[HTML][HTML] From approximate factorization to root isolation with application to cylindrical algebraic decomposition

K Mehlhorn, M Sagraloff, P Wang - Journal of Symbolic Computation, 2015 - Elsevier
We present an algorithm for isolating all roots of an arbitrary complex polynomial p that also
works in the presence of multiple roots provided that (1) the number of distinct roots is given …

[HTML][HTML] On the complexity of computing with planar algebraic curves

A Kobel, M Sagraloff - Journal of Complexity, 2015 - Elsevier
In this paper, we give improved bounds for the computational complexity of computing with
planar algebraic curves. More specifically, for arbitrary coprime polynomials f, g∈ Z [x, y] …

[HTML][HTML] Separating linear forms and rational univariate representations of bivariate systems

Y Bouzidi, S Lazard, M Pouget, F Rouillier - Journal of Symbolic …, 2015 - Elsevier
We address the problem of solving systems of bivariate polynomials with integer coefficients.
We first present an algorithm for computing a separating linear form of such systems, that is …

Exact symbolic–numeric computation of planar algebraic curves

E Berberich, P Emeliyanenko, A Kobel… - Theoretical Computer …, 2013 - Elsevier
We present a certified and complete algorithm to compute arrangements of real planar
algebraic curves. It computes the decomposition of the plane induced by a finite number of …

[HTML][HTML] Certified rational parametric approximation of real algebraic space curves with local generic position method

JS Cheng, K **, D Lazard - Journal of Symbolic Computation, 2013 - Elsevier
In this paper, an algorithm is given for determining the topology of an algebraic space curve
and to compute a certified G 1 rational parametric approximation of the algebraic space …

Measuring the local non-convexity of real algebraic curves

MŞ Sorea - Journal of Symbolic Computation, 2022 - Elsevier
The goal of this paper is to measure the non-convexity of compact and smooth connected
components of real algebraic plane curves. We study these curves first in a general setting …

Algorithm 976: Bertini_real: numerical decomposition of real algebraic curves and surfaces

DA Brake, DJ Bates, W Hao, JD Hauenstein… - ACM Transactions on …, 2017 - dl.acm.org
Bertini_real is a compiled command line program for numerically decomposing the real
portion of a positive-dimensional complex component of an algebraic set. The software uses …

Bounds for polynomials on algebraic numbers and application to curve topology

DN Diatta, S Diatta, F Rouillier, MF Roy… - Discrete & Computational …, 2022 - Springer
Abstract Let P∈ Z [X, Y] be a given square-free polynomial of total degree d with integer
coefficients of bitsize less than τ, and let VR (P):={(x, y)∈ R 2∣ P (x, y)= 0} be the real planar …

Discovering geometric inequalities: The concourse of geogebra discovery, dynamic coloring and maple tools

T Recio, R Losada, Z Kovács, C Ueno - Mathematics, 2021 - mdpi.com
Recently developed GeoGebra tools for the automated deduction and discovery of
geometric statements combine in a unique way computational (real and complex) algebraic …

Rational univariate representations of bivariate systems and applications

Y Bouzidi, S Lazard, M Pouget, F Rouillier - Proceedings of the 38th …, 2013 - dl.acm.org
We address the problem of solving systems of two bivariate polynomials of total degree at
most d with integer coefficients of maximum bitsize τ We suppose known a linear separating …