Relative Nonhomogeneous Koszul Duality PDF Download
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Author | : Leonid Positselski |
Publisher | : Springer Nature |
Total Pages | : 303 |
Release | : 2022-02-10 |
Genre | : Mathematics |
ISBN | : 3030895408 |
Download Relative Nonhomogeneous Koszul Duality Book in PDF, ePub and Kindle
This research monograph develops the theory of relative nonhomogeneous Koszul duality. Koszul duality is a fundamental phenomenon in homological algebra and related areas of mathematics, such as algebraic topology, algebraic geometry, and representation theory. Koszul duality is a popular subject of contemporary research. This book, written by one of the world's leading experts in the area, includes the homogeneous and nonhomogeneous quadratic duality theory over a nonsemisimple, noncommutative base ring, the Poincare–Birkhoff–Witt theorem generalized to this context, and triangulated equivalences between suitable exotic derived categories of modules, curved DG comodules, and curved DG contramodules. The thematic example, meaning the classical duality between the ring of differential operators and the de Rham DG algebra of differential forms, involves some of the most important objects of study in the contemporary algebraic and differential geometry. For the first time in the history of Koszul duality the derived D-\Omega duality is included into a general framework. Examples highly relevant for algebraic and differential geometry are discussed in detail.
Author | : Leonid Positselski |
Publisher | : Springer Science & Business Media |
Total Pages | : 364 |
Release | : 2010-09-02 |
Genre | : Mathematics |
ISBN | : 303460436X |
Download Homological Algebra of Semimodules and Semicontramodules Book in PDF, ePub and Kindle
This book provides comprehensive coverage on semi-infinite homology and cohomology of associative algebraic structures. It features rich representation-theoretic and algebro-geometric examples and applications.
Author | : Leonid Positselski |
Publisher | : American Mathematical Soc. |
Total Pages | : 146 |
Release | : 2011 |
Genre | : Mathematics |
ISBN | : 0821852965 |
Download Two Kinds of Derived Categories, Koszul Duality, and Comodule-Contramodule Correspondence Book in PDF, ePub and Kindle
"July 2011, volume 212, number 996 (first of 4 numbers)."
Author | : Leonid Positselski |
Publisher | : Springer Nature |
Total Pages | : 225 |
Release | : 2023-10-16 |
Genre | : Mathematics |
ISBN | : 3031379055 |
Download Semi-Infinite Algebraic Geometry of Quasi-Coherent Sheaves on Ind-Schemes Book in PDF, ePub and Kindle
Semi-Infinite Geometry is a theory of "doubly infinite-dimensional" geometric or topological objects. In this book the author explains what should be meant by an algebraic variety of semi-infinite nature. Then he applies the framework of semiderived categories, suggested in his previous monograph titled Homological Algebra of Semimodules and Semicontramodules, (Birkhäuser, 2010), to the study of semi-infinite algebraic varieties. Quasi-coherent torsion sheaves and flat pro-quasi-coherent pro-sheaves on ind-schemes are discussed at length in this book, making it suitable for use as an introduction to the theory of quasi-coherent sheaves on ind-schemes. The main output of the homological theory developed in this monograph is the functor of semitensor product on the semiderived category of quasi-coherent torsion sheaves, endowing the semiderived category with the structure of a tensor triangulated category. The author offers two equivalent constructions of the semitensor product, as well as its particular case, the cotensor product, and shows that they enjoy good invariance properties. Several geometric examples are discussed in detail in the book, including the cotangent bundle to an infinite-dimensional projective space, the universal fibration of quadratic cones, and the important popular example of the loop group of an affine algebraic group.
Author | : Daniel S. Freed |
Publisher | : American Mathematical Soc. |
Total Pages | : 186 |
Release | : 2019-08-23 |
Genre | : Algebraic topology |
ISBN | : 1470452065 |
Download Lectures on Field Theory and Topology Book in PDF, ePub and Kindle
These lectures recount an application of stable homotopy theory to a concrete problem in low energy physics: the classification of special phases of matter. While the joint work of the author and Michael Hopkins is a focal point, a general geometric frame of reference on quantum field theory is emphasized. Early lectures describe the geometric axiom systems introduced by Graeme Segal and Michael Atiyah in the late 1980s, as well as subsequent extensions. This material provides an entry point for mathematicians to delve into quantum field theory. Classification theorems in low dimensions are proved to illustrate the framework. The later lectures turn to more specialized topics in field theory, including the relationship between invertible field theories and stable homotopy theory, extended unitarity, anomalies, and relativistic free fermion systems. The accompanying mathematical explanations touch upon (higher) category theory, duals to the sphere spectrum, equivariant spectra, differential cohomology, and Dirac operators. The outcome of computations made using the Adams spectral sequence is presented and compared to results in the condensed matter literature obtained by very different means. The general perspectives and specific applications fuse into a compelling story at the interface of contemporary mathematics and theoretical physics.
Author | : Grigoriy Blekherman |
Publisher | : SIAM |
Total Pages | : 487 |
Release | : 2013-03-21 |
Genre | : Mathematics |
ISBN | : 1611972280 |
Download Semidefinite Optimization and Convex Algebraic Geometry Book in PDF, ePub and Kindle
An accessible introduction to convex algebraic geometry and semidefinite optimization. For graduate students and researchers in mathematics and computer science.
Author | : Israel M. Gelfand |
Publisher | : Springer Science & Business Media |
Total Pages | : 529 |
Release | : 2009-05-21 |
Genre | : Mathematics |
ISBN | : 0817647716 |
Download Discriminants, Resultants, and Multidimensional Determinants Book in PDF, ePub and Kindle
"This book revives and vastly expands the classical theory of resultants and discriminants. Most of the main new results of the book have been published earlier in more than a dozen joint papers of the authors. The book nicely complements these original papers with many examples illustrating both old and new results of the theory."—Mathematical Reviews
Author | : Eric Peterson |
Publisher | : Cambridge University Press |
Total Pages | : 421 |
Release | : 2019 |
Genre | : Mathematics |
ISBN | : 1108428037 |
Download Formal Geometry and Bordism Operations Book in PDF, ePub and Kindle
Delivers a broad, conceptual introduction to chromatic homotopy theory, focusing on contact with arithmetic and algebraic geometry.
Author | : |
Publisher | : |
Total Pages | : 1052 |
Release | : 2006 |
Genre | : Mathematics |
ISBN | : |
Download Mathematical Reviews Book in PDF, ePub and Kindle
Author | : Sebastien Boucksom |
Publisher | : Springer |
Total Pages | : 342 |
Release | : 2013-10-02 |
Genre | : Mathematics |
ISBN | : 3319008196 |
Download An Introduction to the Kähler-Ricci Flow Book in PDF, ePub and Kindle
This volume collects lecture notes from courses offered at several conferences and workshops, and provides the first exposition in book form of the basic theory of the Kähler-Ricci flow and its current state-of-the-art. While several excellent books on Kähler-Einstein geometry are available, there have been no such works on the Kähler-Ricci flow. The book will serve as a valuable resource for graduate students and researchers in complex differential geometry, complex algebraic geometry and Riemannian geometry, and will hopefully foster further developments in this fascinating area of research. The Ricci flow was first introduced by R. Hamilton in the early 1980s, and is central in G. Perelman’s celebrated proof of the Poincaré conjecture. When specialized for Kähler manifolds, it becomes the Kähler-Ricci flow, and reduces to a scalar PDE (parabolic complex Monge-Ampère equation). As a spin-off of his breakthrough, G. Perelman proved the convergence of the Kähler-Ricci flow on Kähler-Einstein manifolds of positive scalar curvature (Fano manifolds). Shortly after, G. Tian and J. Song discovered a complex analogue of Perelman’s ideas: the Kähler-Ricci flow is a metric embodiment of the Minimal Model Program of the underlying manifold, and flips and divisorial contractions assume the role of Perelman’s surgeries.