8 Acknowledgements
We thank Joachim Wambsganss and Bernard Schutz for inviting us to
write the present review article. O.L. thanks members of the
2dFGRS team and the Leverhulme Quantitative Cosmology group for
helpful discussions. Y.S. thanks all his students and
collaborators for over many years, in particular Thomas Buchert,
Takashi Hamana, Chiaki Hikage, Yipeng Jing, Issha Kayo, Hiromitsu
Magira, Takahiko Matsubara, Hiroaki Nishioka, Jens Schmalzing,
Atsushi Taruya, Kazuhiro Yamamoto, and Kohji Yoshikawa among
others, for enjoyable and fruitful collaborations whose results
form indeed the important elements in this review. Y.S. is
also grateful for the hospitality at the Institute of Astronomy,
University of Cambridge, where the most of present review was put
together and written up for completion. O.L. acknowledges a
PPARC Senior Research Fellowship. We also thank Idit Zehavi for
permitting us to use Figure 28.
Numerical simulations were carried out at the
ADAC (Astronomical Data Analysis Center) of the National
Astronomical Observatory, Japan (project ID: mys02, yys08a). This
research was also supported in part by the Grants-in-Aid from
Monbu-Kagakusho and the Japan Society of Promotion of Science.