Limits on Cosmology from Infrared Galaxy Number Counts
Roberto De Propris, Charles H. Lineweaver
Department of Astrophysics \& Optics, School of Physics
University of New South Wales, Sydney NSW2052 Australia

We analyze deep number counts in the $H$-band and compare them with the predictions of various cosmological models. Our data favor low density universes with $\Omega_M < 0.3$ and $\Omega_{\Lambda} < 0.5$ with galaxies forming early.