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Noncommutative Geometry and Cayley-smooth Orders

By (author) Lieven Le Bruyn
Format: Paperback / softback
Publisher: Taylor & Francis Ltd, United Kingdom
Imprint: Chapman & Hall/CRC
Published: 23rd Sep 2019
Dimensions: w 156mm h 234mm d 30mm
Weight: 1090g
ISBN-10: 0367388707
ISBN-13: 9780367388706
Barcode No: 9780367388706
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Synopsis
Noncommutative Geometry and Cayley-smooth Orders explains the theory of Cayley-smooth orders in central simple algebras over function fields of varieties. In particular, the book describes the etale local structure of such orders as well as their central singularities and finite dimensional representations. After an introduction to partial desingularizations of commutative singularities from noncommutative algebras, the book presents the invariant theoretic description of orders and their centers. It proceeds to introduce etale topology and its use in noncommutative algebra as well as to collect the necessary material on representations of quivers. The subsequent chapters explain the etale local structure of a Cayley-smooth order in a semisimple representation, classify the associated central singularity to smooth equivalence, describe the nullcone of these marked quiver representations, and relate them to the study of all isomorphism classes of n-dimensional representations of a Cayley-smooth order. The final chapters study Quillen-smooth algebras via their finite dimensional representations. Noncommutative Geometry and Cayley-smooth Orders provides a gentle introduction to one of mathematics' and physics' hottest topics.

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