Deformation Theory And Symplectic Geometry
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Deformation Theory and Symplectic Geometry
Author | : Daniel Sternheimer,John Rawnsley,Simone Gutt |
Publsiher | : Springer |
Total Pages | : 392 |
Release | : 1997-07-31 |
Genre | : Mathematics |
ISBN | : UOM:39015047132207 |
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Proceedings of the Ascona Meeting, June 1996
Deformation Theory of Algebras and Structures and Applications
Author | : Michiel Hazewinkel,Murray Gerstenhaber |
Publsiher | : Springer Science & Business Media |
Total Pages | : 1024 |
Release | : 2012-12-06 |
Genre | : Mathematics |
ISBN | : 9789400930575 |
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This volume is a result of a meeting which took place in June 1986 at 'll Ciocco" in Italy entitled 'Deformation theory of algebras and structures and applications'. It appears somewhat later than is perhaps desirable for a volume resulting from a summer school. In return it contains a good many results which were not yet available at the time of the meeting. In particular it is now abundantly clear that the Deformation theory of algebras is indeed central to the whole philosophy of deformations/perturbations/stability. This is one of the main results of the 254 page paper below (practically a book in itself) by Gerstenhaber and Shack entitled "Algebraic cohomology and defor mation theory". Two of the main philosphical-methodological pillars on which deformation theory rests are the fol lowing • (Pure) To study a highly complicated object, it is fruitful to study the ways in which it can arise as a limit of a family of simpler objects: "the unraveling of complicated structures" . • (Applied) If a mathematical model is to be applied to the real world there will usually be such things as coefficients which are imperfectly known. Thus it is important to know how the behaviour of a model changes as it is perturbed (deformed).
Deformations of Surface Singularities
Author | : Andras Némethi,Agnes Szilárd |
Publsiher | : Springer Science & Business Media |
Total Pages | : 283 |
Release | : 2014-01-24 |
Genre | : Mathematics |
ISBN | : 9783642391316 |
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The present publication contains a special collection of research and review articles on deformations of surface singularities, that put together serve as an introductory survey of results and methods of the theory, as well as open problems and examples. The aim is to collect material that will help mathematicians already working or wishing to work in this area to deepen their insight and eliminate the technical barriers in this learning process. Additionally, we introduce some material which emphasizes the newly found relationship with the theory of Stein fillings and symplectic geometry. This links two main theories of mathematics: low dimensional topology and algebraic geometry. The theory of normal surface singularities is a distinguished part of analytic or algebraic geometry with several important results, its own technical machinery, and several open problems. Recently several connections were established with low dimensional topology, symplectic geometry and theory of Stein fillings. This created an intense mathematical activity with spectacular bridges between the two areas. The theory of deformation of singularities is the key object in these connections.
Symplectic Geometry and Quantization
Author | : Yoshiaki Maeda,Hideki Omori,Alan Weinstein |
Publsiher | : American Mathematical Soc. |
Total Pages | : 285 |
Release | : 1994 |
Genre | : Mathematics |
ISBN | : 9780821803028 |
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This volume contains the refereed proceedings of two symposia on symplectic geometry and quantization problems which were held in Japan in July 1993. The purpose of the symposia was to discuss recent progress in a range of related topics in symplectic geometry and mathematical physics, including symplectic groupoids, geometric quantization, noncommutative differential geometry, equivariant cohomology, deformation quantization, topological quantum field theory, and knot invariants. The book provides insight into how these different topics relate to one another and offers intriguing new problems. Providing a look at the frontier of research in symplectic geometry and quantization, this book is suitable as a source book for a seminar in symplectic geometry.
Deformations of Algebraic Schemes
Author | : Edoardo Sernesi |
Publsiher | : Springer Science & Business Media |
Total Pages | : 343 |
Release | : 2007-04-20 |
Genre | : Mathematics |
ISBN | : 9783540306153 |
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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.
Deformation Spaces
Author | : Hossein Abbaspour,Matilde Marcolli,Thomas Tradler |
Publsiher | : Springer Science & Business Media |
Total Pages | : 173 |
Release | : 2010-04-21 |
Genre | : Mathematics |
ISBN | : 9783834896803 |
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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.
Noncommutative Deformation Theory
Author | : Eivind Eriksen,Olav Arnfinn Laudal,Arvid Siqveland |
Publsiher | : CRC Press |
Total Pages | : 242 |
Release | : 2017-09-19 |
Genre | : Mathematics |
ISBN | : 9781498796026 |
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Noncommutative Deformation Theory is aimed at mathematicians and physicists studying the local structure of moduli spaces in algebraic geometry. This book introduces a general theory of noncommutative deformations, with applications to the study of moduli spaces of representations of associative algebras and to quantum theory in physics. An essential part of this theory is the study of obstructions of liftings of representations using generalised (matric) Massey products. Suitable for researchers in algebraic geometry and mathematical physics interested in the workings of noncommutative algebraic geometry, it may also be useful for advanced graduate students in these fields.
Symplectic Geometry And Mirror Symmetry Proceedings Of The 4th Kias Annual International Conference
Author | : Kenji Fukaya,Yong Geun Oh,K Ono,Gang Tian |
Publsiher | : World Scientific |
Total Pages | : 510 |
Release | : 2001-11-19 |
Genre | : Mathematics |
ISBN | : 9789814490405 |
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In 1993, M Kontsevich proposed a conceptual framework for explaining the phenomenon of mirror symmetry. Mirror symmetry had been discovered by physicists in string theory as a duality between families of three-dimensional Calabi-Yau manifolds. Kontsevich's proposal uses Fukaya's construction of the A∞-category of Lagrangian submanifolds on the symplectic side and the derived category of coherent sheaves on the complex side. The theory of mirror symmetry was further enhanced by physicists in the language of D-branes and also by Strominger-Yau-Zaslow in the geometric set-up of (special) Lagrangian torus fibrations. It rapidly expanded its scope across from geometry, topology, algebra to physics.In this volume, leading experts in the field explore recent developments in relation to homological mirror symmetry, Floer theory, D-branes and Gromov-Witten invariants. Kontsevich-Soibelman describe their solution to the mirror conjecture on the abelian variety based on the deformation theory of A∞-categories, and Ohta describes recent work on the Lagrangian intersection Floer theory by Fukaya-Oh-Ohta-Ono which takes an important step towards a rigorous construction of the A∞-category. There follow a number of contributions on the homological mirror symmetry, D-branes and the Gromov-Witten invariants, e.g. Getzler shows how the Toda conjecture follows from recent work of Givental, Okounkov and Pandharipande. This volume provides a timely presentation of the important developments of recent years in this rapidly growing field.