The Algebra and Number Theory program supports research in algebra, algebraic and arithmetic geometry, number theory, and representation theory. Conferences Principal Investigators should carefully read the program solicitation "Conferences and Workshops in the Mathematical Sciences" (link below) to obtain important information regarding the substance of proposals for conferences, workshops, summer/winter schools, and similar activities. Conference proposals for meetings with budget requests not exceeding $50,000 should be submitted six to twelve months in advance of the event. Conference proposals for meetings with budget requests exceeding $50,000 should be submitted nine to twelve months in advance of the event.