Abstract
The last chapter contains applications of linear algebra techniques to the problem of solving zero-dimensional polynomial systems over a field \(K\). If we are mainly interested in \(K\)-rational solutions, we can use an algorithm to find all 1-dimensional joint eigenspaces of the multiplication family: the eigenvalue method, or the eigenvector method. In general, if the base field \(K\) is finite, we can still obtain good results by using the techniques of cloning, univariate representations, and recursion. However, over the rational numbers, the technique of cloning leads to the hard problem of splitting polynomials over number fields, and it is here that the applications, as well as the book, come to their natural conclusion.
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Kreuzer, M., Robbiano, L. (2016). Solving Zero-Dimensional Polynomial Systems. In: Computational Linear and Commutative Algebra. Springer, Cham. https://doi.org/10.1007/978-3-319-43601-2_6
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DOI: https://doi.org/10.1007/978-3-319-43601-2_6
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