Paired 2-disjoint path covers of burnt pancake graphs with faulty elements (2024)

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  • Tomáš Dvořák Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic

    Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic

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  • Mei-Mei Gu Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic

    Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic

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Theoretical Computer ScienceVolume 986Issue CFeb 2024https://doi.org/10.1016/j.tcs.2023.114327

Published:17 April 2024Publication History

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Theoretical Computer Science

Volume 986, Issue C

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Paired 2-disjoint path covers of burnt pancake graphs with faulty elements (1)

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Abstract

Abstract

The burnt pancake graph B P n is the Cayley graph of the hyperoctahedral group using prefix reversals as generators. Let { u , v } and { x , y } be any two pairs of distinct vertices of B P n for n ≥ 4. We show that there are u − v and x − y paths whose vertices partition the vertex set of B P n even if B P n has up to n − 4 faulty elements. On the other hand, for every n ≥ 3 there is a set of n − 2 faulty edges or faulty vertices for which such a fault-free disjoint path cover does not exist.

References

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      Paired 2-disjoint path covers of burnt pancake graphs with faulty elements (25)

      Theoretical Computer Science Volume 986, Issue C

      Feb 2024

      139 pages

      ISSN:0304-3975

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          Publication History

          • Published: 17 April 2024

          Author Tags

          • Burnt pancake graphs
          • Disjoint path cover
          • Faulty elements
          • Hamiltonian path

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