Splitting deformations of degenerations of complex curves : towards the classification of atoms of degenerations, III
Author(s)
Bibliographic Information
Splitting deformations of degenerations of complex curves : towards the classification of atoms of degenerations, III
（Lecture notes in mathematics, 1886）
Springer, c2006
- : [pbk.]
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Library, Research Institute for Mathematical Sciences, Kyoto University数研
L/N||LNM||188606037655
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Note
Includes bibliographical references (p. [581]-586) and index
http://dx.doi.org/10.1007/978-3-540-33364-7
Description and Table of Contents
Description
Here is a deformation theory for degenerations of complex curves; specifically, discussing deformations which induce splitting of the singular fiber of a degeneration. The author constructs a deformation of the degeneration in such a way that a subdivisor is "barked," or peeled off from the singular fiber. "Barking deformations" are related to deformations of surface singularities, in particular, cyclic quotient singularities, as well as the mapping class groups of Riemann surfaces via monodromies.
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.
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