Topology & geometry, Ailsa Keating (Columbia University), "Homological Mirror Symmetry for singularities of type Tpqr"

We present some homological mirror symmetry statements for the singularities of type $T_{p,q,r}$. Loosely, these are one level of complexity up from so-called 'simple' singularities, of types A, D and E. We will consider some symplectic invariants of the real four-dimensional Milnor fibres of these singularities, and explain how they correspond to coherent sheaves on certain blow-ups of the projective space $\P^2$, as suggested notably by Gross-Hacking-Keel. We hope to emphasize how the relations between different ``flavours" of invariants (e.g., versions of the Fukaya category) match up on both sides.


Wed, 08/06/2016 - 11:00 to 12:45


Ross building, Hebrew University (Seminar Room 70A)