Curve singularities with one Puiseux pair and value sets of modules over their local rings

Alberich-Carramiñana, Maria ; Almirón, Patricio (Universidad de Zaragoza) ; Moyano-Fernández, Julio-José

Resumen: In this paper we characterize the value set \Delta of the R-modules of the form R+zR for the local ring R associated to a germ \xi of an irreducible plane curve singularity with one Puiseux pair. In the particular case of the module of Kähler differentials attached to \xi, we recover some results of Delorme. From our characterization of \Delta we introduce a proper subset of semimodules over the value semigroup of the ring R. Moreover, we provide a combinatorial algorithm to construct all possible semimodules in this subset for a given value semigroup.

Idioma: Inglés

DOI: 10.1007/s10801-025-01382-x

Año: 2025

Publicado en: JOURNAL OF ALGEBRAIC COMBINATORICS 61, 20 (2025), [20 pp.]
ISSN: 0925-9899

Financiación: info:eu-repo/grantAgreement/ES/MICINN/PID2020-114750GB-C32/AEI/10.13039/501100011033
Financiación: info:eu-repo/grantAgreement/ES/MICINN/RYC2021-034300-I

Tipo y forma: Article (PostPrint)

Área (Departamento): Área Geometría y Topología (Dpto. Matemáticas)