz and Bertini and their modern outgrowths, vanishing theorems, and local positivity. Volume II begins with a survey of positivity for vector bundles, and moves on to a systematic development of the theory of multiplier ideals and their applications. A good deal of this material has not previously appeared in book form, and substantial parts are worked out here in detail for the first time. At least a third of the book is devoted to concrete examples, applications, and pointers to further developments. Whereas Volume I is more elementary, the present Volume II is more at the research level and somewhat more specialized. Both volumes are also available as hardcover edition as Vols. 48 and 49 in the series "Ergebnisse der Mathematik und ihrer Grenzgebiete".
Mathematics

Higher Dimensional Varieties and Rational Points

Author: Károly Jr. Böröczky,János Kollár,Szamuely Tamas

Publisher: Springer Science & Business Media

ISBN: 3662051230

Category: Mathematics

Page: 310

View: 9713

Exploring the connections between arithmetic and geometric properties of algebraic varieties has been the object of much fruitful study for a long time, especially in the case of curves. The aim of the Summer School and Conference on "Higher Dimensional Varieties and Rational Points" held in Budapest, Hungary during September 2001 was to bring together students and experts from the arithmetic and geometric sides of algebraic geometry in order to get a better understanding of the current problems, interactions and advances in higher dimension. The lecture series and conference lectures assembled in this volume give a comprehensive introduction to students and researchers in algebraic geometry and in related fields to the main ideas of this rapidly developing area.
Geometry, Algebraic

Algebraic Geometry, Seattle 2005

2005 Summer Research Institute, July 25-August 12, 2005, University of Washington, Seattle, Washington

Author: Dan Abramovich

Publisher: American Mathematical Soc.

ISBN: 0821847031

Category: Geometry, Algebraic

Page: 1004

View: 6028

The 2005 AMS Summer Institute on Algebraic Geometry in Seattle was an enormous event. With over 500 participants, including many of the world's leading experts, it was perhaps the largest conference on algebraic geometry ever held. These two proceedings volumes present research and expository papers by some of the most outstanding speakers at the meeting, vividly conveying the grandeur and vigor of the subject. The most exciting topics in current algebraic geometry research receive very ample treatment. For instance, there is enlightening information on many of the latest technical tools, from jet schemes and derived categories to algebraic stacks. Numerous papers delve into the geometry of various moduli spaces, including those of stable curves, stable maps, coherent sheaves, and abelian varieties. Other papers discuss the recent dramatic advances in higher-dimensional bi rational geometry, while still others trace the influence of quantum field theory on algebraic geometry via mirror symmetry, Gromov - Witten invariants, and symplectic geometry. The proceedings of earlier algebraic geometry AMS Institutes, held at Woods Hole, Arcata, Bowdoin, and Santa Cruz, have become classics. The present volumes promise to be equally influential. They present the state of the art in algebraic geometry in papers that will have broad interest and enduring value.
Mathematics

Birational Geometry of Algebraic Varieties

Author: Janos Kollár,Shigefumi Mori

Publisher: Cambridge University Press

ISBN: 9780521060226

Category: Mathematics

Page: 254

View: 4634

This book provides the first comprehensive introduction to the circle of ideas developed around Mori's program.
Mathematics

Basic Algebraic Geometry 2

Schemes and Complex Manifolds

Author: Igor R. Shafarevich

Publisher: Springer Science & Business Media

ISBN: 3642380107

Category: Mathematics

Page: 262

View: 5236

Shafarevich's Basic Algebraic Geometry has been a classic and universally used introduction to the subject since its first appearance over 40 years ago. As the translator writes in a prefatory note, ``For all [advanced undergraduate and beginning graduate] students, and for the many specialists in other branches of math who need a liberal education in algebraic geometry, Shafarevich’s book is a must.'' The second volume is in two parts: Book II is a gentle cultural introduction to scheme theory, with the first aim of putting abstract algebraic varieties on a firm foundation; a second aim is to introduce Hilbert schemes and moduli spaces, that serve as parameter spaces for other geometric constructions. Book III discusses complex manifolds and their relation with algebraic varieties, Kähler geometry and Hodge theory. The final section raises an important problem in uniformising higher dimensional varieties that has been widely studied as the ``Shafarevich conjecture''. The style of Basic Algebraic Geometry 2 and its minimal prerequisites make it to a large extent independent of Basic Algebraic Geometry 1, and accessible to beginning graduate students in mathematics and in theoretical physics.