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Existence of a two-dimensional linear system with continual spectra of total and vector frequencies

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Abstract

We indicate a linear homogeneous two-dimensional differential system with continuous unbounded coefficients whose sets of exact total (vector) frequencies of signs, zeros, and roots of nonzero solutions fill one and the same closed interval.

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Correspondence to A. Kh. Stash.

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Original Russian Text © A.Kh. Stash, 2015, published in Differentsial’nye Uravneniya, 2015, Vol. 51, No. 1, pp. 143–144.

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Stash, A.K. Existence of a two-dimensional linear system with continual spectra of total and vector frequencies. Diff Equat 51, 146–148 (2015). https://doi.org/10.1134/S0012266115010164

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  • DOI: https://doi.org/10.1134/S0012266115010164

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