3 search results - page 1 / 1 » Lifts, Discrepancy and Nearly Optimal Spectral Gap* |
68
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COMBINATORICA
2006
14 years 10 months ago
2006
106
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RSA
2010
14 years 8 months ago
2010
We study here the spectra of random lifts of graphs. Let G be a finite connected graph, and let the infinite tree T be its universal cover space. If λ1 and ρ are the spectral ...
102
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CORR
2008
Springer
14 years 10 months ago
2008
Springer
Abstract--Cooperative transmission is an emerging communication technique that takes advantage of the broadcast nature of wireless channels. However, due to low spectral efficiency...