@article{e2345c0af556456685cc15b399674935,
title = "Spectral methods and cluster structure in correlation-based networks",
keywords = "Stock market, complex network, correlation matrix, spectral analysis, Stock market, complex network, correlation matrix, spectral analysis, Stock market, complex network, correlation matrix, spectral analysis",
author = "Tapio Heimo and Gergely Tibely and Jari Saram{\"a}ki and Kimmo Kaski and Janos Kert{\'e}sz",
year = "2008",
language = "English",
volume = "387",
pages = "5930--5945",
journal = "Physica A: Statistical Mechanics and its Applications",
issn = "0378-4371",
publisher = "Elsevier",
number = "23",
}