@techreport{Alseidi2020Recog-50325,
  year={2020},
  series={Konstanzer Schriften in Mathematik},
  title={Recognition of Matrices Which are Sign-regular of a Given Order and a Generalization of Oscillatory Matrices},
  number={392},
  author={Alseidi, Rola and Garloff, Jürgen},
  note={Wird erscheinen in: Operator and Matrices ; 2020. - Element, Zagreb}
}

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    <dcterms:abstract xml:lang="eng">In this paper, rectangular matrices whose minors of a given order have the same strict sign are considered and sufficient conditions for their recognition are presented. The results are extended to matrices whose minors of a given order have the same sign or are allowed to vanish. A matrix is called oscillatory if all its minors are nonnegative and there exists a positive integer k such that A&lt;sup&gt;k&lt;/sup&gt; has all its minors positive. As a generalization, a new type of matrices, called oscillatory of a specific order, is introduced and some of their properties are investigated.</dcterms:abstract>
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    <dcterms:title>Recognition of Matrices Which are Sign-regular of a Given Order and a Generalization of Oscillatory Matrices</dcterms:title>
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