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Conditions for determinantal formula for resultant of a polynomial system

Published: 09 July 2006 Publication History

Abstract

Matrices constructed from a parameterized multivariate polynomial system are analyzed to ensure that such a matrix contains a condition for the polynomial system to have common solutions irrespective of whether its parameters are specialized or not. Such matrices include resultant matrices constructed using well-known methods for computing resultants over projective, toric and affine varieties. Conditions on these matrices are identified under which the determinant of a maximal minor of such a matrix is a nontrivial multiple of the resultant over a given variety. This condition on matrices allows a generalization of a linear algebra construction, called rank submatrix, for extracting resultants from singular resultant matrices, as proposed by Kapur, Saxena and Yang in ISSAC'94. This construction has been found crucial for computing resultants of non-generic, specialized multivariate polynomial systems that arise in practical applications. The new condition makes the rank submatrix construction based on maximal minor more widely applicable by not requiring that the singular resultant matrix have a column independent of the remaining columns. Unlike perturbation methods, which require introducing a new variable, rank submatrix construction is faster and effective. Properties and conditions on symbolic matrices constructed from a polynomial system are discussed so that the resultant can be computed as a factor of the determinant of a maximal non-singular submatrix.

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Cited By

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  • (2017)Polynomial Time Interactive Proofs for Linear Algebra with Exponential Matrix Dimensions and Scalars Given by Polynomial Time CircuitsProceedings of the 2017 ACM International Symposium on Symbolic and Algebraic Computation10.1145/3087604.3087640(125-132)Online publication date: 23-Jul-2017
  • (2017)Computing the Dixon Resultant with the Maple Package DRApplications of Computer Algebra10.1007/978-3-319-56932-1_19(273-287)Online publication date: 27-Jul-2017
  • (2011)Multivariate Resultants in Bernstein BasisAutomated Deduction in Geometry10.1007/978-3-642-21046-4_4(60-85)Online publication date: 2011
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  1. Conditions for determinantal formula for resultant of a polynomial system

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    cover image ACM Conferences
    ISSAC '06: Proceedings of the 2006 international symposium on Symbolic and algebraic computation
    July 2006
    374 pages
    ISBN:1595932763
    DOI:10.1145/1145768
    • General Chair:
    • Barry Trager
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Publication History

    Published: 09 July 2006

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    Author Tags

    1. Bézoutian
    2. Dixon
    3. dialytic
    4. rank submatrix construction
    5. resultant
    6. resultant matrix

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    View all
    • (2017)Polynomial Time Interactive Proofs for Linear Algebra with Exponential Matrix Dimensions and Scalars Given by Polynomial Time CircuitsProceedings of the 2017 ACM International Symposium on Symbolic and Algebraic Computation10.1145/3087604.3087640(125-132)Online publication date: 23-Jul-2017
    • (2017)Computing the Dixon Resultant with the Maple Package DRApplications of Computer Algebra10.1007/978-3-319-56932-1_19(273-287)Online publication date: 27-Jul-2017
    • (2011)Multivariate Resultants in Bernstein BasisAutomated Deduction in Geometry10.1007/978-3-642-21046-4_4(60-85)Online publication date: 2011
    • (2008)Multivariate resultants in Bernstein basisProceedings of the 7th international conference on Automated deduction in geometry10.5555/2008257.2008262(60-85)Online publication date: 22-Sep-2008

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