Morphology of the large-scale structure

Details Morphology of the large-scale structure Morphology of the large-scale structure

2001-02-12

arxiv.org/abs/astro-ph/0102197v1

Progress in Astronomy 19 (2001) 32 (Suppl.)

Astronomy and Astrophysics

Astrophysics

Contribution to the proceedings of the 4th German-Chinese Joint Miniworkshop on Cosmology. 6 pages, 8 EPS figures, uses a Worl

Scientific paper

The Minkowski functionals are a mathematical tool to quantify morphological features of patterns. Some applications to the matter distribution in galaxy catalogues and N-body simulations are reviewed, with an emphasis on the effects of cosmic variance. The conclusions are that (i) the observed large-scale morphology is sensitive to cosmic variance on scales much larger than the nonlinear length (approx. 8 Mpc/h), and (ii) the large-scale morphology predicted by simulations is thus affected by finite-size effects, but nonetheless a Lambda-CDM model is favored.

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