Search strategies for high-redshift galaxies
Red herrings: faint blue galaxies
Direct searches in the field: Lyman series
Lyman alpha emission and Lyman limit systems
Spectral energy distributions of high-redshift galaxies
Properties of Lyman break galaxies
Volume and time probed by Hubble deep fields
Number of peculiar galaxies rises with z
Redshift distribution of Lyman break galaxies (1997)
IR observations confirm peculiarity result
Dark matter in clusters: virial theorem
Hydrostatic equilibrium and Xray gas
More hot gas than galaxies; more dark matter than gas
Strong and weak lensing regimes
Strong and weak lensing illustrations
Derived cluster mass distributions
Summary of dark matter estimates for clusters