Computation of approximate polynomial GCDs and an extension
Information and Computation
Approximate multivariate polynomial factorization based on zero-sum relations
Proceedings of the 2001 international symposium on Symbolic and algebraic computation
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Mathematics of Computation
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ISSAC '04 Proceedings of the 2004 international symposium on Symbolic and algebraic computation
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ISSAC '04 Proceedings of the 2004 international symposium on Symbolic and algebraic computation
Approximate factorization of multivariate polynomials via differential equations
ISSAC '04 Proceedings of the 2004 international symposium on Symbolic and algebraic computation
The approximate GCD of inexact polynomials
ISSAC '04 Proceedings of the 2004 international symposium on Symbolic and algebraic computation
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Proceedings of the 2006 international symposium on Symbolic and algebraic computation
Towards more accurate separation bounds of empirical polynomials II
CASC'05 Proceedings of the 8th international conference on Computer Algebra in Scientific Computing
QR factoring to compute the GCD of univariate approximate polynomials
IEEE Transactions on Signal Processing
Proceedings of the 2011 International Workshop on Symbolic-Numeric Computation
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Ruppert and Sylvester matrices are very common for computing irreducible factors of bivariate polynomials and computing polynomial greatest common divisors, respectively. Since Ruppert matrix comes from Ruppert criterion for bivariate polynomial irreducibility testing and Sylvester matrix comes from the usual subresultant mapping, they are used for different purposes and their relations have not been focused yet. In this paper, we show some relations between Ruppert and Sylvester matrices as the usual subresultant mapping for computing (exact/approximate) polynomial GCDs, using Ruppert matrices.