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C∞-Algebraic Geometry with Corners

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Release : 2023-12-31
Genre : Mathematics
Kind : eBook
Book Rating : 207/5 ( reviews)

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Book Synopsis C∞-Algebraic Geometry with Corners by : Kelli Francis-Staite

Download or read book C∞-Algebraic Geometry with Corners written by Kelli Francis-Staite. This book was released on 2023-12-31. Available in PDF, EPUB and Kindle. Book excerpt: Schemes in algebraic geometry can have singular points, whereas differential geometers typically focus on manifolds which are nonsingular. However, there is a class of schemes, 'C∞-schemes', which allow differential geometers to study a huge range of singular spaces, including 'infinitesimals' and infinite-dimensional spaces. These are applied in synthetic differential geometry, and derived differential geometry, the study of 'derived manifolds'. Differential geometers also study manifolds with corners. The cube is a 3-dimensional manifold with corners, with boundary the six square faces. This book introduces 'C∞-schemes with corners', singular spaces in differential geometry with good notions of boundary and corners. They can be used to define 'derived manifolds with corners' and 'derived orbifolds with corners'. These have applications to major areas of symplectic geometry involving moduli spaces of J-holomorphic curves. This work will be a welcome source of information and inspiration for graduate students and researchers working in differential or algebraic geometry.

C?-Algebraic Geometry with Corners

Download C?-Algebraic Geometry with Corners PDF Online Free

Author :
Release : 2023-12-31
Genre : Mathematics
Kind : eBook
Book Rating : 169/5 ( reviews)

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Book Synopsis C?-Algebraic Geometry with Corners by : Kelli Francis-Staite

Download or read book C?-Algebraic Geometry with Corners written by Kelli Francis-Staite. This book was released on 2023-12-31. Available in PDF, EPUB and Kindle. Book excerpt: Crossing the boundary between differential and algebraic geometry in order to study singular spaces, this book introduces 'C∞-schemes with corners'.

C-infinity Algebraic Geometry with Corners

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Author :
Release : 2019
Genre :
Kind : eBook
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Book Synopsis C-infinity Algebraic Geometry with Corners by : Kelli L. Francis-Staite

Download or read book C-infinity Algebraic Geometry with Corners written by Kelli L. Francis-Staite. This book was released on 2019. Available in PDF, EPUB and Kindle. Book excerpt:

C-infinity Algebraic Geometry with Corners

Download C-infinity Algebraic Geometry with Corners PDF Online Free

Author :
Release : 2019
Genre :
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis C-infinity Algebraic Geometry with Corners by : Kelli L. Francis-Staite

Download or read book C-infinity Algebraic Geometry with Corners written by Kelli L. Francis-Staite. This book was released on 2019. Available in PDF, EPUB and Kindle. Book excerpt:

Algebraic Geometry over C∞-Rings

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Release : 2019-09-05
Genre :
Kind : eBook
Book Rating : 450/5 ( reviews)

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Book Synopsis Algebraic Geometry over C∞-Rings by : Dominic Joyce

Download or read book Algebraic Geometry over C∞-Rings written by Dominic Joyce. This book was released on 2019-09-05. Available in PDF, EPUB and Kindle. Book excerpt: If X is a manifold then the R-algebra C∞(X) of smooth functions c:X→R is a C∞-ring. That is, for each smooth function f:Rn→R there is an n-fold operation Φf:C∞(X)n→C∞(X) acting by Φf:(c1,…,cn)↦f(c1,…,cn), and these operations Φf satisfy many natural identities. Thus, C∞(X) actually has a far richer structure than the obvious R-algebra structure. The author explains the foundations of a version of algebraic geometry in which rings or algebras are replaced by C∞-rings. As schemes are the basic objects in algebraic geometry, the new basic objects are C∞-schemes, a category of geometric objects which generalize manifolds and whose morphisms generalize smooth maps. The author also studies quasicoherent sheaves on C∞-schemes, and C∞-stacks, in particular Deligne-Mumford C∞-stacks, a 2-category of geometric objects generalizing orbifolds. Many of these ideas are not new: C∞-rings and C∞ -schemes have long been part of synthetic differential geometry. But the author develops them in new directions. In earlier publications, the author used these tools to define d-manifolds and d-orbifolds, “derived” versions of manifolds and orbifolds related to Spivak's “derived manifolds”.

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