Computing real roots of real polynomials... and now for real!
A Kobel, F Rouillier, M Sagraloff - Proceedings of the ACM on …, 2016 - dl.acm.org
Very recent work introduces an asymptotically fast subdivision algorithm, denoted ANewDsc,
for isolating the real roots of a univariate real polynomial. The method combines Descartes …
for isolating the real roots of a univariate real polynomial. The method combines Descartes …
[HTML][HTML] Computing real roots of real polynomials
M Sagraloff, K Mehlhorn - Journal of Symbolic Computation, 2016 - Elsevier
Computing the roots of a univariate polynomial is a fundamental and long-studied problem
of computational algebra with applications in mathematics, engineering, computer science …
of computational algebra with applications in mathematics, engineering, computer science …
[HTML][HTML] A near-optimal subdivision algorithm for complex root isolation based on the Pellet test and Newton iteration
We describe a subdivision algorithm for isolating the complex roots of a polynomial F∈ C [x].
Given an oracle that provides approximations of each of the coefficients of F to any absolute …
Given an oracle that provides approximations of each of the coefficients of F to any absolute …
[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 …
works in the presence of multiple roots provided that (1) the number of distinct roots is given …
Complexity analysis of root clustering for a complex polynomial
R Becker, M Sagraloff, V Sharma, J Xu… - Proceedings of the ACM …, 2016 - dl.acm.org
Let F (z) be an arbitrary complex polynomial. We introduce the {local root clustering
problem}, to compute a set of natural epsilon-clusters of roots of F (z) in some box region B0 …
problem}, to compute a set of natural epsilon-clusters of roots of F (z) in some box region B0 …
When Newton meets Descartes: A simple and fast algorithm to isolate the real roots of a polynomial
M Sagraloff - Proceedings of the 37th International Symposium on …, 2012 - dl.acm.org
We introduce a novel algorithm denoted NewDsc to isolate the real roots of a univariate
square-free polynomial f with integer coefficients. The algorithm iteratively subdivides an …
square-free polynomial f with integer coefficients. The algorithm iteratively subdivides an …
[HTML][HTML] Solving bivariate systems using rational univariate representations
Y Bouzidi, S Lazard, G Moroz, M Pouget, F Rouillier… - Journal of …, 2016 - Elsevier
Given two coprime polynomials P and Q in Z [x, y] of degree bounded by d and bitsize
bounded by τ, we address the problem of solving the system {P, Q}. We are interested in …
bounded by τ, we address the problem of solving the system {P, Q}. We are interested in …
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 …
algebraic curves. It computes the decomposition of the plane induced by a finite number of …
On soft predicates in subdivision motion planning
We propose to design new algorithms for motion planning problems using the well-known
Domain Subdivision paradigm, coupled with" soft" predicates. Unlike the traditional exact …
Domain Subdivision paradigm, coupled with" soft" predicates. Unlike the traditional exact …
On the complexity of solving a bivariate polynomial system
P Emeliyanenko, M Sagraloff - … of the 37th International Symposium on …, 2012 - dl.acm.org
We study the complexity of computing the real solutions of a bivariate polynomial system
using the recently presented algorithm Bisolve [2]. Bisolve is an elimination method which, in …
using the recently presented algorithm Bisolve [2]. Bisolve is an elimination method which, in …