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Abstract:

We prove that, if μ < ⌊n/2⌋, then every rational parametrization of degree n and class μ is a limit of parametrizations of the same degree and class μ + 1. This property was conjectured in Cox, D., Sederberg, T., Chen, F. [Cox, D., Sederberg, T., Chen, F. (1998b)] and its validity allows an explicit description of the variety of parametrizations of degree n and class μ, for all (n, μ).

Registro:

Documento: Artículo
Título:On the Structure of μ-Classes
Autor:D'Andrea, C.
Filiación:Departamento de Matemática, FCEyN, Universidad de Buenos Aires, Buenos Aires, Argentina
Departamento de Matemática, FCEyN, Ciudad Universitaria, Buenos Aires 1428, Argentina
Palabras clave:Parametrizations; Rational curves; μ-Bases
Año:2004
Volumen:32
Número:1
Página de inicio:159
Página de fin:165
DOI: http://dx.doi.org/10.1081/AGB-120027858
Título revista:Communications in Algebra
Título revista abreviado:Commun. Algebra
ISSN:00927872
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00927872_v32_n1_p159_DAndrea

Referencias:

  • Chen, F., Sederberg, T., A new implicit representation of a planar rational curve with high order singularity (2002) Comput. Aided Geom. Design, 19, pp. 151-167. , 9.2
  • Chen, F., Wang, W., (2002) The μ-Basis of a Planar Rational Curve- Properties Computation, , Preprint
  • Chen, F., Zheng, J., Sederberg, T., The μ-basis of a rational ruled surface (2001) Comput. Aided Geom. Design, 18 (1), pp. 61-72
  • Cox, D., Little, J., O'Shea, D., (1998) Using Algebraic Geometry, 185. , Graduate Texts in Mathematics. New York, Springer-Verlag
  • Cox, D., Sederberg, T., Chen, F., The moving line ideal basis of planar rational curves (1998) Comput. Aided Geom. Des., 15, pp. 803-827
  • Zheng, J., Sederberg, T., A direct approach to computing the μ- basis of planar rational curves (2001) J. Symbolic Comput., 31 (5), pp. 619-629

Citas:

---------- APA ----------
(2004) . On the Structure of μ-Classes. Communications in Algebra, 32(1), 159-165.
http://dx.doi.org/10.1081/AGB-120027858
---------- CHICAGO ----------
D'Andrea, C. "On the Structure of μ-Classes" . Communications in Algebra 32, no. 1 (2004) : 159-165.
http://dx.doi.org/10.1081/AGB-120027858
---------- MLA ----------
D'Andrea, C. "On the Structure of μ-Classes" . Communications in Algebra, vol. 32, no. 1, 2004, pp. 159-165.
http://dx.doi.org/10.1081/AGB-120027858
---------- VANCOUVER ----------
D'Andrea, C. On the Structure of μ-Classes. Commun. Algebra. 2004;32(1):159-165.
http://dx.doi.org/10.1081/AGB-120027858