Abstract
The matrix A of a linear mapping α of a t-dimensional vector space relative to a basis, similarity classes, the characteristic polynomial χ A (x). The F[x]-modules M(α) and M(A). Isomorphic modules M(A) are determined by similar matrices A and conversely. Order of a module element. Submodules of M(A). Direct sum of square matrices. General decomposition of M(A).
Cyclic R-modules, the F-basis \(\mathcal{B}_{v_{0}}\) of the torsion F[x]-module 〈 v 0 〉, properties of companion matrices C(d(x)). Submodules and quotient modules of cyclic F[x]-modules. The Chinese remainder theorem for companion matrices, resultants.
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© 2012 Springer-Verlag London Limited
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Norman, C. (2012). F[x]-Modules: Similarity of t×t Matrices over a Field F . In: Finitely Generated Abelian Groups and Similarity of Matrices over a Field. Springer Undergraduate Mathematics Series. Springer, London. https://doi.org/10.1007/978-1-4471-2730-7_5
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DOI: https://doi.org/10.1007/978-1-4471-2730-7_5
Publisher Name: Springer, London
Print ISBN: 978-1-4471-2729-1
Online ISBN: 978-1-4471-2730-7
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