When do several linear operators share a
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V.Yu. Protasov
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Article
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2010
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Elsevier Science
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English
⚖ 170 KB
We establish a criterion for a finite family of matrices to possess a common invariant cone. The criterion reduces the problem of existence of an invariant cone to equality of two special numbers that depend on the family. In spite of theoretical simplicity, the practical use of the criterion may be