
arXiv: 0809.3131
Each matrix A in GL_n(Z) naturally defines an automorphism f of the free r-step nilpotent Lie algebra on n generators. We study the relationship between the matrix A and the eigenvalues and rational invariant subspaces for f. We give applications to the study of Anosov automorphisms.
39 pages
37D20, Rings and Algebras (math.RA), 22E25; 22D45; 37D20, FOS: Mathematics, 22E25, Mathematics - Rings and Algebras, 22D45, Dynamical Systems (math.DS), Mathematics - Dynamical Systems
37D20, Rings and Algebras (math.RA), 22E25; 22D45; 37D20, FOS: Mathematics, 22E25, Mathematics - Rings and Algebras, 22D45, Dynamical Systems (math.DS), Mathematics - Dynamical Systems
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