Deformation Spaces PDF Download
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Author | : Hossein Abbaspour |
Publisher | : Springer Science & Business Media |
Total Pages | : 174 |
Release | : 2010-04-21 |
Genre | : Mathematics |
ISBN | : 3834896802 |
Download Deformation Spaces Book in PDF, ePub and Kindle
The first instances of deformation theory were given by Kodaira and Spencer for complex structures and by Gerstenhaber for associative algebras. Since then, deformation theory has been applied as a useful tool in the study of many other mathematical structures, and even today it plays an important role in many developments of modern mathematics. This volume collects a few self-contained and peer-reviewed papers by experts which present up-to-date research topics in algebraic and motivic topology, quantum field theory, algebraic geometry, noncommutative geometry and the deformation theory of Poisson algebras. They originate from activities at the Max-Planck-Institute for Mathematics and the Hausdorff Center for Mathematics in Bonn.
Author | : Robin Hartshorne |
Publisher | : Springer Science & Business Media |
Total Pages | : 241 |
Release | : 2009-12-10 |
Genre | : Mathematics |
ISBN | : 1441915958 |
Download Deformation Theory Book in PDF, ePub and Kindle
The basic problem of deformation theory in algebraic geometry involves watching a small deformation of one member of a family of objects, such as varieties, or subschemes in a fixed space, or vector bundles on a fixed scheme. In this new book, Robin Hartshorne studies first what happens over small infinitesimal deformations, and then gradually builds up to more global situations, using methods pioneered by Kodaira and Spencer in the complex analytic case, and adapted and expanded in algebraic geometry by Grothendieck. The author includes numerous exercises, as well as important examples illustrating various aspects of the theory. This text is based on a graduate course taught by the author at the University of California, Berkeley.
Author | : Ali Baklouti |
Publisher | : Walter de Gruyter GmbH & Co KG |
Total Pages | : 498 |
Release | : 2022-07-05 |
Genre | : Mathematics |
ISBN | : 3110765306 |
Download Deformation Theory of Discontinuous Groups Book in PDF, ePub and Kindle
This book contains the latest developments of the theory of discontinuous groups acting on homogenous spaces, from basic concepts to a comprehensive exposition. It develops the newest approaches and methods in the deformation theory of topological modules and unitary representations and focuses on the geometry of discontinuous groups of solvable Lie groups and their compact extensions. It also presents proofs of recent results, computes fundamental examples, and serves as an introduction and reference for students and experienced researchers in Lie theory, discontinuous groups, and deformation (and moduli) spaces.
Author | : Richard Douglas Canary |
Publisher | : American Mathematical Soc. |
Total Pages | : 238 |
Release | : 2004 |
Genre | : Mathematics |
ISBN | : 0821835491 |
Download Homotopy Equivalences of 3-Manifolds and Deformation Theory of Kleinian Groups Book in PDF, ePub and Kindle
Three volume narrative history of 20th century.
Author | : Edoardo Sernesi |
Publisher | : Springer Science & Business Media |
Total Pages | : 343 |
Release | : 2007-04-20 |
Genre | : Mathematics |
ISBN | : 3540306153 |
Download Deformations of Algebraic Schemes Book in PDF, ePub and Kindle
This account of deformation theory in classical algebraic geometry over an algebraically closed field presents for the first time some results previously scattered in the literature, with proofs that are relatively little known, yet relevant to algebraic geometers. Many examples are provided. Most of the algebraic results needed are proved. The style of exposition is kept at a level amenable to graduate students with an average background in algebraic geometry.
Author | : Pierre Bieliavsky |
Publisher | : American Mathematical Soc. |
Total Pages | : 166 |
Release | : 2015-06-26 |
Genre | : Mathematics |
ISBN | : 1470414910 |
Download Deformation Quantization for Actions of Kahlerian Lie Groups Book in PDF, ePub and Kindle
Let B be a Lie group admitting a left-invariant negatively curved Kählerian structure. Consider a strongly continuous action of B on a Fréchet algebra . Denote by the associated Fréchet algebra of smooth vectors for this action. In the Abelian case BR and isometric, Marc Rieffel proved that Weyl's operator symbol composition formula (the so called Moyal product) yields a deformation through Fréchet algebra structures R on . When is a -algebra, every deformed Fréchet algebra admits a compatible pre- -structure, hence yielding a deformation theory at the level of -algebras too. In this memoir, the authors prove both analogous statements for general negatively curved Kählerian groups. The construction relies on the one hand on combining a non-Abelian version of oscillatory integral on tempered Lie groups with geom,etrical objects coming from invariant WKB-quantization of solvable symplectic symmetric spaces, and, on the second hand, in establishing a non-Abelian version of the Calderón-Vaillancourt Theorem. In particular, the authors give an oscillating kernel formula for WKB-star products on symplectic symmetric spaces that fiber over an exponential Lie group.
Author | : Paul Igodt |
Publisher | : American Mathematical Soc. |
Total Pages | : 330 |
Release | : 2000 |
Genre | : Mathematics |
ISBN | : 082182001X |
Download Crystallographic Groups and Their Generalizations Book in PDF, ePub and Kindle
This volume contains articles written by the invited speakers and workshop participants from the conference on "Crystallographic Groups and Their Generalizations", held at Katholieke Universiteit Leuven, Kortrijk (Belgium). Presented are recent developments and open problems. Topics include the theory of affine structures and polynomial structures, affine Schottky groups and crooked tilings, theory and problems on the geometry of finitely generated solvable groups, flat Lorentz 3-manifolds and Fuchsian groups, filiform Lie algebras, hyperbolic automorphisms and Anosov diffeomorphisms on infra-nilmanifolds, localization theory of virtually nilpotent groups and aspherical spaces, projective varieties, and results on affine appartment systems. Participants delivered high-level research mathematics and a discussion was held forum for new researchers. The survey results and original papers contained in this volume offer a comprehensive view of current developments in the field.
Author | : Hanlin Chen |
Publisher | : Frontiers Media SA |
Total Pages | : 392 |
Release | : 2022-11-04 |
Genre | : Science |
ISBN | : 2832503969 |
Download Continental Basin and Orogenic Processes: Deep Structure, Tectonic Deformation, and Dynamics Book in PDF, ePub and Kindle
Author | : Kyung Bai Lee |
Publisher | : American Mathematical Soc. |
Total Pages | : 418 |
Release | : 2010-11-24 |
Genre | : Mathematics |
ISBN | : 0821852310 |
Download Seifert Fiberings Book in PDF, ePub and Kindle
Seifert fiberings extend the notion of fiber bundle mappings by allowing some of the fibers to be singular. Away from the singular fibers, the fibering is an ordinary bundle with fiber a fixed homogeneous space. The singular fibers are quotients of this homogeneous space by distinguished groups of homeomorphisms. These fiberings are ubiquitous and important in mathematics. This book describes in a unified way their structure, how they arise, and how they are classified and used in applications. Manifolds possessing such fiber structures are discussed and range from the classical three-dimensional Seifert manifolds to higher dimensional analogues encompassing, for example, flat manifolds, infra-nil-manifolds, space forms, and their moduli spaces. The necessary tools not covered in basic graduate courses are treated in considerable detail. These include transformation groups, cohomology of groups, and needed Lie theory. Inclusion of the Bieberbach theorems, existence, uniqueness, and rigidity of Seifert fiberings, aspherical manifolds, symmetric spaces, toral rank of spherical space forms, equivariant cohomology, polynomial structures on solv-manifolds, fixed point theory, and other examples, exercises and applications attest to the breadth of these fiberings. This is the first time the scattered literature on singular fiberings is brought together in a unified approach. The new methods and tools employed should be valuable to researchers and students interested in geometry and topology.
Author | : Murray Gerstenhaber |
Publisher | : American Mathematical Soc. |
Total Pages | : 388 |
Release | : 1992 |
Genre | : Mathematics |
ISBN | : 0821851411 |
Download Deformation Theory and Quantum Groups with Applications to Mathematical Physics Book in PDF, ePub and Kindle
Quantum groups are not groups at all, but special kinds of Hopf algebras of which the most important are closely related to Lie groups and play a central role in the statistical and wave mechanics of Baxter and Yang. Those occurring physically can be studied as essentially algebraic and closely related to the deformation theory of algebras (commutative, Lie, Hopf, and so on). One of the oldest forms of algebraic quantization amounts to the study of deformations of a commutative algebra A (of classical observables) to a noncommutative algebra A*h (of operators) with the infinitesimal deformation given by a Poisson bracket on the original algebra A. This volume grew out of an AMS--IMS--SIAM Joint Summer Research Conference, held in June 1990 at the University of Massachusetts at Amherst. The conference brought together leading researchers in the several areas mentioned and in areas such as ``q special functions'', which have their origins in the last century but whose relevance to modern physics has only recently been understood. Among the advances taking place during the conference was Majid's reconstruction theorem for Drinfel$'$d's quasi-Hopf algebras. Readers will appreciate this snapshot of some of the latest developments in the mathematics of quantum groups and deformation theory.