Corpus ID: 214775203

Fundamentals of fractional revival in graphs.

  title={Fundamentals of fractional revival in graphs.},
  author={Ada Chan and Gabriel Coutinho and Whitney A. Drazen and Or Eisenberg and Chris D. Godsil and G'abor Lippner and Mark Kempton and Christino Tamon and Hanmeng Zhan},
  journal={arXiv: Combinatorics},
  • Ada Chan, Gabriel Coutinho, +6 authors Hanmeng Zhan
  • Published 2020
  • Mathematics, Physics
  • arXiv: Combinatorics
  • We develop a general spectral framework to analyze quantum fractional revival in quantum spin networks. In particular, we introduce generalizations of the notions of cospectral and strongly cospectral vertices to arbitrary subsets of vertices, and give various examples. This work resolves two open questions of Chan et.~al. ["Quantum Fractional Revival on graphs". Discrete Applied Math, 269:86-98, 2019.] 


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