Browsing Exact and Earth Sciences by Subject "2-switch"

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    • Spectral ordering and 2-switch transformations 

      Oliveira, Elismar da Rosa; Schvöllner, Victor Nicolas; Trevisan, Vilmar (2022) [Journal article]
      We address the problem of ordering trees with the same degree sequence by their spectral radii. To achieve that, we consider 2-switch transformations which preserve the degree sequence and establish when the index decreases. ...