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## Delta symbols and the subconvexity problem

June 15 to June 19, 2020

at the

American Institute of Mathematics, San Jose, California

organized by

Roman Holowinsky, Paul Nelson, and Matthew Young

This workshop, sponsored by AIM and the NSF, will be devoted to the understanding of novel delta methods that have had applications to subconvexity problems in recent years. Notably, Munshi has produced subconvexity bounds for twists of $GL_3$ automorphic forms. Recent advances have found additional improvements and simplifications to Munshi's variations on the delta method, and there is much room for further developments in this area.

Goals for the workshop:

1. Understanding the scope and applicability of the new delta symbol techniques to new problems.
2. Understanding the fundamental mechanisms for success in the delta method; stripping away all but the truly essential characteristics.
3. Disseminating some of the new techniques in a user-friendly fashion.

This event will be run as an AIM-style workshop. Participants will be invited to suggest open problems and questions before the workshop begins, and these will be posted on the workshop website. These include specific problems on which there is hope of making some progress during the workshop, as well as more ambitious problems which may influence the future activity of the field. Lectures at the workshop will be focused on familiarizing the participants with the background material leading up to specific problems, and the schedule will include discussion and parallel working sessions.

Space and funding is available for a few more participants. If you would like to participate, please apply by filling out the on-line form no later than December 15, 2019. Applications are open to all, and we especially encourage women, underrepresented minorities, junior mathematicians, and researchers from primarily undergraduate institutions to apply.

Before submitting an application, please read the description of the AIM style of workshop.