Overview

The author develops a deformation theory for degenerations of complex curves; specifically, he treats deformations which induce splittings of the singular fiber of a degeneration. He constructs a deformation of the degeneration in such a way that a subdivisor is ""barked"" (peeled) off from the singular fiber. These ""barking deformations"" are related to deformations of surface singularities (in particular, cyclic quotient singularities) as well as the mapping class groups of Riemann surfaces (complex curves) via monodromies. Important applications, such as the classification of atomic degenerations, are also explained.

Full Product Details

Author:   Shigeru Takamura
Publisher:   Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
Imprint:   Springer-Verlag Berlin and Heidelberg GmbH & Co. K
Edition:   2006 ed.
Volume:   1886
Dimensions:   Width: 15.50cm , Height: 3.10cm , Length: 23.50cm
Weight:   1.870kg
ISBN:  

9783540333630

ISBN 10:   3540333630
Pages:   594
Publication Date:   26 July 2006
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   In Print  
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Table of Contents

Basic Notions and Ideas.- Splitting Deformations of Degenerations.- What is a barking?.- Semi-Local Barking Deformations: Ideas and Examples.- Global Barking Deformations: Ideas and Examples.- Deformations of Tubular Neighborhoods of Branches.- Deformations of Tubular Neighborhoods of Branches (Preparation).- Construction of Deformations by Tame Subbranches.- Construction of Deformations of type Al.- Construction of Deformations by Wild Subbranches.- Subbranches of Types Al, Bl, Cl.- Construction of Deformations of Type Bl.- Construction of Deformations of Type Cl.- Recursive Construction of Deformations of Type Cl.- Types Al, Bl, and Cl Exhaust all Cases.- Construction of Deformations by Bunches of Subbranches.- Barking Deformations of Degenerations.- Construction of Barking Deformations (Stellar Case).- Simple Crusts (Stellar Case).- Compound barking (Stellar Case).- Deformations of Tubular Neighborhoods of Trunks.- Construction of Barking Deformations (Constellar Case).- Further Examples.- Singularities of Subordinate Fibers near Cores.- Singularities of Fibers around Cores.- Arrangement Functions and Singularities, I.- Arrangement Functions and Singularities, II.- Supplement.- Classification of Atoms of Genus ? 5.- Classification Theorem.- List of Weighted Crustal Sets for Singular Fibers of Genus ? 5.

Reviews

From the reviews: <p> This is a 590 pages book on deformation theory, using mostly topological methods, but also a ~translateda (TM) to algebraic geometry and using algebraic methods. a ] It is a nice level and should be possible to read. Most commonly, algebraic geometers translate from differential geometry to solve problems. In this book the concept is vice versa: Algebraic methods are used to solve topological problems. Thus this book may at the first glance look elementary for an algebraist, but it is not. (Arvid Siqveland, Zentralblatt MATH, Vol. 1100 (2), 2007)

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