Zobrazeno 1 - 10
of 47
pro vyhledávání: '"SENDRA, J. R."'
A family of formal power series, such that its coefficients satisfy a recursion formula, is characterized in terms of the summability, in the sense of J. P. Ramis, of its elements along certain well chosen directions. We describe a set of ordinary di
Externí odkaz:
http://arxiv.org/abs/1603.00689
Given a rational projective parametrization $\cP(\ttt,\sss,\vvv)$ of a rational projective surface $\cS$ we present an algorithm such that, with the exception of a finite set (maybe empty) $\cB$ of projective base points of $\cP$, decomposes the proj
Externí odkaz:
http://arxiv.org/abs/1107.5262
Autor:
Segundo, F. San, Sendra, J. R.
Publikováno v:
Int. J. Algebra Comput. 22, 1250013 (2012)
We provide a resultant-based formula for the total degree w.r.t. the spatial variables of the generic offset to a parametric surface. The parametrization of the surface is not assumed to be proper.
Comment: Preprint of an article to be published
Comment: Preprint of an article to be published
Externí odkaz:
http://arxiv.org/abs/1004.2156
Autor:
Sendra, J. R., Sendra, J.
Publikováno v:
Applicable Algebra in Engineering, Communication and Computing, vol. 21 pp. 285-308 (2010)
We study the rationality of the components of the conchoid to an irreducible algebraic affine plane curve, excluding the trivial cases of the isotropic lines, of the lines through the focus and the circle centered at the focus and radius the distance
Externí odkaz:
http://arxiv.org/abs/0901.4652
Autor:
Alcazar, J. G., Sendra, J. R.
In a previous work of the authors, a result to algorithmically compute the topology types of the level curves of an algebraic surface, is given. From this result, here we derive applications based on level curves to determine some topological feature
Externí odkaz:
http://arxiv.org/abs/0710.3352
Autor:
Segundo, F. San, Sendra, J. R.
Publikováno v:
Journal of Symbolic Computation, Volume 44, Issue 6, June 2009, Pages 635_654
In this paper we present several formulae for computing the partial degrees of the defining polynomial of the offset curve to an irreducible affine plane curve given implicitly, and we see how these formulae particularize to the case of rational curv
Externí odkaz:
http://arxiv.org/abs/math/0609137
Publikováno v:
Mathematics of Computation, 2015 Jul 01. 84(294), 1991-2021.
Externí odkaz:
https://www.jstor.org/stable/24489185
Publikováno v:
Mathematics of Computation, 2010 Apr 01. 79(270), 1067-1089.
Externí odkaz:
https://www.jstor.org/stable/40590444
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