**Date & Time:** Wednesday, January 29, 2014, 16:00-17:00.

**Venue:** Ramanujan Hall

**Speaker:** Anish Ghosh, TIFR Mumbai

**Title:** Effective Density of Lattice Orbits

**Abstract:** I will discuss the distribution of dense lattice orbits on homogeneous spaces of algebraic groups. The emphasis will be on examples, illustrating interesting connections with number theory and harmonic analysis. This is joint work with A. Gorodnik and A. Nevo.