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A Study in Derived Algebraic Geometry

A Study in Derived Algebraic Geometry

Publisher American Mathematical Society
Year 01/09/2020
Edition First
Pages 436
Version paperback
Readership level Professional and scholarly
Language English
ISBN 9781470452858
Categories Algebra, Algebraic geometry
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502.00 PLN / €111.94 / £96.17
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Book description

Derived algebraic geometry is a far-reaching generalization of algebraic geometry. It has found numerous applications in other parts of mathematics, most prominently in representation theory. This volume develops deformation theory, Lie theory and the theory of algebroids in the context of derived algebraic geometry. To that end, it introduces the notion of inf-scheme, which is an infinitesimal deformation of a scheme and studies ind-coherent sheaves on such. As an application of the general theory, the six-functor formalism for D-modules in derived geometry is obtained. This volume consists of two parts. The first part introduces the notion of ind-scheme and extends the theory of ind-coherent sheaves to inf-schemes, obtaining the theory of D-modules as an application. The second part establishes the equivalence between formal Lie group(oids) and Lie algebr(oids) in the category of ind-coherent sheaves. This equivalence gives a vast generalization of the equivalence between Lie algebras and formal moduli problems. This theory is applied to study natural filtrations in formal derived geometry generalizing the Hodge filtration.

A Study in Derived Algebraic Geometry

Table of contents

Inf-schemes: Introduction
Deformation theory
Ind-schemes and inf-schemes
Ind-coherent sheaves on ind-inf-schemes
An application: Crystals
Formal geometry: Introduction
Formal moduli
Lie algebras and co-commutative co-algebras
Formal groups and Lie algebras
Lie algebroids
Infinitesimal differential geometry
Index of notations

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