The arrival day is Sunday, February 2. Earlier arrivals or later departures might be possible, subject to the availability of hotel rooms; please mention these in your registartion data.
The scientific program begins on Monday, February 3 and ends at lunchtime on Friday, February 7.
The talks take place at the conference center 5 minutes walk from the hotels.
By train: take a train to Aigle, then take a mountain train to Les Diablerets.
Swiss railways website
Map of the hotels (in pdf)
Most of the participants will stay at the Hotel Les Sources.
You can apply for financial support by mentioning it in the registration form.