Search Results - "SCHOST, ÉRIC"

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  1. 1

    An m-adic algorithm for bivariate Gröbner bases by Schost, Éric, St-Pierre, Catherine

    Published in Journal of symbolic computation (01-05-2025)
    “…Let A be a domain, with m⊆A a maximal ideal, and let F⊆A[x,y] be any finite generating set of an ideal with finitely many roots (in an algebraic closure of the…”
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  2. 2

    Newton iteration for lexicographic Gröbner bases in two variables by Schost, Éric, St-Pierre, Catherine

    Published in Journal of algebra (01-09-2024)
    “…We present an m-adic Newton iteration with quadratic convergence for lexicographic Gröbner basis of zero dimensional ideals in two variables. We rely on a…”
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  3. 3

    Bit complexity for computing one point in each connected component of a smooth real algebraic set by Elliott, Jesse, Giesbrecht, Mark, Schost, Éric

    Published in Journal of symbolic computation (01-05-2023)
    “…We analyze the bit complexity of an algorithm for the computation of at least one point in each connected component of a smooth real algebraic set. This work…”
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  4. 4

    On the evaluation of some sparse polynomials by Dorian Nogneng, Éric Schost

    Published in Mathematics of computation (01-03-2018)
    “…for various choices of coefficients p_i. First, we take p_i=p^i, for some fixed p; in this case, we address the question of fast evaluation at a given point in…”
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  5. 5

    Drinfeld modules with complex multiplication, Hasse invariants and factoring polynomials over finite fields by Doliskani, Javad, Narayanan, Anand Kumar, Schost, Éric

    Published in Journal of symbolic computation (01-07-2021)
    “…We present a novel randomized algorithm to factor polynomials over a finite field Fq of odd characteristic using rank 2 Drinfeld modules with complex…”
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  6. 6

    Genus 2 point counting over prime fields by Gaudry, Pierrick, Schost, Éric

    Published in Journal of symbolic computation (01-04-2012)
    “…For counting points of Jacobians of genus 2 curves over a large prime field, the best known approach is essentially an extension of Schoof’s genus 1 algorithm…”
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  7. 7

    Computing roadmaps in unbounded smooth real algebraic sets I: Connectivity results by Prébet, Rémi, Safey El Din, Mohab, Schost, Éric

    Published in Journal of symbolic computation (01-01-2024)
    “…Answering connectivity queries in real algebraic sets is a fundamental problem in effective real algebraic geometry that finds many applications in e.g…”
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  8. 8

    Subquadratic-Time Algorithms for Normal Bases by Giesbrecht, Mark, Jamshidpey, Armin, Schost, Éric

    Published in Computational complexity (01-06-2021)
    “…For any finite Galois field extension K/F, with Galois group G = Gal (K/F), there exists an element α ∈ K whose orbit G · α forms an F-basis of K. Such an α is…”
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  9. 9

    A softly optimal Monte Carlo algorithm for solving bivariate polynomial systems over the integers by Mehrabi, Esmaeil, Schost, Éric

    Published in Journal of Complexity (01-06-2016)
    “…We give an algorithm for the symbolic solution of polynomial systems in Z[X,Y]. Following previous work with Lebreton, we use a combination of lifting and…”
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  10. 10

    Computing minimal interpolation bases by Jeannerod, Claude-Pierre, Neiger, Vincent, Schost, Éric, Villard, Gilles

    Published in Journal of symbolic computation (01-11-2017)
    “…We consider the problem of computing univariate polynomial matrices over a field that represent minimal solution bases for a general interpolation problem,…”
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  11. 11

    A Quadratically Convergent Algorithm for Structured Low-Rank Approximation by Schost, Éric, Spaenlehauer, Pierre-Jean

    Published in Foundations of computational mathematics (01-04-2016)
    “…Structured Low-Rank Approximation is a problem arising in a wide range of applications in Numerical Analysis and Engineering Sciences. Given an input matrix M…”
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  12. 12

    Homotopy techniques for solving sparse column support determinantal polynomial systems by Labahn, George, Safey El Din, Mohab, Schost, Éric, Vu, Thi Xuan

    Published in Journal of Complexity (01-10-2021)
    “…Let K be a field of characteristic zero with K¯ its algebraic closure. Given a sequence of polynomials g=(g1,…,gs)∈K[x1,…,xn]s and a polynomial matrix…”
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  13. 13

    Taking roots over high extensions of finite fields by DOLISKANI, JAVAD, SCHOST, ÉRIC

    Published in Mathematics of computation (01-01-2014)
    “…We present a new algorithm for computing m \mathbb{F}_q, with p any positive integer. In the particular case m=2 O(\mathsf {M}(n)\log (p) + \mathsf {C}(n)\log…”
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  14. 14

    Computing critical points for invariant algebraic systems by Faugère, Jean-Charles, Labahn, George, Safey El Din, Mohab, Schost, Éric, Vu, Thi Xuan

    Published in Journal of symbolic computation (01-05-2023)
    “…Let K be a field and (f1,…,fs,ϕ) be multivariate polynomials in K[x1,…,xn] (with s<n) each invariant under the action of Sn, the group of permutations of…”
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  15. 15

    On the complexity of computing with zero-dimensional triangular sets by Poteaux, Adrien, Schost, Éric

    Published in Journal of symbolic computation (01-03-2013)
    “…We study the complexity of some fundamental operations for triangular sets in dimension zero. Using Las Vegas algorithms, we prove that one can perform such…”
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  16. 16

    Solving determinantal systems using homotopy techniques by Hauenstein, Jon D., Safey El Din, Mohab, Schost, Éric, Vu, Thi Xuan

    Published in Journal of symbolic computation (01-05-2021)
    “…Let K be a field of characteristic zero and let K‾ be an algebraic closure of K. Consider a sequence of polynomials G=(g1,…,gs) in K[X1,…,Xn] with s<n, a…”
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  17. 17

    On semiring complexity of Schur polynomials by Fomin, Sergey, Grigoriev, Dima, Nogneng, Dorian, Schost, Éric

    Published in Computational complexity (01-12-2018)
    “…Semiring complexity is the version of arithmetic circuit complexity that allows only two operations: addition and multiplication. We show that semiring…”
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  18. 18

    A simple and fast online power series multiplication and its analysis by Lebreton, Romain, Schost, Éric

    Published in Journal of symbolic computation (01-01-2016)
    “…This paper focuses on online (or relaxed) algorithms for the multiplication of power series over a field and their complexity analysis. We propose a new online…”
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  19. 19

    Interpolation of polynomials given by straight-line programs by Garg, Sanchit, Schost, Éric

    Published in Theoretical computer science (28-06-2009)
    “…We give an algorithm for the interpolation of a polynomial A given by a straight-line program. Its complexity is polynomial in τ , log ( d ) , L , n , where τ…”
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  20. 20

    Modular Composition Modulo Triangular Sets and Applications by Poteaux, Adrien, Schost, Éric

    Published in Computational complexity (01-09-2013)
    “…We generalize Kedlaya and Umans’ modular composition algorithm to the multivariate case. As a main application, we give fast algorithms for many operations…”
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