Fields Institute http://www.fields.utoronto.ca/resources/proposals-and-applications
The Fields Institute solicits proposals for a variety of programs in areas of current research interest in the mathematical sciences. We currently host:
Major thematic programs (four or six months in length), and
Short thematic or focus programs (one to two months in length).
We are particularly interested in two-month summer programs of an interdisciplinary nature.
Application deadlines are March 15 and September 15 of each year