Milnor Fiber Boundary of a Non-isolated Surface Singularity

In the study of algebraic/analytic varieties a key aspect is the description of the invariants of their singularities. This book targets the challenging non-isolated case. Let f be a complex analytic hypersurface germ in three variables whose zero set has a 1-dimensional singular locus. We develop a...

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Détails bibliographiques
Auteurs principaux : Némethí András (Auteur), Szilárd Ágnes (Auteur)
Format : Livre
Langue : anglais
Titre complet : Milnor Fiber Boundary of a Non-isolated Surface Singularity / András Némethi, Ágnes Szilárd.
Édition : 1st ed. 2012.
Publié : Berlin, Heidelberg : Springer Berlin Heidelberg , [20..]
Cham : Springer Nature
Collection : Lecture notes in mathematics (Internet) ; 2037
Accès en ligne : Accès Nantes Université
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Contenu : 1 Introduction. 2 The topology of a hypersurface germ f in three variables Milnor fiber. 3 The topology of a pair (f ; g). 4 Plumbing graphs and oriented plumbed 3-manifolds. 5 Cyclic coverings of graphs. 6 The graph GC of a pair (f ; g). The definition. 7 The graph GC . Properties. 8 Examples. Homogeneous singularities. 9 Examples. Families associated with plane curve singularities. 10 The Main Algorithm. 11 Proof of the Main Algorithm. 12 The Collapsing Main Algorithm. 13 Vertical/horizontal monodromies. 14 The algebraic monodromy of H1( F). Starting point. 15 The ranks of H1( F) and H1( F nVg) via plumbing. 16 The characteristic polynomial of F via P# and P#. 18 The mixed Hodge structure of H1( F). 19 Homogeneous singularities. 20 Cylinders of plane curve singularities: f = f 0(x;y). 21 Germs f of type z f 0(x;y). 22 The T;; family. 23 Germs f of type f (xayb; z). Suspensions. 24 Peculiar structures on F. Topics for future research. 25 List of examples. 26 List of notations
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Documents associés : Autre format: Milnor fiber boundary of a non-isolated surface singularity
Autre format: Milnor Fiber Boundary of a Non-isolated Surface Singularity
Autre format: Milnor fiber boundary of a non-isolated surface singularity
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320 |a Bibliogr. Index 
327 1 |a 1 Introduction  |a 2 The topology of a hypersurface germ f in three variables Milnor fiber  |a 3 The topology of a pair (f ; g)  |a 4 Plumbing graphs and oriented plumbed 3-manifolds  |a 5 Cyclic coverings of graphs  |a 6 The graph GC of a pair (f ; g). The definition  |a 7 The graph GC . Properties  |a 8 Examples. Homogeneous singularities  |a 9 Examples. Families associated with plane curve singularities  |a 10 The Main Algorithm  |a 11 Proof of the Main Algorithm  |a 12 The Collapsing Main Algorithm  |a 13 Vertical/horizontal monodromies  |a 14 The algebraic monodromy of H1( F). Starting point  |a 15 The ranks of H1( F) and H1( F nVg) via plumbing  |a 16 The characteristic polynomial of F via P# and P#  |a 18 The mixed Hodge structure of H1( F)  |a 19 Homogeneous singularities  |a 20 Cylinders of plane curve singularities: f = f 0(x;y)  |a 21 Germs f of type z f 0(x;y)  |a 22 The T;; family  |a 23 Germs f of type f (xayb; z). Suspensions  |a 24 Peculiar structures on F. Topics for future research  |a 25 List of examples  |a 26 List of notations 
330 |a In the study of algebraic/analytic varieties a key aspect is the description of the invariants of their singularities. This book targets the challenging non-isolated case. Let f be a complex analytic hypersurface germ in three variables whose zero set has a 1-dimensional singular locus. We develop an explicit procedure and algorithm that describe the boundary M of the Milnor fiber of f as an oriented plumbed 3-manifold. This method also provides the characteristic polynomial of the algebraic monodromy. We then determine the multiplicity system of the open book decomposition of M cut out by the argument of g for any complex analytic germ g such that the pair (f,g) is an ICIS. Moreover, the horizontal and vertical monodromies of the transversal type singularities associated with the singular locus of f and of the ICIS (f,g) are also described. The theory is supported by a substantial amount of examples, including homogeneous and composed singularities and suspensions. The properties peculiar to M are also emphasized 
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