Superisolated singularities and friends

Superisolated surface singularities in $(\mathbb{C}^3,0)$ were introduced by I. Luengo to prove that the $\mu$-constant stratum may be singular. The main feature of this family is that it can bring information from the projective plane curves (global setting but smaller dimension) into surface singularities. They are simple enough to allow to retreive information and complicated enough to offer a variety of properties. The so-called L\^e-Yomdin singularities are a generalization which offers a wider catalog of examples. We study some properties of these singularities, mainly topological and related with the monodromy, and we introduce another family which exploits the same properties but in the quasi-homogeneous setting.

Publication Details

Journal
ArXiv.org
Published
2025-03-23
Primary Topic
Algebraic Geometry and Number Theory
Type
article
Field-Weighted Citation Impact
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article

Superisolated singularities and friends

ArXiv.org
Algebraic Geometry and Number Theory
article

Superisolated singularities and friends

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Abstract

Superisolated surface singularities in $(\mathbb{C}^3,0)$ were introduced by I. Luengo to prove that the $\mu$-constant stratum may be singular. The main feature of this family is that it can bring information from the projective plane curves (global setting but smaller dimension) into surface singularities. They are simple enough to allow to retreive information and complicated enough to offer a variety of properties. The so-called L\^e-Yomdin singularities are a generalization which offers a wider catalog of examples. We study some properties of these singularities, mainly topological and related with the monodromy, and we introduce another family which exploits the same properties but in the quasi-homogeneous setting.

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Algebraic Geometry and Number Theory
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Superisolated singularities and friends · ArXiv.org (2025) | TGRS Research Map | TGRS