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    COMBINATORICS
    2006
    123views more  COMBINATORICS 2006»
    A Matrix Representation of Graphs and its Spectrum as a Graph Invariant
    14 years 11 months ago
    A Matrix Representation of Graphs and its Spectrum as a Graph Invariant
    Download  cs.anu.edu.au
    David Emms, Edwin R. Hancock, Simone Severini, Ric...
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    MONET
    2006
    107views more  MONET 2006»
    Utilization and fairness in spectrum assignment for opportunistic spectrum access
    14 years 11 months ago
    Utilization and fairness in spectrum assignment for opportunistic spectrum access
    Download  www.cs.ucsb.edu
    The Open Spectrum approach to spectrum access can achieve near-optimal utilization by allowing devices to sense and utilize available spectrum opportunistically. However, a naive d...
    Chunyi Peng, Haitao Zheng, Ben Y. Zhao
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    COMBINATORICS
    2007
    79views more  COMBINATORICS 2007»
    On the Spectrum of the Derangement Graph
    14 years 11 months ago
    On the Spectrum of the Derangement Graph
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    We derive several interesting formulae for the eigenvalues of the derangement graph and use them to settle affirmatively a conjecture of Ku regarding the least eigenvalue.
    Paul Renteln
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    RSA
    2010
    108views more  RSA 2010»
    Resolvent of large random graphs
    14 years 10 months ago
    Resolvent of large random graphs
    Download  www.di.ens.fr
    We analyze the convergence of the spectrum of large random graphs to the spectrum of a limit infinite graph. We apply these results to graphs converging locally to trees and deri...
    Charles Bordenave, Marc Lelarge
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    COMBINATORICS
    2007
    65views more  COMBINATORICS 2007»
    On Certain Integral Schreier Graphs of the Symmetric Group
    14 years 11 months ago
    On Certain Integral Schreier Graphs of the Symmetric Group
    Download  www.math.umass.edu
    We compute the spectrum of the Schreier graph of the symmetric group Sn corresponding to the Young subgroup S2 × Sn−2 and the generating set consisting of initial reversals. In ...
    Paul E. Gunnells, Richard A. Scott, Byron L. Walde...
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