title: Random matrix theory analysis of cross correlations in financial markets.
authors.affiliation: Department of Physics, Tokyo Institute of Technology, Oh-okayama 2-12-1, Meguro-ku, Tokyo, 152-8551, Japan.
authors.forename: Akihiko
authors.initials: A
authors.lastname: Utsugi
authors.forename: Kazusumi
authors.initials: K
authors.lastname: Ino
authors.forename: Masaki
authors.initials: M
authors.lastname: Oshikawa