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Journal of the American Mathematical Society

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The inverse eigenvalue problem for real symmetric Toeplitz matrices


Author: H. J. Landau
Journal: J. Amer. Math. Soc. 7 (1994), 749-767
MSC: Primary 15A18; Secondary 15A21, 15A60, 47B35
DOI: https://doi.org/10.1090/S0894-0347-1994-1234570-6
MathSciNet review: 1234570
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Abstract: We show that every set of $ n$ real numbers is the set of eigenvalues of an $ n \times n$ real symmetric Toeplitz matrix; the matrix has a certain additional regularity. The argument--based on the topological degree--is nonconstructive.


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Additional Information

DOI: https://doi.org/10.1090/S0894-0347-1994-1234570-6
Keywords: Toeplitz matrices, inverse eigenvalue problem, regular Toeplitz matrix
Article copyright: © Copyright 1994 American Mathematical Society