@article{Adm2019-10maxim-46998,
  year={2019},
  doi={10.1016/j.disc.2019.06.030},
  title={The maximum multiplicity of the largest k-th eigenvalue in a matrix whose graph is acyclic or unicyclic},
  number={10},
  volume={342},
  issn={0012-365X},
  journal={Discrete Mathematics},
  pages={2924--2950},
  author={Adm, Mohammad and Fallat, Shaun M.}
}

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    <dc:contributor>Adm, Mohammad</dc:contributor>
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    <dcterms:abstract xml:lang="eng">Given a graph G we are interested in studying the symmetric matrices associated to G with a fixed number of negative eigenvalues. For this class of matrices we focus on the maximum possible nullity. For trees this parameter has already been studied and plenty of applications are known. In this work we derive a formula for the maximum nullity and completely describe its behavior as a function of the number of negative eigenvalues. In addition, we also carefully describe the matrices associated with trees that attain this maximum nullity. The analysis is then extended to the more general class of unicyclic graphs. Further our work is applied to re-describing all possible partial inertias associated with trees, and is employed to study an instance of the inverse eigenvalue problem for certain trees.</dcterms:abstract>
    <dcterms:title>The maximum multiplicity of the largest k-th eigenvalue in a matrix whose graph is acyclic or unicyclic</dcterms:title>
    <dc:creator>Adm, Mohammad</dc:creator>
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    <dc:creator>Fallat, Shaun M.</dc:creator>
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    <dc:contributor>Fallat, Shaun M.</dc:contributor>
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