On the Log-Canonical Threshold for Germs of Plane Curves

dc.book.titleSingularities I: Algebraic and Analytic Aspects
dc.contributor.authorArtal Bartolo, Enrique
dc.contributor.authorCassou-Noguès, Pierrette
dc.contributor.authorLuengo Velasco, Ignacio
dc.contributor.authorMelle Hernández, Alejandro
dc.contributor.editorBrasselet, J.P.
dc.contributor.editorCisneros Molina, J.L.
dc.contributor.editorMassey, D.
dc.contributor.editorSeade, J.
dc.contributor.editorTeissier, B.
dc.date.accessioned2023-06-20T13:38:20Z
dc.date.available2023-06-20T13:38:20Z
dc.date.issued2008
dc.descriptionConference: International Conference on Geometry and Topology of Singularities Location: Cuernavaca, MEXICO Date: JAN 08-26, 2007-2008
dc.description.abstractIn this article we show that for a given, reduced or non reduced, germ of a complex plane curve, there exists a local system of coordinates such that its log-canonical threshold at the singularity can be explicitly computed from the intersection of the boundary of its Newton polygon in such coordinates (degenerated or not) with the diagonal line.
dc.description.departmentDepto. de Álgebra, Geometría y Topología
dc.description.facultyFac. de Ciencias Matemáticas
dc.description.refereedTRUE
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/16530
dc.identifier.doi10.1090/conm/474
dc.identifier.isbn978-0-8218-4458-8
dc.identifier.officialurlhttp://www.mat.ucm.es/~amelle/logcan-prep07-17.pdf
dc.identifier.urihttps://hdl.handle.net/20.500.14352/53144
dc.language.isoeng
dc.page.final14
dc.page.initial1
dc.page.total14
dc.publication.placeCuernavaca, México
dc.publisherAmerican Mathematical Society
dc.relation.projectIDMTM2007-67908-C02-01
dc.relation.projectIDMTM2007-67908-C02-02
dc.rights.accessRightsrestricted access
dc.subject.cdu512.7
dc.subject.keywordLog-canonical threshold
dc.subject.keywordEisenbud-Neumman diagrams
dc.subject.keywordtopological zeta function
dc.subject.ucmGeometria algebraica
dc.subject.unesco1201.01 Geometría Algebraica
dc.titleOn the Log-Canonical Threshold for Germs of Plane Curves
dc.typebook part
dc.volume.number474
dcterms.referencesM. Aprodu and D. Naie Log-canonical threshold for curves on a smooth surface, Preprint available at arXiv:math.AG/0707.0783. E. Artal-Bartolo, Pi. Cassou-Noguès, I. Luengo and A. Melle-Hernández, Quasiordinary singularities and their zeta functions, Memoirs of the Amer. Math. Soc. 178 (2005),no. 841. Pi. Cassou-Noguès, Algebraic Curves, Book in preparation. Pi. Cassou-Noguès, A. Libgober, Computations of polytopes of quasiadjunction, in preparation. J. Denef and F. Loeser, Caractéristiques d’Euler-Poincaré, fonctions zeta locales et modifications analytiques, J. Amer. Math. Soc. 5 (1992), no.4, 705-720. F. Ehlers and K. C. Luo, Minimal characteristic exponent of the Gauss-Manin connection of isolated singular point and Newton polyhedra, Math. Ann. 259 (1982), 431–441. D. Eisenbud and W. Neumann, Three-Dimensional Link Theory and Invariants of Plane Curve Singularities, Ann. of Math. Studies 110, Princeton University Press, (1985). J. Kollár, Singularities of pairs, Algebraic Geometry, Santa Cruz 1995, Proc. Sympos. Pure Math. 62 Amer. Math. Soc., Providence, RI, 1997. B. Lichtin, Poles of |f(z,w)|2s and roots of the b-function, Ark. Mat. 27 (1989), no. 2, 283–304. B. Malgrange, Polynôme de Bernstein-Sato et cohomologie évanescente, Analysis and topology on singular spaces, II, III (Luminy, 1981), Astérisque 101–102 (1983), 243–267. C. Reydy, Étude d’invariants des germs de courbes planes à l’aide des diagrammes de Newton, Thèse de Doctorat, Bourdeaux, 2002. M. Saito, Exponents and Newton polyhedra of isolated hypersurface singularities, Math. Ann. 281 (1988), 411–417. M. Saito, On Microlocal b-function, Bull. Soc. math. France 122 (1994),163–184. A.N. Varchenko, Asymptotic Hodge structure in the vanishing cohomology, Math. USSR Izvestija 18 (1982), 469–512. W. Veys, Determination of the poles of the topological zeta function for curves, Manuscripta Math. 87 (1995), 435–448. W. Veys, Zeta functions for curves and log-canonical models, Proc. London Math. Soc. 74 (1997), 360–378. T. Yano, b-functions and exponents of hypersurface isolated singularities. Singularities, Part 2 (Arcata, Calif., 1981), 641–652, Proc. Sympos. Pure Math., 40, Amer. Math. Soc., Providence, RI, 1983.
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