3 search results - page 1 / 1 » Lifts, Discrepancy and Nearly Optimal Spectral Gap* |
COMBINATORICA
2006
13 years 4 months ago
2006
RSA
2010
13 years 3 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 ...
CORR
2008
Springer
13 years 4 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...