Equilibrium phase-space models have enabled much of what we know
about the structure of the Milky Way, including global or bulk
properties of Galactic dark matter. Kinematic data from the recent
second data release from the Gaia mission has shown...
In the 80s Pitts-Rubinstein conjectured that certain kinds of
Heegaard surfaces in three-manifolds can be isotoped to index 1
minimal surfaces. I'll describe in detail a proof of their
conjecture and some applications. This is joint work with...
