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Splitting Deformations of Degenerations of Complex Curves [electronic resource] : Towards the Classification of Atoms of Degenerations, III / edited by Shigeru Takamura.

Contributor(s): Takamura, Shigeru [editor.] | SpringerLink (Online service).
Material type: TextTextSeries: Lecture Notes in Mathematics: 1886Publisher: Berlin, Heidelberg : Springer Berlin Heidelberg, 2006Description: XII, 594 p. 123 illus. online resource.Content type: text Media type: computer Carrier type: online resourceISBN: 9783540333647.Subject(s): Geometry, algebraic | Differential equations, partial | Algebra | Algebraic Geometry | Several Complex Variables and Analytic Spaces | AlgebraAdditional physical formats: Printed edition:: No title; Printed edition:: No titleDDC classification: 516.35 Online resources: Click here to access online
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.
In: Springer eBooksSummary: 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.
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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.

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.

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Splitting deformations of degenerations of complex curves by Takamura Shigeru
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