Bound for the number of one-dimensional fibers of a projective morphism

JOURNAL OF ALGEBRA

卷:494

Article

Quang Hoa Tran^1,2 

[1] Hue Univ, Univ Educ, 34 Le Loi St, Hue City, Vietnam

[2] Univ Paris 06, Inst Math Jussieu, Boite 247,4 Pl Jussieu, F-75252 Paris 05, France

关键词: Fibers of morphism;    Implicitization;    Parameterization surfaces;    Elimination theory;    Approximation complex;    Geometric modeling;   

DOI  :  10.1016/j.jalgebra.2017.10.008

来源: Elsevier

【 摘 要 】

Given a parameterization phi : P-k(2) -> P-K(3) of an algebraic surface P subset of P-K(3), we bound the number of one-dimensional fibers of the canonical projection of the graph of onto its image. (C) 2017 Elsevier Inc. All rights reserved.

【 授权许可】

Free