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From the 1 of 5 linked papers with an AI index.

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20242026
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5 papers

math.AG2026

On Milnor and Tjurina numbers of Pairs of Holomorphic Functions Germs

Arturo Fernández-Pérez, Evelia R. García Barroso, Nancy Saravia-Molina

The paper defines a Tjurina number for pairs of holomorphic function germs using foliation theory, proves it is an analytic invariant, and provides formulas and properties includin…

math.CV2025

On some indices of foliations and applications

Arturo Fernández-Pérez, Evelia R. García Barroso, Nancy Saravia-Molina

In this paper we establish a relationship between the Milnor number, the -number, and the Tjurina number of a foliation with respect to an effective balanced divisor of separat…

math.CV2025

An upper bound for the GSV-index of a foliation

Arturo Fernández-Pérez, Evelia R. García Barroso, Nancy Saravia-Molina

Let be a holomorphic foliation at , and be a separatrix of . We prove the following Dimca-Greuel type inequality $3μ_p(\mathcal{F}…

math.CV2025

On Milnor and Tjurina numbers of foliations

Arturo Fernández-Pérez, Evelia R. García Barroso, Nancy Saravia-Molina

We study the relationship between the Milnor and Tjurina numbers of a singular foliation , in the complex plane, with respect to a balanced divisor of separatrices $\m…

math.CV2024

On a Mattei-Salem theorem

Arturo Fernández-Pérez, Nancy Saravia-Molina

We investigate the relationship between the valuations of a germ of a singular foliation on the complex plane and those of a balanced equation of separatrices for $\m…