Pisa offers a wide range of accommodation for visitors ranging from luxury hotels to B&B and even youth hostels. In recent years, these various options have been further increased thanks to the development of the airport (see below). We plan to provide some options on the conference website with a discount code; however, different kinds of accommodation can be also be found by searching on web-engines or on the official tourism portal, which offers an accommodation search service.
The University also has a residence with 44 ensuite rooms (single or double, some of which equipped with a kitchenette): http://it.residence.unipi.it/home_it/. There is a plan to expand this residence in the near future, which will make more rooms available.