Cosmology with Clusters: Sunyaev-Zel'dovich Effect

• S-Z physics: CMB upscattering
• observables
• data: present
• future use in cluster surveys: SZ Array

Gravitational Lensing and the Dark Universe

• lensing probes of galaxy dark halos
  cluster giant arcs; mass distribution
• weak lensing: theory
• weak lensing probes of large-scale structure
• the future: LSST

The Intergalactic Medium and Reionization

• IGM: Gunn-Peterson effect
• evidence for reionization; indications of when
• gas dynamics in the cosmic web